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Topic Renewable energy technologies

 

Metal Pillared Bentonite Synthesis and its Characteristics Using X-Ray Diffraction
Sisnayati Sisnayati, Muhammad Said, Nabila Aprianti, Ria Komala, Hendra Dwipayana, Muhammad Faizal
J. Ecol. Eng. 2022; 23(12):68-74
DOI: https://doi.org/10.12911/22998993/155081
 

The Impact of Alkali Pretreatment and Organic Solvent Pretreatment on Biogas Production from Anaerobic Digestion of Food Waste
Lukhi Mulia Shitophyta, Syaeful Akbar Padya, Ahmad Fatwa Zufar, Novia Rahmawati
J. Ecol. Eng. 2022; 23(12):179-188
DOI: https://doi.org/10.12911/22998993/155022
 

Climate Change and its Effect on the Energy Production from Renewable Sources – A Case Study in Mediterranean Region
Eralda Gjika, Lule Basha, Arnisa Sokoli
J. Ecol. Eng. 2022; 23(12):285-298
DOI: https://doi.org/10.12911/22998993/154062
 

Characterization Sludge from Drying Area and Sludge Drying Bed in Sludge Treatment Plant Surabaya City for Waste to Energy Approach
Iva Yenis Septiariva, I Wayan Koko Suryawan, Nurulbaiti Listyendah Zahra, Yika Nabila Kharisma Putri, Ariyanti Sarwono, Fatimah Dinan Qonitan, Jun Wei Lim
J. Ecol. Eng. 2022; 23(7):268-275
DOI: https://doi.org/10.12911/22998993/150061
 

Efficiency Analysis of the Generation of Energy in a Biogas CHP System and its Management in a Waste Landfill – Case Study
Józef Ciuła, Agnieszka Generowicz, Krzysztof Gaska, Anna Gronba-Chyła
J. Ecol. Eng. 2022; 23(7):143-156
DOI: https://doi.org/10.12911/22998993/149609
 

Water Lettuce (Pistia stratiotes L.) as a Potential Material for Biogas Production
Nguyen Van Cong, Tran Van Thanh, Le Thi Mong Kha, Nguyen Xuan Hoang
J. Ecol. Eng. 2022; 23(6):182-188
DOI: https://doi.org/10.12911/22998993/148197
 

Biodiesel Production of Palm Oil Mill Effluent by Using Hydrotalcite Catalyst
Tuty Emilia Agustina, Eddy Heraldy, Fitri Hadiah, Hasanudin Hasanudin, Susila Arita, Tirto Prakoso, Tuti Indah Sari, Bhakti Yudho Suprapto, Muhammad Firdaus Kusuma Putra, Dimas Luthfi Ramadhani
J. Ecol. Eng. 2022; 23(6):172-181
DOI: https://doi.org/10.12911/22998993/148153
 

Cerium-Promoted Nickel / Alumina Catalyst for Producer Gas Reforming and Tar Conversion
Salah H. Aljbour, Katsuya Kawamoto
J. Ecol. Eng. 2022; 23(6):58-66
DOI: https://doi.org/10.12911/22998993/147836
 

Anaerobic Co-Digestion of Sewage Sludge and Waste in High Solid State
Ahmed M. Aboulfotoh, Ahmed I. Marie, Rehab El-hefny
J. Ecol. Eng. 2022; 23(6):1-13
DOI: https://doi.org/10.12911/22998993/147835
 

Biomethanation Potential and Enhancement of Acacia Leaves Waste Via Pretreatment and Co-Digestion Strategy
Supachai Hirunsupachote, Pratin Kullavanijaya, Orathai Chavalparit
J. Ecol. Eng. 2022; 23(5):237-250
DOI: https://doi.org/10.12911/22998993/147405
 

Solar Hot Water Heating and Electricity Generation Using PV/T Hybrid System
Ali A. Badran, Firas A. Obeidat
J. Ecol. Eng. 2022; 23(5):196-206
DOI: https://doi.org/10.12911/22998993/146783
 

Performance Enhancement of a Photovoltaic Module by Passive Cooling Using Water-Based Aluminum Oxide Nano-Fluid
Mohammad Ahmad Hamdan
J. Ecol. Eng. 2022; 23(4):276-286
DOI: https://doi.org/10.12911/22998993/146675
 

Microbiological Activity of Soil Under the Influence of Post–Harvest Siderates
Yurii Mishchenko, Ihor Kovalenko, Andrii Butenko, Yuriy Danko, Volodymyr Trotsenko, Ihor Masyk, Mykola Radchenko, Zoya Hlupak, Andrii Stavytskyi
J. Ecol. Eng. 2022; 23(4):122-127
DOI: https://doi.org/10.12911/22998993/146612
 

Municipal Solid Waste to Energy: Palletization of Paper and Garden Waste into Refuse Derived Fuel
I Wayan Koko Suryawan, Iva Yenis Septiariva, Eva Nur Fauziah, Bimastiyaji Surya Ramadan, Fatimah Dinan Qonitan, Nurulbaiti Listyendah Zahra, Ariyanti Sarwono, Mega Mutiara Sari, Kuntum Khoiro Ummatin, Lim Jun Wei
J. Ecol. Eng. 2022; 23(4):64-74
DOI: https://doi.org/10.12911/22998993/146333
 

Recent Challenges of Biogas Production and its Conversion to Electrical Energy
Siti Noor Khaleeda Mhd Syahri, Hassimi Abu Hasan, Siti Rozaimah Sheikh Abdullah, Ahmad Razi Othman, Peer Mohamed Abdul, Raja Farzarul Hanim Raja Azmy, Mohd Hafizuddin Muhamad
J. Ecol. Eng. 2022; 23(3):251-269
DOI: https://doi.org/10.12911/22998993/146132
 

LandGEM Biogas Estimation, Energy Potential and Carbon Footprint Assessments of a Controlled Landfill Site. Case of the Controlled Landfill of Mohammedia-Benslimane, Morocco
Ahlam Idrissi Oukili, Meriyem Mouloudi, Mostafa Chhiba
J. Ecol. Eng. 2022; 23(3):116-129
DOI: https://doi.org/10.12911/22998993/145410
 

Adoption of Modern Hydrogen Technologies in Rail Transport
Dawid Gallas, Paweł Stobnicki
J. Ecol. Eng. 2022; 23(3):84-91
DOI: https://doi.org/10.12911/22998993/145291
 

Physical Characteristics of Aceh Traditional Salt and Its Potential as Raw Material for Thermal Energy Storage
Gunawati Gunawati, Syahrul Humaidi, Adi Setiawan, Makmur Sirait, Zulkarnain Jalil, Nadila Ramadhani, Amar Makruf, Shafira Riskina, Irhamni Irhamni
J. Ecol. Eng. 2022; 23(2):116-122
DOI: https://doi.org/10.12911/22998993/144418
 

Influence of Gold Nanoparticles on the Photocatalytic Action of Titanium Dioxide in Physical-Chemical Parameters of Greywater
Hipólito Carbajal-Morán, Javier F. Márquez-Camarena, Carlos A. Galván-Maldonado
J. Ecol. Eng. 2022; 23(1):182-192
DOI: https://doi.org/10.12911/22998993/143942
 

The Effect of Natural Silica from Rice Husk Ash and Nickel as a Catalyst on the Hydrogen Storage Properties of MgH2
Malahayati Malahayati, Evi Yufita, Ismail Ismail, Mursal Mursal, Rinaldi Idroes, Zulkarnain Jalil
J. Ecol. Eng. 2021; 22(11):79-85
DOI: https://doi.org/10.12911/22998993/142959
 

Possibility of Using Golden Shower (Cassia Fistula) and Poinciana (Delonix regia) Seeds Oil as Non-Conventional Feedstocks for the Production of Biodiesel in Egypt
Ahmed Hamed Algharib, Ahmed Fawzy Abd El Hakim, Haitham Ahmed El-Khamissi, Sam Mohamed El-Hamamsy
J. Ecol. Eng. 2021; 22(10):19-27
DOI: https://doi.org/10.12911/22998993/142276
 

Biodiesel Production using Oil Extracted from Cooling Pond Wastewater by Esterification of Sulfonated Carbon Catalyst and Transesterification of Na2CO3 Catalyst
Chandra Fitri Kolakaningrum, Tuty Emilia Agustina, Fitri Hadiah
J. Ecol. Eng. 2021; 22(10):51-62
DOI: https://doi.org/10.12911/22998993/142186
 

Influence of Walls in a Container on the Growth of the Chlorella vulgaris Algae
Paweł Kondzior, Andrzej Butarewicz
J. Ecol. Eng. 2021; 22(10):98-108
DOI: https://doi.org/10.12911/22998993/142185
 

Experimental Studies on Hydrothermal Treatment of Municipal Solid Waste for Solid Fuel Production
Djaenudin Djaenudin, Dani Permana, Mahyar Ependi, Herlian Eriska Putra
J. Ecol. Eng. 2021; 22(9):208-215
DOI: https://doi.org/10.12911/22998993/141588
 

Anaerobic Digestion of Wheat Straw Pretreated with Soaking in Water and Alkali Medium
Magdalena Zdeb
J. Ecol. Eng. 2021; 22(9):246-254
DOI: https://doi.org/10.12911/22998993/141366
 

Rooftop Low Angle Tilted Photovoltaic Installation under Polish Climatic Conditions
Agata Zdyb, Grzegorz Szałas
J. Ecol. Eng. 2021; 22(8):223-233
DOI: https://doi.org/10.12911/22998993/140255
 

Motor Fuels and Energy – Producing Fuels Generation Based on the Processing of Municipal Solid Waste Organic Components
Marzhan Temirbekova, Waldemar Wojcik, Vyacheslav Stoyak
J. Ecol. Eng. 2021; 22(7):73-79
DOI: https://doi.org/10.12911/22998993/139115
 

Hydroelectric Power Plants and River Morphodynamic Processes
Marta Justyna Kiraga
J. Ecol. Eng. 2021; 22(7):163-178
DOI: https://doi.org/10.12911/22998993/139068
 

Assessment of the Biogas Yield of White Mustard (Sinapis alba) Cultivated as Intercrops
Katarzyna Wójcik Oliveira, Alicja Słomka
J. Ecol. Eng. 2021; 22(7):67-72
DOI: https://doi.org/10.12911/22998993/138815
 

Anaerobic Co-Digestion of Domestic Sewage Sludge with Food Waste: Incorporating Food Waste as a Co-Substrate under Semi-Continuous Operation
Salah H. Aljbour, Husam Al-Hamaiedeh, Tayel El-Hasan, Bassam O. Hayek, Khalid Abu-Samhadaneh, Salam Al-Momany, Ayman Aburawaa
J. Ecol. Eng. 2021; 22(7):1-10
DOI: https://doi.org/10.12911/22998993/137442
 

Investigation of the Kinetics of the Drying Process of Composite Pellets on a Convective Drying Stand
Zhanna Petrova, Yurii Sniezhkin, Vadym Paziuk, Yuliia Novikova, Anton Petrov
J. Ecol. Eng. 2021; 22(6):159-166
DOI: https://doi.org/10.12911/22998993/137676
 

The Application of Z-Ion Substrate to Support Energy Crop Growth (Dactylis Glomerata L.) on Degraded Soil
Mariola Chomczyńska, Natalia Rycko
J. Ecol. Eng. 2021; 22(6):106-113
DOI: https://doi.org/10.12911/22998993/137070
 

Consumption and Savings of Drinking Water in Selected Objects
Igor Vaverka, Aleksandra Jakimiuk, Yuliia Trach, Eugeniusz Koda, Magdalena Daria Vaverková
J. Ecol. Eng. 2021; 22(5):13-25
DOI: https://doi.org/10.12911/22998993/135894
 

A Series Arrangement of Economizer – Evaporator Flat Solar Collectors as an Enhancement for Solar Steam Generator
Mahmmod Aziz Alsaiydee, Ali Alhamadani, Waleed Allamy
J. Ecol. Eng. 2021; 22(5):121-128
DOI: https://doi.org/10.12911/22998993/135874
 

Full-Scale Application of Up-flow High Rate Anaerobic Reactor with Substrate Modification and Effluent Recirculation for Sugarcane Vinasse Degradation and Biogas Generation
Nani Harihastuti, Rustiana Yuliasni, Silvy Djayanti, Novarina Irnaning Handayani, Rame Rame, Adi Prasetio, Abudukeremu Kadier
J. Ecol. Eng. 2021; 22(4):314-324
DOI: https://doi.org/10.12911/22998993/134036
 

Gray Water Recovery System Model by Solar Photocatalysis with TiO2 Nanoparticles for Crop Irrigation
Hipólito Carbajal-Morán, Rosa H. Zárate Quiñones, Javier F. Márquez Camarena
J. Ecol. Eng. 2021; 22(4):78-87
DOI: https://doi.org/10.12911/22998993/134034
 

Hydrothermal Carbonization Kinetics of Lignocellulosic Municipal Solid Waste
Herlian Eriska Putra, Djaenudin Djaenudin, Enri Damanhuri, Kania Dewi, Ari Darmawan Pasek
J. Ecol. Eng. 2021; 22(3):188-198
DOI: https://doi.org/10.12911/22998993/132659
 

Database System for Estimating the Biogas Potential of Cattle and Swine Feces in Poland
Agnieszka Wawrzyniak, Andrzej Lewicki, Patrycja Pochwatka, Piotr Sołowiej, Wojciech Czekała
J. Ecol. Eng. 2021; 22(3):111-120
DOI: https://doi.org/10.12911/22998993/132426
 

Modeling of Joint Operation of a Ground Soil Heat Exchanger and a Thermal Pump Evaporator
Bogdan Sydorchuk, Oleksandr Naumchuk, Paweł Mazurek
J. Ecol. Eng. 2021; 22(2):256-261
DOI: https://doi.org/10.12911/22998993/131177
 

CFD Analysis of an Innovative Wind Tower Design with Wind-Inducing Natural Ventilation Technique for Arid Climatic Conditions
Bushra Obeidat, Hammam Kamal, Amal Almalkawi
J. Ecol. Eng. 2021; 22(2):86-97
DOI: https://doi.org/10.12911/22998993/130894
 

Influence of Temperature and Reaction Time on the Efficiency of Alkaline Pretreatment of Hay Biomass
Magdalena Zdeb, Małgorzata Pawłowska, Aneta Skóra
J. Ecol. Eng. 2021; 22(2):120-127
DOI: https://doi.org/10.12911/22998993/130882
 

Investigation on Productivity Enhancement of a Solar Still with Transparent Polythene Film Cover and Cylindrical Hollow Fins for Heat Storage
Ali Riahi, Nor Azazi Zakaria, Mohamed Hasnain Isa, Mohd Remy Rozainy Mohd Aref Zainol, Balbir Singh Mahinder Singh, Syafiq Shaharuddin, Mohd Fazly Yusof
J. Ecol. Eng. 2021; 22(1):95-103
DOI: https://doi.org/10.12911/22998993/128866
 

Inhibitory effect of Sodium Benzoate as Preservative Material in the Biogas Production in a Batch Anaerobic Digestion Process
Indro Sumantri, Luqman Buchori, Didi Dwi Anggoro
J. Ecol. Eng. 2020; 21(8):120-128
DOI: https://doi.org/10.12911/22998993/127005
 

Estimation of Potential of Agriculture Biogas Production in Biała Podlaska County (Poland)
Alina Kowalczyk-Juśko, Klaudia Mazur, Michał Maciąg, Patrycja Pochwatka, Agnieszka Listosz, Andrzej Mazur
J. Ecol. Eng. 2020; 21(8):156-162
DOI: https://doi.org/10.12911/22998993/126986
 

Water Desalination and Bioelectricity Generation Using Three Chambers Microbial Salinity Cell Reactor with Electrolyte Recirculation
Rustiana Yuliasni, Abudukeremu Kadier, Nur Zen, Nanik Indah Setianingsih, Setyo Budi Kurniawan, Peng-Cheng Ma
J. Ecol. Eng. 2020; 21(8):129-136
DOI: https://doi.org/10.12911/22998993/126983
 

Increase in the Energy Efficiency of Facilities by Using RES Systems as a Criterion for Environmental Quality Improvement
Sławomir Sowa
J. Ecol. Eng. 2020; 21(7):204-209
DOI: https://doi.org/10.12911/22998993/125554
 

Three-Year Exploitation Tests of a Photovoltaic Plant in a Zero-Energy Single-Family House under the Polish Conditions
Kazimierz Gaj
J. Ecol. Eng. 2020; 21(7):160-168
DOI: https://doi.org/10.12911/22998993/125502
 

Valorization of Palm Empty Fruit Bunch Waste for Syngas Production Through Gasification
Nabila Aprianti, Muhammad Faizal, Muhammad Said, Subriyer Nasir
J. Ecol. Eng. 2020; 21(7):17-26
DOI: https://doi.org/10.12911/22998993/125461
 

Experimental and Numerical Analysis of the Energy Efficiency of Transparent Partitions with a Thermal Storage Unit
Michał Marcin Musiał
J. Ecol. Eng. 2020; 21(6):201-211
DOI: https://doi.org/10.12911/22998993/123831
 

Production of Coal-Like Solid Fuel from Albizia Chinensis Sawdust Via Wet Torrefaction Process
Herlian Eriska Putra
J. Ecol. Eng. 2020; 21(6):183-190
DOI: https://doi.org/10.12911/22998993/123502
 

Production and Use of Liquid Biofuels for Heating Purposes
Krzysztof Nowak, Paweł Kut
J. Ecol. Eng. 2020; 21(6):169-175
DOI: https://doi.org/10.12911/22998993/123472
 

Biofuel as an Alternative Energy Source for the Automobile Industry: The Experience of the Lower Volga Region (Russia)
N. A. Shyurova, V. V. Dubrovin, V. B. Narushev, A. A. Kozhevnikov, I. V. Milovanov
J. Ecol. Eng. 2020; 21(6):29-35
DOI: https://doi.org/10.12911/22998993/123164
 

The Effect of Electrode Immersion Time and Ageing on N719 Dye-Sensitized Solar Cells Performance
Ewelina Krawczak, Agata Zdyb
J. Ecol. Eng. 2020; 21(6):53-60
DOI: https://doi.org/10.12911/22998993/123162
 

Concentration of Nitrogen Oxides when Burning Wood Pellets of Various Origins
Bartosz Ciupek, Karol Gołoś
J. Ecol. Eng. 2020; 21(5):229-233
DOI: https://doi.org/10.12911/22998993/123121
 

Influence of the Virginia Fanpetals Cultivation Method on Calorific Value, Content and Dynamics of Macronutrient Uptake
Ewa Możdżer, Hanna Siwek, Małgorzata Włodarczyk, Marek Bury, Teodor Kitczak
J. Ecol. Eng. 2020; 21(5):120-128
DOI: https://doi.org/10.12911/22998993/122236
 

Food Waste Management Using Hermetia Illucens Insect
Wojciech Czekała, Damian Janczak, Marta Cieślik, Jakub Mazurkiewicz, Jakub Pulka
J. Ecol. Eng. 2020; 21(4):214-216
DOI: https://doi.org/10.12911/22998993/119977
 

Alternative Measures to Reduce Carbon Dioxide Emissions in the Republic of Cuba
Emiliia Iakovleva, Daniel Dias Guerra, Andrey Shklyarskiy
J. Ecol. Eng. 2020; 21(4):55-60
DOI: https://doi.org/10.12911/22998993/119800
 

A Proposed Model to Forecast Hourly Global Solar Irradiation Based on Satellite Derived Data, Deep Learning and Machine Learning Approaches
Badr Benamrou, Mustapha Ouardouz, Imane Allaouzi, Mohamed Ben Ahmed
J. Ecol. Eng. 2020; 21(4):26-38
DOI: https://doi.org/10.12911/22998993/119795
 

New Trends in Substrates and Biogas Systems in Poland
Stanisław Marks, Jacek Dach, Francisco Jesus Fernandez Morales, Jakub Mazurkiewicz, Patrycja Pochwatka, Łukasz Gierz
J. Ecol. Eng. 2020; 21(4):19-25
DOI: https://doi.org/10.12911/22998993/119528
 

Productivity Enhancement of a Double Slope Solar Still Coupled with a Solar System
Ebrahim Hamid Hussein Al-Qadami, Abdurrasheed S. Abdurrasheed, Zahiraniza Mustaffa, Y.H. Mugahed Amran, Khamaruzaman W. Yusof, Amimul Ahsan
J. Ecol. Eng. 2020; 21(4):255-263
DOI: https://doi.org/10.12911/22998993/118293
 

Effect of Diesel Fuel Temperature on the Nitrogen Oxides Emission from a Compression-Ignition Engine
Mirosław Czechlowski
J. Ecol. Eng. 2020; 21(3):164-170
DOI: https://doi.org/10.12911/22998993/118283
 

Troubleshooting Maintenance of Concentrated Photo-Voltaic System – A Case Study
Samer As'ad
J. Ecol. Eng. 2020; 21(2):1-9
DOI: https://doi.org/10.12911/22998993/116333
 

Analysis of Energy Yields from Selected Types of Photovoltaic Panels
Sławomir Rabczak, Danuta Proszak-Miąsik
J. Ecol. Eng. 2020; 21(1):20-28
DOI: https://doi.org/10.12911/22998993/113471
 

Management of Solid Biomass in Medium Power Boiler Plants
Elżbieta Rybak-Wilusz, Danuta Proszak- Miąsik, Bartosz Kuliński
J. Ecol. Eng. 2020; 21(1):105-111
DOI: https://doi.org/10.12911/22998993/113420
 

Demand Side Management and its Possibilities in Jordan
Nabeel Tawalbeh, Hanan Mohammad Abusamaha, Ahmed Al-Salaymeh
J. Ecol. Eng. 2020; 21(1):29-33
DOI: https://doi.org/10.12911/22998993/113417
 

Methods of Assessing Odour Emissions from Biogas Plants Processing Municipal Waste
Marta Wiśniewska
J. Ecol. Eng. 2020; 21(1):140-147
DOI: https://doi.org/10.12911/22998993/113039
 

A Possibility of Functioning Biogas Plant at a Poultry Farm
Damian Janczak, Jakub Mazurkiewicz, Wojciech Czekała, Magdalena Myszura, Kamil Kozłowski, Aleksandra Jeżowska
J. Ecol. Eng. 2019; 20(11):225-231
DOI: https://doi.org/10.12911/22998993/114090
 

Biological Processing of Renewable Raw Materials Resources with Regard to the Environmental and Technological Criteria
Mikhail Romanovich Kudrin, Andrey Georgievich Koshchaev, Olga Viktorovna Koshchaeva, Murat Borisovich Ulimbashev, Nina Vladimirovna Konik, Sergey Viktorovich Shabunin
J. Ecol. Eng. 2019; 20(11):58-66
DOI: https://doi.org/10.12911/22998993/113192
 

The Assessment of the Suitability of Lemon Balm and Alder Buckthorn Wastes for the Biogas Production
Robert Czubaszek
J. Ecol. Eng. 2019; 20(11):152-158
DOI: https://doi.org/10.12911/22998993/112747
 

Thermophilic Co-Digestion of Sewage Sludge and Brewery Spent Grain
Magdalena Lebiocka, Agnieszka Montusiewicz, Aleksandra Szaja, Sylwia Rembisz, Ewelina Nowakowska
J. Ecol. Eng. 2019; 20(10):118-124
DOI: https://doi.org/10.12911/22998993/113139
 

Photovoltaic System Integrated Into the Noise Barrier – Energy Performance and Life Cycle Assessment
Agata Zdyb
J. Ecol. Eng. 2019; 20(10):183-188
DOI: https://doi.org/10.12911/22998993/113137
 

Design of Photovoltaic Systems using Computer Software
Paweł Kut, Krzysztof Nowak
J. Ecol. Eng. 2019; 20(10):72-78
DOI: https://doi.org/10.12911/22998993/112907
 

Simulation Analysis of Fuel Mixture Influence on the Effects of Operation of Selected Steam Boilers in Municipal Districts
Dorota Danuta Wójcicka-Migasiuk, Magdalena Paśnikowska-Łukaszuk
J. Ecol. Eng. 2019; 20(10):54-62
DOI: https://doi.org/10.12911/22998993/112876
 

Electromobility – the Importance of Power Quality and Environmental Sustainability
Aleksander Chudy, Paweł Artur Mazurek
J. Ecol. Eng. 2019; 20(10):15-23
DOI: https://doi.org/10.12911/22998993/112713
 

Numerical Analysis of the Impact of the Cooling Cycle Length in Vegetable Cold Stores on the Heat Exchange with Soil
Paweł Sokołowski, Grzegorz Nawalany
J. Ecol. Eng. 2019; 20(9):162-170
DOI: https://doi.org/10.12911/22998993/112494
 

The Effect of Z-ion Zeolite Substrate on Growth of Zea mays L. as Energy Crop Growing on Marginal Soil
Mariola Chomczyńska, Magdalena Zdeb
J. Ecol. Eng. 2019; 20(9):253-260
DOI: https://doi.org/10.12911/22998993/112482
 

Design of Stand-Alone Proton Exchange Membrane Fuel Cell Hybrid System under Amman Climate
Wala' Nsour, Tamara Taa'mneh, Osama Ayadi, Jamil Al Asfar
J. Ecol. Eng. 2019; 20(9):1-10
DOI: https://doi.org/10.12911/22998993/111800
 

Optimization of Copper Removal by Photovoltaic Electrocoagulation from Aqueous Solution Using Response Surface Methodology Towards Sustainable Development
Hoa Thanh Nguyen, Lien Nguyen, Phuong Dinh Thi Lan
J. Ecol. Eng. 2019; 20(7):103-111
DOI: https://doi.org/10.12911/22998993/109881
 

Heat Induced Pre-Treatment Technologies for Lignocellulosic Biomass - A Comparison of Different Processes and Techniques
Marvin Scherzinger, Martin Kaltschmitt
J. Ecol. Eng. 2019; 20(7):134-146
DOI: https://doi.org/10.12911/22998993/109876
 

Yield Efficiency Evaluation of Double Slope Solar Stills Connected with External Spiral Copper for Potable Water Production
Ebrahim Hamid Hussein Al-Qadami, Amimul Ahsan, Abdurrasheed Sa'id Abdurrasheed, Zahiraniza Mustaffa, Khamaruzaman Wan Yusof, Husna Bt Takaijudin, Marlinda Binti Abdul Malek
J. Ecol. Eng. 2019; 20(7):176-186
DOI: https://doi.org/10.12911/22998993/108654
 

Experimental and Theoretical Study for Wind Energy Unit
Hanan Mohammad Abusamaha, Farah Dawoud
J. Ecol. Eng. 2019; 20(6):207-214
DOI: https://doi.org/10.12911/22998993/109459
 

Biomethane Emissions: Measurement in Wastewater Pond at Palm Oil Mill by Using TGS2611 Methane Gas Sensor
Ledis Heru Saryono Putro, Dedik Budianta Budianta, Dedi Rohendi Rohendi, Amin Rejo Rejo
J. Ecol. Eng. 2019; 20(6):25-35
DOI: https://doi.org/10.12911/22998993/108696
 

Biogas Production from Raw Digestate and its Fraction
Wojciech Czekała
J. Ecol. Eng. 2019; 20(6):97-102
DOI: https://doi.org/10.12911/22998993/108653
 

Identification and Characterization of Potential Feedstock for Biogas Production in South Africa
Nathaniel Sawyerr, Cristina Trois, Tilahun Workneh
J. Ecol. Eng. 2019; 20(6):103-116
DOI: https://doi.org/10.12911/22998993/108652
 

Temperature Effect on Performance of Different Solar Cell Technologies
Jehad Adeeb, Alaa Farhan, Ahmed Al-Salaymeh
J. Ecol. Eng. 2019; 20(5):249-254
DOI: https://doi.org/10.12911/22998993/105543
 

Evaluation of Energy Production through Solar Photovoltaic Technology for Self-Consumption in the Parish Council of São Bartolomeu de Messines, Portugal – Preliminary Study
Ana Pardal, José Pinto, Joana fernandes
J. Ecol. Eng. 2019; 20(5):111-120
DOI: https://doi.org/10.12911/22998993/105336
 

A Comparative Study for the Traditional and Modern Houses in Terms of Thermal Comfort and Energy Consumption in Umm Qais City, Jordan
Hussain Hendi Alzoubi, Amal Thabet Malkawi
J. Ecol. Eng. 2019; 20(5):14-22
DOI: https://doi.org/10.12911/22998993/105324
 

Innovative Solutions for Renewable Energy and Energy Efficiency in Jordan
Farah Mahmoud Dawoud, Abeer Jbour, Ahmed Al-Salaymeh, Louy Qoaider, Thomas Fink
J. Ecol. Eng. 2019; 20(4):201-216
DOI: https://doi.org/10.12911/22998993/102986
 

Enhancing the Productivity of a Roof-Type Solar Still Utilizing Alumina Nanoparticles and Vacuum Pump
Eslam Mutlq, Mohammad Hamdan, Jamil Al Asfar
J. Ecol. Eng. 2019; 20(4):187-193
DOI: https://doi.org/10.12911/22998993/102966
 

Utilization of Stalks Waste of Sorghum bicolor (L.) Moench to Produce Bioethanol by using Saccharomyces cerevisiae and S. cerevisiae-Pichia stipitis Consortium
Ellina Sitepu Pandebesie, Audiananti Meganandi Kartini, Susi Agustina Wilujeng, IDAA Warmadewanthi
J. Ecol. Eng. 2019; 20(4):54-60
DOI: https://doi.org/10.12911/22998993/102616
 

The Effect of Using Naphthalene and Local Soil with Concrete Mixture on Thermal Conductivity, Case of Mafraq City - Jordan
Hussain Hendi Alzoubi, Duha J Al-Olaimat
J. Ecol. Eng. 2019; 20(4):42-53
DOI: https://doi.org/10.12911/22998993/102615
 

Bioconversion of Waste Foolscap and Newspaper to Fermentable Sugar
Modupe Elizabeth Ojewumi, Oluwatobi Elijah Kolawole, Daniel Oyekunle, Samson Taiwo, Alaba Adeyemi
J. Ecol. Eng. 2019; 20(4):35-41
DOI: https://doi.org/10.12911/22998993/102614
 

Effects of Biochar Addition on Vermicomposting of Food Industry Sewage Sludge
Jakub Świątek, Tadeáš Spitzer, Anna Grobelak, Małgorzata Kacprzak
J. Ecol. Eng. 2019; 20(3):36-45
DOI: https://doi.org/10.12911/22998993/97242
 

Current State, Challenges and Perspectives of Biological Production of Hydrogen in Dark Fermentation Process in Poland
Kamil Kozłowski, Andrzej Lewicki, Krystyna Malińska, Qiao Wei
J. Ecol. Eng. 2019; 20(2):146-160
DOI: https://doi.org/10.12911/22998993/97270
 

Assessment of Effectiveness of Organo-Mineral Fertilizer Made of Coffee Spent Grounds and Biomass Ash
Tomasz Ciesielczuk, Czesława Rosik-Dulewska, Joanna Poluszyńska, Ewelina Ślęzak
J. Ecol. Eng. 2019; 20(2):73-78
DOI: https://doi.org/10.12911/22998993/96269
 

Perspective Technologies of the Treatment of the Wastewaters with High Content of Organic Pollutants and Ammoniacal Nitrogen
Myroslav Malovanyy, Oleksandr I. Moroz, Svitlana O. Hnatush, Olga D. Maslovska, Volodymyr Zhuk, Ihor M. Petrushka, Volodymyr Nykyforov, Andriy Sereda
J. Ecol. Eng. 2019; 20(2):8-15
DOI: https://doi.org/10.12911/22998993/94917
 

Effect of Using New Technology Vehicles on the World’s Environment and Petroleum Resources
Maen Al Rashdan, Mohammad Al Zubi, Mohamad Al Okour
J. Ecol. Eng. 2019; 20(1):16-24
DOI: https://doi.org/10.12911/22998993/93945
 

The Use of Biochar for the Production of Organic Fertilizers
Wojciech Czekała, Aleksandra Jeżowska, Dawid Chełkowski
J. Ecol. Eng. 2019; 20(1):1-8
DOI: https://doi.org/10.12911/22998993/93869
 

Depletion Efficiency of Selected Expired Food Products in the Process of Methane Fermentation
Joanna Kazimierowicz
J. Ecol. Eng. 2019; 20(1):132-137
DOI: https://doi.org/10.12911/22998993/93865
 

Exchange of Carbon Dioxide Between the Atmosphere and the Maize Field Fertilized with Digestate from Agricultural Biogas Plant
Robert Czubaszek
J. Ecol. Eng. 2019; 20(1):145-151
DOI: https://doi.org/10.12911/22998993/93798
 

Dynamics of Nitrogen Transformations in Soil Fertilized with Digestate From Agricultural Biogas Plant
Agnieszka Wysocka-Czubaszek
J. Ecol. Eng. 2019; 20(1):108-117
DOI: https://doi.org/10.12911/22998993/93795
 

The Analysis of Efficiency and Investment Profitability of a Solar Water Heating System in a Multi-Family Building
Piotr Herbut, Maciej Rzepczyński, Sabina Angrecka
J. Ecol. Eng. 2018; 19(6):75-80
DOI: https://doi.org/10.12911/22998993/92675
 

Calculation and Selection of Flat-Plate Solar Collector Geometric Parameters with Thermosiphon Circulation
Yedilkhan Amirgaliyev, Murat Kunelbayev, Waldemar Wójcik, Beibut Amirgaliyev, Aliya Kalizhanova, Omirlan Auelbekov, Nazbek Kataev, Ainur Kozbakova
J. Ecol. Eng. 2018; 19(6):176-181
DOI: https://doi.org/10.12911/22998993/91882
 

Legal Regulations and Methods Neutralising Expired Food Products
Joanna Kazimierowicz
J. Ecol. Eng. 2018; 19(6):217-224
DOI: https://doi.org/10.12911/22998993/89828
 

Cultivation of Oleaginous Microalgae Scenedesmus obliquus on Secondary Treated Municipal Wastewater as Growth Medium for Biodiesel Production
Mohamed F. Eida, Osama M. Darwesh, Ibrahim A. Matter
J. Ecol. Eng. 2018; 19(5):38-51
DOI: https://doi.org/10.12911/22998993/91274
 

Using Sawdust to Treat Synthetic Municipal Wastewater and Its Consequent Transformation Into Biogas
Zaidun Naji Abudi
J. Ecol. Eng. 2018; 19(5):10-18
DOI: https://doi.org/10.12911/22998993/91271
 

The Effect of Mixing During Laboratory Fermentation of Maize Straw with Thermofilic Technology
Kamil Kozłowski, Jakub Mazurkiewicz, Dawid Chełkowski, Aleksandra Jeżowska, Marta Cieślik, Michał Brzoski, Anna Smurzyńska, Yin Dongmin, Qiao Wei
J. Ecol. Eng. 2018; 19(5):93-98
DOI: https://doi.org/10.12911/22998993/91270
 

Mechanical Pretreatment of Lignocellulosic Biomass for Methane Fermentation in Innovative Reactor with Cage Mixing System
Paulina Rusanowska, Marcin Zieliński, Magda Rozalia Dudek, Marcin Dębowski
J. Ecol. Eng. 2018; 19(5):219-224
DOI: https://doi.org/10.12911/22998993/89822
 

Influence of Ultrasonic Disintegration on Efficiency of Methane Fermentation of Sida hermaphrodita Silage
Magda Rozalia Dudek, Paulina Rusanowska, Marcin Zieliński, Marcin Dębowski
J. Ecol. Eng. 2018; 19(5):128-134
DOI: https://doi.org/10.12911/22998993/89820
 

Application of an Innovative Ultrasound Disintegrator for Sewage Sludge Conditioning Before Methane Fermentation
Marcin Zieliński, Marcin Dębowski, Mirosław Krzemieniewski, Paulina Rusanowska, Magdalena Zielińska, Agnieszka Cydzik-Kwiatkowska, Agata Głowacka-Gil
J. Ecol. Eng. 2018; 19(5):240-247
DOI: https://doi.org/10.12911/22998993/89817
 

Enhancement of Dairy Wastewater Treatment in a Combined Anaerobic Baffled and Biofilm Reactor with Magneto-Active Packing Media
Marta Kisielewska, Marcin Dębowski, Marcin Zieliński, Mirosław Krzemieniewski
J. Ecol. Eng. 2018; 19(5):165-171
DOI: https://doi.org/10.12911/22998993/89816
 

Machines and Horticultural Implements for the Cultivation of Small-Scale Herbs and Spices
Tomasz Trzepieciński, Witold Niemiec
J. Ecol. Eng. 2018; 19(5):225-233
DOI: https://doi.org/10.12911/22998993/89812
 

Analysis of Heat Loss of a Biogas Anaerobic Digester in Weather Conditions in Poland
Tomasz Janusz Teleszewski, Mirosław Żukowski
J. Ecol. Eng. 2018; 19(4):242-250
DOI: https://doi.org/10.12911/22998993/89660
 

Factors Affecting Ballability of Mixture Iron Ore Concentrates and Iron Oxide Bearing Wastes in Metallurgical Processing
Mfon Udo, D. E. Esezobor, F. I. Apeh, Adeniran Sunday Afolalu
J. Ecol. Eng. 2018; 19(3):235-242
DOI: https://doi.org/10.12911/22998993/86158
 

Proximate Analysis and Calorific Value of Pellets in Biosolid Combined with Wood Waste Biomass
I Nyoman Sukarta, I Dewa Ketut Sastrawidana, Ni Putu Sri Ayuni
J. Ecol. Eng. 2018; 19(3):185-190
DOI: https://doi.org/10.12911/22998993/86153
 

Assessing the Solar Power Plant Efficiency Degradation Resulting from Heating
Alexander Lavrik, Emiliia Iakovleva, Alexander Lеskov
J. Ecol. Eng. 2018; 19(3):115-119
DOI: https://doi.org/10.12911/22998993/86149
 

Agricultural Biogas Plants as a Chance for the Development of the Agri-Food Sector
Wojciech Czekała
J. Ecol. Eng. 2018; 19(2):179-183
DOI: https://doi.org/10.12911/22998993/83563
 

The Use of Methane in Practical Solutions of Environmental Engineering
Aneta Skorek, Renata Włodarczyk
J. Ecol. Eng. 2018; 19(2):172-178
DOI: https://doi.org/10.12911/22998993/82427
 

Comparison of physicochemical properties and waste biomass emission coefficients of leaves of selected hazel cultivars
Kamila Ewa Klimek, Anna Izabela Borkowska, Grzegorz Maj, Magdalena Kapłan
 

Potential Application of Rhodotorula mucilaginosa Derived from Landfill Leachate in Sustainable Biofuel Production and Wastewater Treatment
Wusnah Wusnah, Nikita Emalya, Muhammad Dani Supardan, Sri Haryani, Edi Munawar, Johann Fellner, Y Yunardi
J. Ecol. Eng. 2025; 26(11)
 

Impact of feed pH on biogas generation from liquid waste of tapioca starch industry through anaerobic digestion assisted by microbial electrolysis cell
Nur Khomariah, Iqbal Syaichurrozi, Teguh Kurniawan, Fatah Sulaiman, Asep Ridwan, Budiyono Budiyono, Haslenda Hashim
 

Characterization and proximate analysis of composite biochar briquette from oil palm frond and red clay
Saipin Suwankamnoed, Pattareewan Imsuwan, Worrathon Tilokkarn, Bunyarit Meksiriporn, Thanawat Sutjaritvorakul
J. Ecol. Eng. 2025; 26(11)
 

Facile synthesis and catalytic evaluation of iron-doped ZnO nanocatalysts for biodiesel production
Jaffar Hussain, Zeenat Muhammad Ali, Farman Ali Shah, Abdul Qadeer, Abdul Nasir Laghari, Munazza Sohil
J. Ecol. Eng. 2025; 26(10):352-359
 

Assessment of waste cooking oil-based biodiesel blend: Properties, performance and optimal blend ratio
Kadumcanadka Srithejas, Vikram Athreya, Pathirimadam Santhamallappa Prajwal, Raghu Ram Achar, Kalya Tulasidas Vadiraj
J. Ecol. Eng. 2025; 26(10):200-210
 

Increasing Palm Oil Productivity with a Combination of Inorganic Fertilizers and Biofertilizers
Riko Irawan, Sudradjat Sudradjat, Supijatno Supijatno
 

Dynamics of carbon stock and normalized difference vegetation index as indicators of oil palm (Elaeis guineensis Jacq.) productivity in peat ecosystem with compound NPK fertilizer application
Hariyadi Hariyadi, Cecep Ijang Wahyudin, A. Haitami, Andi Alatas, Pustika Adwiyani
J. Ecol. Eng. 2025; 26(9):253-267
DOI: https://doi.org/10.12911/22998993/205107
 

Characteristics of bio-briquettes from candlenut shells as a renewable energy: Selection of adhesive type, adhesive concentration, and bio-char particle size
Rosdanelli Hasibuan, Juliza Hidayati, Erni Misran, Rosma Natalia Samosir, Anggi Julia Sitohang, Viqry Pramananda, Risma Fazillah
J. Ecol. Eng. 2025; 26(10):316-327
 

Valorization of fruit and starch wastes via anaerobic acidification for the sustainable production of bio-products
Andriy Anta Kacaribu, Yuliani Aisyah, Febriani Febriani, Ramayanty Bulan, Darwin Darwin
J. Ecol. Eng. 2025; 26(9):170-185
DOI: https://doi.org/10.12911/22998993/204559
 

Preliminary study on the chemical components of west kalimantan's ubah rukkok wood (santiria griffithii) liquid smoke
Hera Desvita, Hasan Ashari Oramahi, Alkhadi Alkhadi, Farah Diba, Hikma Yanti, Marwanto Marwanto, M Bagas Heriansyah
J. Ecol. Eng. 2025; 26(7):343-351
DOI: https://doi.org/10.12911/22998993/204316
 

Wind induced energy harvesting with an aero-elastic resonator: Effect of the bluff body diameter
Grzegorz Litak, Jacek Caban, Sreeja Sadasiavan, Mariusz Klimek, Jerzy Margielewicz, Damian Gąska
J. Ecol. Eng. 2025; 26(9):197-204
DOI: https://doi.org/10.12911/22998993/204171
 

Enhancement of Chlorella vulgaris bioethanol production by optimizing phosphorus concentrations
Jasim Mohammed Salman, Maysam Baiee, Fikrat Hassan
J. Ecol. Eng. 2025; 26(7):321-328
DOI: https://doi.org/10.12911/22998993/203524
 

The optimal mixing ratio of cow manure with food waste using a laboratory up flow anaerobic sludge blanket reactor
Kinda Ali, Read Jafar, Adel Awad, Hossam Sabbouh, Hynek Roubík
J. Ecol. Eng. 2025; 26(8):381-392
DOI: https://doi.org/10.12911/22998993/203521
 

Bioreactor design for acidogenesis process of palm oil mill effluent
Arbie Saldi Zusri, Rivaldi Sidabutar, Irvan Irvan, Bambang Trisakti, Michael Michael, Maya Sarah, Rondang Tambun, Hiroyuki Daimon
J. Ecol. Eng. 2025; 26(8):16-26
DOI: https://doi.org/10.12911/22998993/203520
 

Valorization of glycerol into triacetin: Green innovation in sustainable biodiesel additive development for ecological stability
Nuryoto Nuryoto, Soni Candra, Widya Ernayati Kosimaningrum, Rafiif Nur Tahta Bagaskara
J. Ecol. Eng. 2025; 26(7):234-250
DOI: https://doi.org/10.12911/22998993/203399
 

Biogas as renewable energy source: A brief overview
Krzysztof Pilarski, Agnieszka Anna Pilarska, Jacek Dach
J. Ecol. Eng. 2025; 26(7):408-416
DOI: https://doi.org/10.12911/22998993/203376
 

Characterisation and gas chromatography–mass spectrometry analysis of products from pyrolysis of municipal solid waste using a fixed-bed reactor
Obid Tursunov, Islom Karimov, Nurislom Abduganiyev, Dilshod Kodirov, Galina Yuhnevich, Umi Fazara Md. Ali, Alina Rahayu Mohamed, Van-Hao Duong, Meutia Nurfahasdi, Kamaliddin Abdivakhidov
J. Ecol. Eng. 2025; 26(7):157-170
DOI: https://doi.org/10.12911/22998993/203363
 

Effects of plant density and fertilisation on yield structure and yield elements of maize hybrids for biofuel production
Serhii Bogomaz, Kristina Zayka, Ihor Didur, Olena Mazur, Oleksandr Mazur, Viacheslav Tsyhanskyi
J. Ecol. Eng. 2025; 26(6):352-364
DOI: https://doi.org/10.12911/22998993/202943
 

Biogas generation from anaerobic co-digestion of tofu liquid waste and tapioca flour liquid waste at various initial pHs
Iqbal Syaichurrozi, Syahira Nurulshani, Aisyah Ardian Pramudita, Endang Suhendi, Indar Kustiningsih, Nono Darsono, Deni Shidqi Khaerudini
J. Ecol. Eng. 2025; 26(7):11-23
DOI: https://doi.org/10.12911/22998993/202913
 

BIoindication characteristics of trees in solid protection forest strips depending on intensive agriculture
Ihor Didur, Oleksandr Tkachuk, Apantsyreva Hanna Pantsyreva, Yaroslav Chabanuk, Snizhana Pankova, Halyna Hutsol, Olha Mazur, Nataliia Kovka
J. Ecol. Eng. 2025; 26(6):315-328
DOI: https://doi.org/10.12911/22998993/202749
 

Sustainable synthesis of carbon nanomaterials from waste tire-derived char using microwave pyrolysis
Amani Hussein Sharaf Addin, Raihan Mahirah Ramli, Suriati Sufian, Najib Al-Mahbashi, Siti Shawalliah Idris, Abid Salam Farooqi, Shakimi Haikal Shamsu Bakri
J. Ecol. Eng. 2025; 26(6):189-201
DOI: https://doi.org/10.12911/22998993/201751
 

High phosphorus concentration induces lipid accumulation in Chlorella pyrenoidosa under nitrogen deficiency
Muhammad Fakhri, Erna Kristianti, I Made Dedi Mahariawan, Nanik Retno Buwono, Yunita Eka Puspitasari, Seto Sugianto Prabowo Rahardjo, Wahyu Endra Kusuma, Nasrullah Bai Arifin, Ating Yuniarti, Anik Martinah Hariati
J. Ecol. Eng. 2025; 26(5):213-219
DOI: https://doi.org/10.12911/22998993/201202
 

Efficiency of wind turbines and sustainable development in Kitka Park – Case study
Vehebi Sofiu, Sami Gashi, Muhaxherin Sofiu, Yrmet Shabani
J. Ecol. Eng. 2025; 26(4):359-368
DOI: https://doi.org/10.12911/22998993/200479
 

A comparative analysis of the thermochemical properties and gasification efficiency of palm kernel shell and coal for clean energy applications
Hendra Dwipayana, Muhammad Faizal, Muhammad Said, Hasanudin Hasanudin
J. Ecol. Eng. 2025; 26(3):187-199
DOI: https://doi.org/10.12911/22998993/199591
 

Synthesis and characterization of aluminum / iron – pillared bentonite catalysts for empty fruit bunches biomass gasification
Ria Komala, Dedi Rohendi, Fakhili Gulo, Muhammad Faizal
J. Ecol. Eng. 2025; 26(3):119-134
DOI: https://doi.org/10.12911/22998993/199571
 

Optimized co-solvent methanolysis of mixed non-edible oils over nano solid base catalyst derived from egg shells
Baraa A. Kareem, Abdelrahman B. Fadhil
J. Ecol. Eng. 2025; 26(3):48-62
DOI: https://doi.org/10.12911/22998993/199455
 

Impact of offshore wind farms on the fauna of the Baltic Sea
Natalia Cieślewicz, Krzysztof Pilarski, Agnieszka Anna Pilarska
J. Ecol. Eng. 2025; 26(4):1-14
DOI: https://doi.org/10.12911/22998993/196200
 

Performance assessment of bifacial photovoltaic modules based on multivariant simulation and outdoor measurements
Agata Zdyb, Grzegorz Szałas, Dariusz Sobczyński
J. Ecol. Eng. 2025; 26(2):24-32
DOI: https://doi.org/10.12911/22998993/196189
 

Numerical and experimental study of the impact of biofuel generated from waste olive oil on performance and emissions of IC engines
Munaf D.F. Al-Aseebee, Ahmed Ketata, Husam Abdul Rasool Hasan, Olfa Moussa, Zied Driss, Mohamed Salah Abid, Ahmed Samir Naje, Tholfekar Habeeb Hussain
J. Ecol. Eng. 2025; 26(2):85-100
DOI: https://doi.org/10.12911/22998993/195974
 

Comparative analysis of predictive models for Tamarindus indica waste briquettes higher heating value
Fredrik Julius Haba Bunga, Jemmy Jonson Sula Dethan, Novi Ivonne Bullu, Gabriela Elysia Hetharia, Eryc Z Haba Bunga
J. Ecol. Eng. 2025; 26(1):345-354
DOI: https://doi.org/10.12911/22998993/195883
 

Airlift bioreactor under bio-consumption environment: Mass transfer study of metabolic gases
Ghasaq H. Abdul Kadhim, Mahmood K. H. Al-Mashhadani
J. Ecol. Eng. 2025; 26(1):260-272
DOI: https://doi.org/10.12911/22998993/195689
 

Microwave assisted production of biodiesel using CaO nano-catalyst produced from mango fallen leaves extract
Sarah Mahmood, Atheer M. AL Yaqoobi
J. Ecol. Eng. 2025; 26(1):248-259
DOI: https://doi.org/10.12911/22998993/195650
 

Characterization and performance analysis of Kesambi branch biomass briquettes: A study on particle size effects
Jemseng Abineno, Jemmy Dethan, Fredrik Julius Haba Bunga, Eryc Haba Bunga
J. Ecol. Eng. 2025; 26(1):213-222
DOI: https://doi.org/10.12911/22998993/195643
 

Investigation and characterization of polypropylene plastic waste pyrolysis oil: Effect of temperature and fractional condensation
Zahrul Mufrodi, Mochamad Syamsiro, Muhammad Kunta Biddinika, Dhias Cahya Hakika, Pandji Prawisudha, Kun Sri Budiasih, Chandra Wahyu Purnomo
J. Ecol. Eng. 2025; 26(1):163-172
DOI: https://doi.org/10.12911/22998993/195533
 

Optimizing the application of biochar to improve irrigation efficiency and enhance the growth of chili plants in loam soil
Widowati Widowati, Agnes Quartina Pudjiastuti, Linda Prasetyorini, Retno Wilujeng, Utik Tri Wulan Cahya
J. Ecol. Eng. 2025; 26(1):66-82
DOI: https://doi.org/10.12911/22998993/195268
 

Quality Improvement of Refuse-Derived Fuel from Landfill Mining
Prihartanto Prihartanto, Yulinah Trihadiningrum, Muhammad Abdul Kholiq, I.D.A.A. Warmadewanthi, Arseto Yekti Bagastyo
J. Ecol. Eng. 2024; 25(12):298-313
DOI: https://doi.org/10.12911/22998993/194840
 

Asphalt Binder Modification with High-Density Polyethylene Polymer and Low-Density Polyethylene Polymer – Efficiency of Conducting Semi-Wet Mixing Process
Basheet Heliw Basheet, Roaa Hamed Latief
J. Ecol. Eng. 2024; 25(12):202-212
DOI: https://doi.org/10.12911/22998993/194397
 

Recyclable and Reusable Catalyst of Chitosan-Modified MgAl-Layered Double Hydroxide for Biodiesel Production
Is Fatimah, Yuliyanti Yuliyanti, Catur Hayati, Aviatul Fikriyah, Azlan Bin Kamari
J. Ecol. Eng. 2024; 25(12):136-145
DOI: https://doi.org/10.12911/22998993/194096
 

Demand-Driven Biogas Plants in Poland – Potential and Growth Perspectives
Aleksandra Łukomska, Jakub Pulka, Michał Broński, Jacek Dach
J. Ecol. Eng. 2024; 25(11):236-248
DOI: https://doi.org/10.12911/22998993/193262
 

Revolutionizing Dye Sensitized Solar Cells – Impact of Silicon Dioxide Purity Derived from Coal Fly Ash for Enhanced Photoelectric Performance
Mitha Pratiwi, Leila Kalsum, Rusdianasari Rusdianasari
J. Ecol. Eng. 2024; 25(11):210-220
DOI: https://doi.org/10.12911/22998993/192896
 

Improvement of Brown Coal Quality through Variation of Acacia Wood Waste Biochar Composition in Producing Alternative Solid Fuel
Bazlina Dawami Afrah, Jasmine Fadhilah Delli Saputri, Tiara Maharani Ramona Putri, Leily Nurul Komariah, Muhammad Ihsan Riady
J. Ecol. Eng. 2024; 25(11):188-199
DOI: https://doi.org/10.12911/22998993/192672
 

Efficient Bioethanol Production from Lignocellulosic Biomass Using Diverse Microbial Strains
Ahmed Bendaoud, Abdelkhalek Belkhiri, Anouar Hmamou, Sara Tlemcani, Noureddine Eloutassi, Amal Lahkimi
J. Ecol. Eng. 2024; 25(10):351-360
DOI: https://doi.org/10.12911/22998993/191748
 

Accumulation of Chemical Elements in the Vegetative Mass of Energy Cultures Grown on Gray Forest Soils in the Western Forest Steppe of Ukraine
Serhii Fedorovich Razanov, Oleksii Alieksieiev, Oleh Bakhmat, Mykola Bakhmat, Olha Lytvyn, Olha Alieksieievа, Oksana Vradii, Kateryna Mazur, Alla Razanova, Iryna Mazurak
J. Ecol. Eng. 2024; 25(9):282-291
DOI: https://doi.org/10.12911/22998993/191439
 

Experimental Investigation of the Horizontal Axis Wind Turbine with NACA4418 Blade Length
Muhammad Ilham Maulana, Ahmad Syuhada, Akhyar Hasan
J. Ecol. Eng. 2024; 25(9):272-281
DOI: https://doi.org/10.12911/22998993/191437
 

Feasibility Analysis of Grid-Connected Solar Photovoltaic Systems in Dhahran and Bisha, Saudi Arabia
Malik Yousef Al-Abed Allah
J. Ecol. Eng. 2024; 25(9):260-271
DOI: https://doi.org/10.12911/22998993/191435
 

Efficiency of Low Temperature Chemical Pretreatment of Fruit and Vegetable Pomace
Małgorzata Pawłowska, Magdalena Zdeb, Emilia Bochińska
J. Ecol. Eng. 2024; 25(9):242-251
DOI: https://doi.org/10.12911/22998993/191397
 

The Use of Biofilter in Anaerobic Baffled Reactor to Improve Quality of Methane Concentration and Effluent as Liquid Organic Fertiliser
Lydia Mawar Ningsih, Udin Hasanudin, Hynek Roubík
J. Ecol. Eng. 2024; 25(9):226-234
DOI: https://doi.org/10.12911/22998993/191261
 

Bioreactor Feeding Strategies to Improve Biogas Production and Pig Slurry Management Flexibility
Inês Silva, Nuno Lapa, Henrique Ribeiro, Elizabeth Duarte
J. Ecol. Eng. 2024; 25(9):252-259
DOI: https://doi.org/10.12911/22998993/190924
 

Bioethanol Fermentation from Banana Pseudostems Waste (Musa balbisiana) Pretreated with Potassium Hydroxide Microwave
Dhika Uljanah, Elda Melwita, Novia Novia
J. Ecol. Eng. 2024; 25(9):1-13
DOI: https://doi.org/10.12911/22998993/190691
 

From Sanitation to Clean Energy – Biogas Potential of Three Organic Wastes Collected in and Around Douala City (Cameroon)
Nicole Florence Ngo Ngwe, Frédéric Marie Tavea, Guillaume Léopold Essomè-Koum, Djopnang Justin Djimbie, Ernest Flavien Kottè-Mapoko, Boubakary Boubakary, Alphonse Konango-Samè, Laurant Nyamsi-Moussian, Din Ndongo, Romeo Fobasso-Tagnikeu
J. Ecol. Eng. 2024; 25(8):84-98
DOI: https://doi.org/10.12911/22998993/189298
 

Modeling of Biogas Production of Camel and Sheep Manure Using Tomato and Rumen as Co-Substrate via Kinetic Models
Mariam Alharbi, Bushra Safar Alkathami
J. Ecol. Eng. 2024; 25(8):10-23
DOI: https://doi.org/10.12911/22998993/189231
 

The Effects of Ozonolysis on Oil Palm Fruit Mesocarp Delignification
Asyeni Miftahul Jannah Asyeni, Muhammad Faizal, Novia Novia, Hary Widjajanti
J. Ecol. Eng. 2024; 25(7):305-316
DOI: https://doi.org/10.12911/22998993/188879
 

Thermal, Energy and Exergy Analysis of Thermoelectric Generator System for Waste Heat Recovery Applications
Viorel Ionescu
J. Ecol. Eng. 2024; 25(7):201-211
DOI: https://doi.org/10.12911/22998993/188274
 

Study of Biological Media Interactions in Contact with Cement Paste – An Empirical Analysis
Michał Pyzalski
J. Ecol. Eng. 2024; 25(7):115-136
DOI: https://doi.org/10.12911/22998993/188101
 

Study on Co-Digestion of Palm Oil Mill Effluent and Empty Fruit Bunches to Improve Biogas Production in Palm Oil Mill
Julfi Restu Amelia, Lathifa Indraningtyas, Annisa Azzahra Aguzaen, Udin Hasanudin
J. Ecol. Eng. 2024; 25(6):334-349
DOI: https://doi.org/10.12911/22998993/187786
 

Co-Digestion of Petroleum Sludge and Buffalo Dung by Batch Anaerobic Digestion System
Muhammad Safar Korai, Munawar Ali Pinjaro, Zulfiqar Ali Bhatti, Eva Hertnacaahyani Herraprastanti, Miandad Jatoi, Muhammad Ali Shar, Abdulaziz Alhazaa
J. Ecol. Eng. 2024; 25(6):120-127
DOI: https://doi.org/10.12911/22998993/186898
 

Assessment of the Sub-Base Material for the Optimum Moisture Content and Maximum Dry Density Using Amalgamated Pond Ash with Reclaimed Asphalt on Road Pavement
Radhakrishnan Vijayakumar, Kumar Govidhasamy
J. Ecol. Eng. 2024; 25(6):29-41
DOI: https://doi.org/10.12911/22998993/186818
 

A Simulation of the Impact of Biodiesel Blends on Performance Parameters in Compression Ignition Engine
Fouad Alwan Saleh, Mohammed Kadhim Allawi, Murtdha S. Imran, Ahmed Oleiwi Samarmad
J. Ecol. Eng. 2024; 25(7):1-7
DOI: https://doi.org/10.12911/22998993/185889
 

Optimization Using Response Surface Methodology for Biodiesel Production by Double-Pipe Static Mixer Reactor
Wissarut Attahiran, Kulchanat Prasertsit, Songtham Photaworn
J. Ecol. Eng. 2024; 25(4):142-157
DOI: https://doi.org/10.12911/22998993/183956
 

Potential of Landfill Gas Extraction in North-East Ukraine
Iryna Vaskina, Dmytro Hopkalo, Roman Vaskin, Patrycja Pochwatka
J. Ecol. Eng. 2024; 25(4):258-270
DOI: https://doi.org/10.12911/22998993/183827
 

Novel Supported Ionic Liquid Adsorbents for Hydrogen Sulfide Removal from Biogas
Norsyahira Saffiee, Muhammad Zulhaziman Mat Salleh, Wan Nor Roslam Wan Isahak, Fatihah Suja, Ding Gong Tao, Sureewan Sittijundae, Peer Mohamed Abdul
J. Ecol. Eng. 2024; 25(4):66-79
DOI: https://doi.org/10.12911/22998993/183649
 

The Analysis of the Main Geospatial Factors Using Geoinformation Programs Required for the Planning, Design and Construction of a Photovoltaic Power Plant
Anna Jadwiga Kochanek, Szymon Kobylarczyk
J. Ecol. Eng. 2024; 25(4):49-65
DOI: https://doi.org/10.12911/22998993/183628
 

Effect of Short Heat Treatment of Amorphous Metal Alloy on Decolorization Dye Mendola Blue
Khrystyna Khrushchyk, Katarzyna Balin, Vasyl Kordan, Sylwia Golba, Malgorzata Karolus, Lidiya Boichyshyn
J. Ecol. Eng. 2024; 25(3):243-252
DOI: https://doi.org/10.12911/22998993/181194
 

Synthesis and Characterization of Zinc Oxide-Zeolite Photocatalyst Nanocomposite for Heavy Metals Degradation
Tuty Emilia Agustina, Tri Karimah Ramadhini, Elda Melwita, David Bahrin, Maria Siswi Wijayanti, Rianyza Gayatri
J. Ecol. Eng. 2024; 25(3):272-281
DOI: https://doi.org/10.12911/22998993/181151
 

Analysis of the Environmental Parameters of the GTM 400 Turbojet Engine During the Co-Combustion of JET A-1 Jet Oil with Hydrogen
Bartosz Jan Ciupek, Łukasz Brodzik, Łukasz Semkło, Wojciech Prokopowicz, Piotr Witold Sielicki
J. Ecol. Eng. 2024; 25(3):205-211
DOI: https://doi.org/10.12911/22998993/178533
 

Development of Environmentally Friendly Fuel Mixtures Based on Tamanu Oil and Pertasol, as Well as Performance Testing on Gasoline Engines
Agus Budianto, Gatot Setyono, Sumari Sumari, Hana Nur Aini, Esthi Kusdarini
J. Ecol. Eng. 2024; 25(3):53-63
DOI: https://doi.org/10.12911/22998993/177650
 

Briquettes from a Mixture of Cow Menure, Rice Husks and Wood Dust as Alternative Fuel
Teuku Athaillah, Masykur Masykur, Hasanuddin Husin, Adib Adib, Muhammad Reza Aulia
J. Ecol. Eng. 2024; 25(2):290-299
DOI: https://doi.org/10.12911/22998993/177194
 

Emission Models for Selected Harmful Substances Emitted During Low-Temperature Combustion of Wood Pellets
Bartosz Jan Ciupek, Rafał Urbaniak, Adam Nocoń
J. Ecol. Eng. 2024; 25(2):267-273
DOI: https://doi.org/10.12911/22998993/177188
 

A Review of the Roots of Ecological Engineering and its Principles
Nargol Ghazian, Christopher J. Lortie
J. Ecol. Eng. 2024; 25(1):345-357
DOI: https://doi.org/10.12911/22998993/175877
 

Production and Use of Biogas and Biomethane from Waste for Climate Neutrality and Development of Green Economy
Yaroslav Gontaruk, Tetiana Kolomiiets, Inna Honcharuk, Dina Tokarchuk
J. Ecol. Eng. 2024; 25(2):20-32
DOI: https://doi.org/10.12911/22998993/175876
 

Estimation of Photovoltaic Module Performance with L-Shaped Aluminum Fins Using Weather Data
Mohammad Hamdan, Eman Abdelhafez, Akram Musa, Salman Ajib
J. Ecol. Eng. 2024; 25(1):336-344
DOI: https://doi.org/10.12911/22998993/175497
 

Linear Correlation Analysis of Production Parameters of Biofuel from Cacao (Theobroma cacao L.) Mucilage
Jonathan Gerardo Chicaiza Intriago, Gema Estefania Zambrano Briones, Carlos Ricardo Delgado Villafuerte, María Fabiola Ávila Martínez, María Fernanda Pincay Cantos
J. Ecol. Eng. 2024; 25(1):187-194
DOI: https://doi.org/10.12911/22998993/175038
 

Effect of Drying Temperature of Sawdust Biobriquettes with Used Lubricant Oil Adhesive Volume Variation over Carbonization Process
Rizka Wulandari Putri, Rahmatullah Rahmatullah, Budi Santoso, Aulia Savitri, Maulika Zahara
J. Ecol. Eng. 2024; 25(2):309-320
DOI: https://doi.org/10.12911/22998993/174964
 

The Influence of Using Biodiesel Prepared from Cresson Oil on Emissions and Performance of CI Engines
Murtdha Shubbar Imran, Fouad Alwan Saleh
J. Ecol. Eng. 2024; 25(1):84-98
DOI: https://doi.org/10.12911/22998993/173565
 

Modeling of Waste Vegetable Oil Biodiesel for Tractor Engine Utilization
Munaf D.F. Al-Aseebee, Ahmed Ketata, Ahmed E. Gomaa, Olfa Moussa, Zied Driss, Mohamed Salah Abid, Ahmed Samir Naje, Haitham H. Emaish
J. Ecol. Eng. 2023; 24(12):293-303
DOI: https://doi.org/10.12911/22998993/173564
 

Impact of Pyrolysis Temperature on the Removal of Nutrients Using Coarse Rice-Husk Biochar
Tivany Edwin, Mas Mera, Puti Sri Komala, Zulkarnaini Zulkarnaini
J. Ecol. Eng. 2023; 24(12):247-257
DOI: https://doi.org/10.12911/22998993/173379
 

Effect of Biological Pretreatment on Anaerobic Sewage Sludge Digestion: Using Growth Media for Methanogenic Bacteria and Kinetic Studies for Biogas Yield
Khadija Lihi, Nabila Auajjar, Inass Hamdi, Benaissa Attarassi, Kaouatar Ech-chayeb
J. Ecol. Eng. 2023; 24(12):178-186
DOI: https://doi.org/10.12911/22998993/173063
 

Evaluation of the Efficiency of Energy Populus (Poplar) Growing Technology as an Alternative Source of Energy
Nadiia Lys, Nadiіa Tkachuk, Andrii Butenko, Maksym Kozak, Anton Polyvanyi, Vitalii Kovalenko, Viktoriia Pylypenko, Serhii Andrukh, Yevheniia Livoshchenko, Ludmila Livoshchenko
J. Ecol. Eng. 2023; 24(12):152-157
DOI: https://doi.org/10.12911/22998993/173006
 

Fungal Treatment and Wheat Straw Blend for Enhanced Animal Feed from Olive Pulp
Mohamed Benaddou, Hassan Hajjaj, Mohammed Diouri
J. Ecol. Eng. 2023; 24(12):187-200
DOI: https://doi.org/10.12911/22998993/172423
 

The Use of Binders of Natural Origin to Improve the Technology of Creating Fuel Briquettes from Wood Waste
Myroslav S. Malovanyy, Nataliya Vronska, Ivan Tymchuk, Volodymyr Zhuk, Oleksandr Moroz, Nataliya Chornomaz
J. Ecol. Eng. 2023; 24(11):314-320
DOI: https://doi.org/10.12911/22998993/171901
 

Biogas Production from Manure of Camel and Sheep Using Tomato and Rumen as Co-Substrate
Mariam Alharbi, Fathiya Alseroury, Boshra Alkthami
J. Ecol. Eng. 2023; 24(11):54-61
DOI: https://doi.org/10.12911/22998993/170984
 

Performance Study on Cathode Microporous Layer Using Biomass Activated Carbon for Passive Direct Ethanol Fuel Cell
Panuwat Ekdharmasuit, Jiratchaya Sapkitjakarn, Phuritutphong Sangwanangkool, Akarasingh Bampenrat, Hussanai Sukkathanyawat
J. Ecol. Eng. 2023; 24(10):214-224
DOI: https://doi.org/10.12911/22998993/170709
 

Investigation of the Ability of Producing Eco-Friendly Roller Compacted Concrete Using Waste Material
Abdullah T. Tarrad, Zena K. Abbas
J. Ecol. Eng. 2023; 24(10):277-289
DOI: https://doi.org/10.12911/22998993/170708
 

The Potential of Bio-Try Briquettes for Biomass Power Plant in Aceh Province – Case Study in South West Aceh, Indonesia
Agustiar Agustiar, Tajuddin Bantacut, Moh. Romli, Bambang Pramudya, Muhammad Reza Aulia
J. Ecol. Eng. 2023; 24(10):115-124
DOI: https://doi.org/10.12911/22998993/170079
 

A Numerical Study to Determine the Effect of an Insulator Location on the Transient Heat Transfer
Ridha Hameed Mageed, Hayder J. Kurji, Ali A. Abdulrasool
J. Ecol. Eng. 2023; 24(10):105-114
DOI: https://doi.org/10.12911/22998993/170035
 

Hydrothermal Synthesis and Characterization of Sodium Bismuth Titanate for Photocatalytic Applications
Mohammed Mesrar, Abdelhalim Elbasset, Imane El Mrabet, Hicham Zaitan, Farid Abdi, Nor-Said Echatoui, Taj-dine Lamcharfi
J. Ecol. Eng. 2023; 24(10):185-197
DOI: https://doi.org/10.12911/22998993/169458
 

Study of Optical and Electrochemical Properties of Solvent-Dependent Natural Dye Extracted from Rivina humilis L
Hasniah Aliah, Ryan Nur Iman, Sriwidati Sriwidati, Asti Sawitri, Andhy Setiawan, Assa Prima Dasti Putri, Fera Kurniawati
J. Ecol. Eng. 2023; 24(9):312-321
DOI: https://doi.org/10.12911/22998993/169418
 

A Study of Energy Efficiency Simulation Programs and Energy Saving Optimization Analysis of Building Envelopment Parameters in Turkey
Mustafa Obaid Omar Baneaez, Mustafa Tahir Akkoyunlu
J. Ecol. Eng. 2023; 24(9):202-217
DOI: https://doi.org/10.12911/22998993/169178
 

Statistical Analysis of the Productivity of Phytocoenoses of Energy Cultures due to Implementation of Wastewater Sediment on Aluvisols of Ukraine
V. Lopushniak, H. Hrytsuliak, Y. Voloshin, Н. Lopushniak, V. Bogoslavets, T. Kalyn, A. Kotsyubynsky, Volodymyr Chupa
J. Ecol. Eng. 2023; 24(9):192-201
DOI: https://doi.org/10.12911/22998993/169161
 

Characteristics of Hybrid Biopellet Based on Oil Palm Wood and Natural Activated Charcoal as a Renewable Alternative Energy Source
Indra Mawardi, Mawardi Razali, Zuhaimi Zuhaimi, Akhyar Ibrahim, Zaini Akadir, Hanif Razak, Nurlaili Nurlaili, Ariefin Ginting, Adi Saputra Ismy, Jenne Syarif
J. Ecol. Eng. 2023; 24(9):80-91
DOI: https://doi.org/10.12911/22998993/168412
 

Removal of Nitrate from Aqueous Solution by Bio-Calcium from Iraqi Eggshells
Zahraa Hameed Al-Agili
J. Ecol. Eng. 2023; 24(9):10-18
DOI: https://doi.org/10.12911/22998993/167486
 

Transforming Bubble Wrap and Packaging Plastic Waste into Valuable Fuel Resources
Mega Mutiara Sari, Takanobu Inoue, Rofiah Rofiah, Iva Yenis Septiariva, Wisnu Prayogo, I Wayan Koko Suryawan, Nur Novilina Arifianingsih
J. Ecol. Eng. 2023; 24(8):260-270
DOI: https://doi.org/10.12911/22998993/166554
 

Physicochemical and Mechanical Characterization of Ceramic Materials from Meknes Region (Morocco)
Hamza Mesrar, Laila Mesrar, Raouf Jabrane
J. Ecol. Eng. 2023; 24(8):183-197
DOI: https://doi.org/10.12911/22998993/166393
 

Optimization of Response Surface Methodology for Removal of Cadmium Ions from Wastewater using Low Cost Materials
Risalah A. Mohammed, Maryam Jawad Abdulhasan, Shahad A. Raheem, Abeer I. Alwared, Noor A. Mohammed, Rand Fadhil Kadhim, Alaa Dhari Jawad Al-Bayati
J. Ecol. Eng. 2023; 24(8):146-156
DOI: https://doi.org/10.12911/22998993/166371
 

The Chemical-Physical and Quality Parameters of Woods Pellets Generated from Revegetation Reclamation of Post-Coal Mining Land
Lulu Yuningsih, Eddy Ibrahim, Marsi Marsi, Novitri Hastuti, Hermansyah Hermansyah
J. Ecol. Eng. 2023; 24(8):43-51
DOI: https://doi.org/10.12911/22998993/165895
 

Treatment of Acid Mine Drainage in a Bioelectrochemical System, Based on an Anodic Microbial Sulfate Reduction
Anatoliy Angelov, Svetlana Bratkova, Rosen Ivanov, Polina Velichkova
J. Ecol. Eng. 2023; 24(7):175-186
DOI: https://doi.org/10.12911/22998993/164755
 

Reducing the Reactive Powder Concrete Weight by Using Building Waste as Replacement of Cement
Zena K. Abbas, Hayder A. Al-Baghdadi, Raghad Sameer Mahmood, Estabraq Shawqi Abd
J. Ecol. Eng. 2023; 24(8):25-32
DOI: https://doi.org/10.12911/22998993/164748
 

Valorization of Banana Bunch Waste as a Feedstock via Hydrothermal Carbonization for Energy Purposes
Sani Maulana Sulaiman, Gunawan Nugroho, Hendri Maja Saputra, Djaenudin Djaenudin, Dani Permana, Novi Fitria, Herlian Eriska Putra
J. Ecol. Eng. 2023; 24(7):61-74
DOI: https://doi.org/10.12911/22998993/163350
 

Influence of Sieve Size on Calorific Value and Proximate Properties of Bio-Briquette Composites
Hasniah Aliah, Indri Winarti, Ryan Nur Iman, Andhy Setiawan, Rizky Safarina, Asti Sawitri
J. Ecol. Eng. 2023; 24(7):25-34
DOI: https://doi.org/10.12911/22998993/163309
 

A Study on Modeling and Experiment of a Wave Energy Converter Using Mechanical Coupled with Hydraulic Power Take-off
Binh Phan Cong, Tri Truong Quang, Hai Nguyen Le Dang, Long Nhut-Phi Nguyen
J. Ecol. Eng. 2023; 24(8):12-24
DOI: https://doi.org/10.12911/22998993/163174
 

Verification of Dead Zones Generated in Bioreactors as a Proactive Stage in Bioreactor Design
Mahmood K.H. Al-Mashhadani
J. Ecol. Eng. 2023; 24(6):65-74
DOI: https://doi.org/10.12911/22998993/162472
 

Energy Valorization of Olive Mill Waste Cake – Extraction of Vegetable Oil and Transesterification
Imane Mehdaoui, Zineb Majbar, El Mokhtar Saoudi Hassani, Rachid Mahmoud, Ibrahim Atemni, Mohammed Ben Abbou, Mustapha Taleb, Zakia Rais
J. Ecol. Eng. 2023; 24(5):306-315
DOI: https://doi.org/10.12911/22998993/161806
 

The Influence of Olive Oil Waste as a Biofuel on the Exhaust Gases of the Internal Combustion Engine
Munaf D.F. Al-Aseebee, Ahmed Samir Naje
J. Ecol. Eng. 2023; 24(5):322-328
DOI: https://doi.org/10.12911/22998993/161168
 

Developing the Competences of Future Waste Management Engineers
Joanna Kostecka, Agnieszka Podolak, Mariola Garczyńska, Anna Mazur-Pączka, Grzegorz Pączka
J. Ecol. Eng. 2023; 24(4):333-342
DOI: https://doi.org/10.12911/22998993/161077
 

Refuse Derived Fuel Potential Production from Temple Waste as Energy Alternative Resource in Bali Island
I Made Wahyu Wijaya, I Gusti Ngurah Made Wiratama, I Kadek Ardi Putra, Azmi Aris
J. Ecol. Eng. 2023; 24(4):288-296
DOI: https://doi.org/10.12911/22998993/161015
 

Reduction of Greenhouse Gas Emissions by Replacing Fertilizers with Digestate
Alina Kowalczyk-Juśko, Patrycja Pochwatka, Jakub Mazurkiewicz, Jakub Pulka, Barbara Kępowicz, Damian Janczak, Jacek Dach
J. Ecol. Eng. 2023; 24(4):312-319
DOI: https://doi.org/10.12911/22998993/161013
 

Methane Production from Food Garbage Under the Batch and Semi-Continuous Anaerobic Digestion
Nguyen Cong Thuan, Fujimoto Tokihiko, Ngan Nguyen Vo Chau
J. Ecol. Eng. 2023; 24(4):264-278
DOI: https://doi.org/10.12911/22998993/160508
 

Simple and Combined Pretreatment of a Mixture of Forestry and Aromatic-Medicinal Plant Waste by Chemical, Physical and Enzymatic Methods
Ahmed Bendaoud, Abdelkhalek Belkhiri, Mohammed Maai, Tarik Moubchir, Anouar Hmamou, Sara Tlemcani, Noureddine Eloutassi, Amal Lahkimi
J. Ecol. Eng. 2023; 24(4):376-383
DOI: https://doi.org/10.12911/22998993/160094
 

Characteristics of Charcoal Briquettes from Rice Husk Waste with Compaction Pressure Variations as an Alternative Fuel
Mega Ayu Yusuf, Yus Witdarko, Wiyan Afriyanto Pamungkas, Parjono Parjono, Suryadi Suryadi
J. Ecol. Eng. 2023; 24(4):237-243
DOI: https://doi.org/10.12911/22998993/159966
 

Application of the Thermophilic Fermentation Method to Obtain Environmentally Friendly Organic Fertilizer
Zulfiya E. Bayazitova, Aigul S. Kurmanbayeva, Zhulduz O. Tleuova, Nurgul G. Temirbekova
J. Ecol. Eng. 2023; 24(4):202-216
DOI: https://doi.org/10.12911/22998993/159647
 

Analysis of the Use of Biochar from Organic Waste Pyrolysis in Agriculture and Environmental Protection
Tomasz Niedziński, Jan Łabętowicz, Wojciech Stępień, Tadeusz Pęczek
J. Ecol. Eng. 2023; 24(4):85-98
DOI: https://doi.org/10.12911/22998993/159347
 

Performance Analysis of a Thermoelectric Cooler Placed between Two Thermoelectric Generators for Different Heat Transfer Conditions
Sameh Alsaqoor
J. Ecol. Eng. 2023; 24(4):27-35
DOI: https://doi.org/10.12911/22998993/159337
 

Power and Energy Optimization of Carbon Based Lithium-Ion Battery from Water Spinach (Ipomoea Aquatica)
Budi Santoso, Muhammad Imam Ammarullah, Sri Haryati, Armin Sofijan, Muhammad Djoni Bustan
J. Ecol. Eng. 2023; 24(3):213-223
DOI: https://doi.org/10.12911/22998993/158564
 

Agro-industrial Waste Upgrading via Torrefaction Process – A Case Study on Sugarcane Bagasse and Palm Kernel Shell in Thailand
Akarasingh Bampenrat, Hussanai Sukkathanyawat, Teeraya Jarunglumlert
J. Ecol. Eng. 2023; 24(3):64-75
DOI: https://doi.org/10.12911/22998993/157423
 

New Material Nanocomposite Thermoplastic Elastomer with Low Cost Hybrid Filler Oil Palm Boiler Ash/Carbon Black
Nurdin Bukit, Erna Frida, Ferry Rahmat Astianta Bukit, Bunga Fisikanta Bukit, Perdinan Sinuhaji
J. Ecol. Eng. 2023; 24(2):302-308
DOI: https://doi.org/10.12911/22998993/156903
 

Evaluation of the Energy Capacity of the Controlled Landfill from Mohamedia Benslimane by Three Theoretical Methods – Land Gem, IPCC, and TNO
Ahlam Idrissi Oukili, Mostafa Chhiba
J. Ecol. Eng. 2023; 24(2):19-30
DOI: https://doi.org/10.12911/22998993/156624
 

Semi-Continuous Anaerobic Digestion of Water Hyacinth with Different Volatile Solid Levels for Biogas Production – A Mesocosm Experiment
Nguyen Cong Thuan, Huynh Cong Khanh
J. Ecol. Eng. 2023; 24(2):230-237
DOI: https://doi.org/10.12911/22998993/156622
 

Manufacture of Clay Aggregate Doped with Pozzolan Destined for Lightweight Concrete
Hamza Mesrar, Abdelhamid Touache, Laila Mesrar, Raouf Jabrane
J. Ecol. Eng. 2023; 24(1):349-359
DOI: https://doi.org/10.12911/22998993/156183
 

Contaminants Removal from Real Refinery Wastewater Associated with Energy Generation in Microbial Fuel Cell
Noor Mohsen Jabbar, Saja Mohsen Alardhi, Thaer Al-Jadir, Hayder Abed Dhahad
J. Ecol. Eng. 2023; 24(1):107-114
DOI: https://doi.org/10.12911/22998993/156081
 

Utilizing Merbau Wood and Coconut Shell Wastes as Biofuel in the Form of Pellets
Gianova Vierry Prasetyadi, Johanes Pramana Gentur Sutapa
J. Ecol. Eng. 2023; 24(1):172-178
DOI: https://doi.org/10.12911/22998993/156057
 

Bioethanol Production from Chlorella Pyrenoidosa by Using Enzymatic Hydrolysis and Fermentation Method
Muhammad Yerizam, Asyeni Miftahul Jannah, Nabila Aprianti
J. Ecol. Eng. 2023; 24(1):34-40
DOI: https://doi.org/10.12911/22998993/156000
 

Effect of Dosing PIX 113 Coagulant to the Batch on Mesophilic Fermentation Process and Reducing Hydrogen Sulfide Content in Biogas
Dariusz Kozłowski, Katarzyna Ignatowicz
J. Ecol. Eng. 2022; 23(11):286-293
DOI: https://doi.org/10.12911/22998993/154771
 

The Effect of the Packing Flow Area and Biogas Flow Rate on Biogas Purification in Packed Bed Scrubber
Leila Kalsum, Rusdianasari Rusdianasari, Abu Hasan
J. Ecol. Eng. 2022; 23(11):49-56
DOI: https://doi.org/10.12911/22998993/153569
 

Design and Construction of a Mini Laminar Airflow Cabinet to Support Laboratory Activities in Aseptic Condition
Yenni Putri Sari
J. Ecol. Eng. 2022; 23(11):281-285
DOI: https://doi.org/10.12911/22998993/153490
 

Solar Park – Opportunity or Threat for Vegetation and Ecosystem
Dan Uldrijan, Martin Černý, Jan Winkler
J. Ecol. Eng. 2022; 23(11):1-10
DOI: https://doi.org/10.12911/22998993/153456
 

Utilization of Conventional Battery Framework with Bioelectrolyte Based on Blood Shell and Sugarcane Bagasse
Renita Manurung, Aufa Nurul Khadijah, Intan Rahayu, Alwi Gery Agustan Siregar
J. Ecol. Eng. 2022; 23(11):228-234
DOI: https://doi.org/10.12911/22998993/153455
 

Anode Modification with Reduced Graphene Oxide–Iron Oxide Improves Electricity Generation in Microbial Fuel Cell
Dawid Nosek, Agnieszka Cydzik-Kwiatkowska
J. Ecol. Eng. 2022; 23(10):147-153
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Influence of Growth Regulators with Anti–Stress Activity on Productivity Parameters of Sinapis alba L.
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Functionalization of Gold Nanoparticles for the Detection of Heavy Metals in Contaminated Water Samples in the Province of Tayacaja
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Eco-district, an Ideal Framework to Initiate Large-Scale Urban Energy Renovation in Morocco
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Optimization of Palm Oil Boiler Ash Biomass Waste as a Source of Silica with Various Preparation Methods
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Experimental Investigation and Simulation of Slow Pyrolysis Process of Arabica Coffee Agroindustry Residues in a Pilot-Scale Reactor
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Process Performance of Thermophilic Anaerobic Co-Digestion of Municipal Sewage Sludge and Orange Peel
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