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Topic Recovery of valuable materials and fuels

 

In-vitro Digestibility Organic Materials – Relation with Field Mass Loss Litter Bag Method
João Ricardo Sousa, Abhishek Singh, Karen Ghazaryan, Rupesh Kumar Singh, Henrique Trindade, João Coutinho
J. Ecol. Eng. 2024; 25(8):253-263
DOI: https://doi.org/10.12911/22998993/189947
 

Utilizing the Eutrophication in Bioresources Recovery and Biogas Production – A Case Study in Egypt
Mohamed Khalil, Elena Ficara, Nicola Colaninno, Amro El-Baz
J. Ecol. Eng. 2022; 23(12):299-313
DOI: https://doi.org/10.12911/22998993/155082
 

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
 

Pyrolytic Liquid Fuel – An Alternative for Producing Electrical Energy in Mexico
José Nolasco Cruz, Juan José López Ávila, Karla Donjuan Martínez, Irma Pérez Hernández, Álvaro Daniel Zavariz
J. Ecol. Eng. 2022; 23(12):227-232
DOI: https://doi.org/10.12911/22998993/153454
 

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
 

Beneficiation and Upgrading of Low-Grade Feldspar Ore in Medina, Saudi Arabia
Mousa Hasen Gougazeh
J. Ecol. Eng. 2022; 23(6):271-277
DOI: https://doi.org/10.12911/22998993/147834
 

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
 

Biodiesel Production from Crude Palm Oil Using Kapok Skin KOH (Ceiba Pentandra) Catalyst as Solid Green Catalyst
Jalaluddin Jalaluddin, Zainuddin Ginting, Syariful Maliki, Arif Setiawan, Zulfa Zulfa
J. Ecol. Eng. 2022; 23(5):286-292
DOI: https://doi.org/10.12911/22998993/147404
 

Biosorbents from Mangifera indica L. Peel for the Recovery of Gold from Electronic Waste
Cesar V. Ortinero, Hannah N. Meim, Danila S. Paragas
J. Ecol. Eng. 2022; 23(5):102-108
DOI: https://doi.org/10.12911/22998993/147255
 

Effect of Organic Manure and Plant Growth Promoting Microbes on Yield, Quality and Essential Oil Constituents of Fennel Bulb (Foeniculum vulgare Mill.)
Ramy S. Nada, Ashmawi E. Ashmawi, Emad Mady, Timothy O. Randhir, Ahmed A. Elateeq
J. Ecol. Eng. 2022; 23(5):149-164
DOI: https://doi.org/10.12911/22998993/147252
 

Synthetic Gas Production from Fine Coal Gasification Using Low-Cost Catalyst
Akbar Andican, Muhammad Faizal, Muhammad Said, Nabila Aprianti
J. Ecol. Eng. 2022; 23(5):64-72
DOI: https://doi.org/10.12911/22998993/146766
 

Assessment of a Mining-Waste Dump of Galena Mine in the East of Morocco for Possible Use in Civil Engineering
Faiçal El Khazanti, Ahmed Rachid, Achraf Harrou, Hicham Nasri, Yassine Et-tayea, Meriam El Ouahabi, El Khadir Gharibi
J. Ecol. Eng. 2022; 23(4):336-349
DOI: https://doi.org/10.12911/22998993/146585
 

Changes of Nitrogen and Organic Compound During Co-Composting of Disposable Diaper and Vegetable Wastes on Aerobic Process
Ellina Sitepu Pandebesie, Idaa Warmadewanthi, Susi Agustina Wilujeng, Minar Saraswati Simamora
J. Ecol. Eng. 2022; 23(4):228-234
DOI: https://doi.org/10.12911/22998993/144944
 

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
 

Extraction and Characterization of Silicon Dioxide from Volcanic Ash of Mount Sinabung, Indonesia: A Preliminary Study
Moraida Hasanah, Timbangen Sembiring, Zuriah Sitorus, Syahrul Humaidi, Fynnisa Zebua, Rahmadsyah Rahmadsyah
J. Ecol. Eng. 2022; 23(3):130-136
DOI: https://doi.org/10.12911/22998993/145479
 

Preliminary Investigation of Bioplastics from Durian Seed Starch Recovery Using PEG 400 for Reducing Marine Debris
Mirna Apriani, Luqman Cahyono, Agung Prasetyo Utomo, Anggara Trisna Nugraha, Alfira Dwi Cahya Ningrum
J. Ecol. Eng. 2022; 23(2):12-17
DOI: https://doi.org/10.12911/22998993/144824
 

Identification of Potential Phytoaccumulator Plants from Tailings Area as a Gold Phytomining Agent
Riky Kurniawan, Hamim Hamim, Cynhia Henny, Awalina Satya
J. Ecol. Eng. 2022; 23(1):169-181
DOI: https://doi.org/10.12911/22998993/143978
 

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
 

Study of The Fermentation Conditions of the Bacillus Cereus Strain ARY73 to Produce Polyhydroxyalkanoate from Glucose
Akram R. Yasin, Ithar K. Al-Mayaly
J. Ecol. Eng. 2021; 22(8):41-53
DOI: https://doi.org/10.12911/22998993/140326
 

Oil Recovery from Oilfield Produced Water Using Zinc Oxide Nano Particle as Catalyst in Batch and Continuous System
Hussein Ali Jabbar Alkhazraji, Mohammed Jaafar Ali Alatabe
J. Ecol. Eng. 2021; 22(8):278-286
DOI: https://doi.org/10.12911/22998993/140281
 

Bio Oil Production by Thermal and Catalytic Pyrolysis of Waste Tires
Dunya Ahmed Khalaf, Zaidun Naji Abudi, Saadi Muhammed Dhaher
J. Ecol. Eng. 2021; 22(8):189-199
DOI: https://doi.org/10.12911/22998993/140258
 

Study the Recycling of Red Mud in Iron Ore Sintering Process
Ahmed Abdelazim Elsayed Ibraheem Abdou Khalifa, Vladimir Yurievich Bazhin, Yana Vadimovna Kuskova, Ahmed Abdelrahim, Yasser Momtaz Zaki Ahmed
J. Ecol. Eng. 2021; 22(6):191-201
DOI: https://doi.org/10.12911/22998993/137966
 

Purification of Synthetic Gas from Fine Coal Waste Gasification as a Clean Fuel
Muhammad Faizal, Muhammad Said, Enggal Nurisman, Nabila Aprianti
J. Ecol. Eng. 2021; 22(5):114-120
DOI: https://doi.org/10.12911/22998993/135862
 

Analysis of Optimum Temperature and Calcination Time in the Production of CaO Using Seashells Waste as CaCO3 Source
Sarah Dampang, Endah Purwanti, Fredina Destyorini, Setyo Budi Kurniawan Budi Kurniawan, Siti Rozaimah Sheikh Abdullah, Muhammad Fauzul Imron
J. Ecol. Eng. 2021; 22(5):221-228
DOI: https://doi.org/10.12911/22998993/135316
 

Electro-Kinetic Remediation of Nickel from Contaminated Soil Using Bio remedies Banana Peels and Surfactant-Enhanced
Laith Hamdan Hawal, Lubna Al-Zubaidi, Serror Atta Allah
J. Ecol. Eng. 2021; 22(5):214-220
DOI: https://doi.org/10.12911/22998993/135315
 

Performance of Reactive Nitrogen in Leachate Treatment in Constructed Wetlands
Isni Arliyani, Bieby Voijant Tangahu, Sarwoko Mangkoedihardjo
J. Ecol. Eng. 2021; 22(5):205-213
DOI: https://doi.org/10.12911/22998993/135314
 

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
 

Characterisation and Reverse Engineering of Eco-friendly Historical Mortar: Qasr Tuba, Desert Castles in Jordan
Ayoup M. Ghrair, Adi J. Said, Naela Aldaoud, Riham Miqdadi, Ahmad A. L. Ahmad
J. Ecol. Eng. 2021; 22(3):121-134
DOI: https://doi.org/10.12911/22998993/132608
 

Distilled Spirit Extraction of Phenolic Antioxidants from Fruit and Vegetable Residues
Cesar Ortinero, Rosalie Rafael, Charmaine Eljie Rayos, Katherine Bautista, Mark Aldren Feliciano, Lexter Natividad, Gaudencio Natividad
J. Ecol. Eng. 2021; 22(1):125-131
DOI: https://doi.org/10.12911/22998993/128864
 

Biological leaching of copper, zinc, and cobalt from pyrometallurgical copper slags using Aspergillus niger and Penicillium ochrochloron
Plamen Simeonov Georgiev, Marina Nicolova, Irena Spasova, Mihail Iliev, Ralitza Ilieva
 

Analysis and evaluation of plastics waste management using exergy analysis
Halina Marczak, Iwona Rybicka
J. Ecol. Eng. 2025; 26(11)
 

Study of the effect of bacterial bioactivator on the content of phenolic compounds in Salvia sclarea L.
Aidai Turatbekova, Dilbar Mirzarakhmetova, Nan Shang, Gulnara Dzumaniyazova, Yunus Kenjaev, Zamira Abdushukurova, Umida Kurbanova, Nusratillo Toshpulatov, Ismoiljon Rozikov, Makhbuba Khayitova
J. Ecol. Eng. 2025; 26(10):272-290
 

Characteristics of bio-briquettes from candlenut shells as a renewable energy: Selection of adhesive type, adhesive concentration, and biochar 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
 

Characterization and genomic profiling of potential iron-reducing bacteria isolated from red mud for bioremediation
Akhmad Subkhan, Ainul Fitria Mahmudah, Shintawati Shintawati, Widi Astuti, Himawan Tri Bayu Murti Petrus, Matin Nuhamunada, Yekti Asih Purwestri
J. Ecol. Eng. 2025; 26(9):20-37
DOI: https://doi.org/10.12911/22998993/204641
 

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
 

Modeling adsorption of hexavalent chromium using a low-cost Jordanian olive stone waste adsorbent
Aymen Abdul Salam Awad
J. Ecol. Eng. 2025; 26(8):286-296
DOI: https://doi.org/10.12911/22998993/204163
 

Synthesis of tannic acid and chitosan-modified magnetic graphene oxide nanocomposite for metal recovery in low-grade ore
Nadeem Raza, Muhammad Jamil, Zeeshan Ali, Nicholas Wilkes, Muhammad Hayat, Tanveer Ul Haq, Muhammad Omar
J. Ecol. Eng. 2025; 26(8):367-380
DOI: https://doi.org/10.12911/22998993/204005
 

Optimized date palm waste composting: Accelerating maturity via C:N ratio and moisture adjustments using a rotary drum system
Abdelouahad Ouali, Fatima Hiouani, Khadidja Beribeche, Djamila Madani
J. Ecol. Eng. 2025; 26(8):120-131
DOI: https://doi.org/10.12911/22998993/203810
 

Research on the possibility of using biochar as a component of aluminate-calcium cement sustainable building composites
Paweł Woliński, Andrzej Szewczak, Wojciech Andrzejuk, Grzegorz Łagód, Tomasz Grudniewski, Milena Kapczuk, Seweryn Charczuk, Daniel Tokarski, Wioletta Agnieszka Żukiewicz-Sobczak, Irena Ickiewicz
J. Ecol. Eng. 2025; 26(7):295-307
DOI: https://doi.org/10.12911/22998993/203530
 

Sustainable energy recovery through hydrothermal co-processing of municipal solid waste and laundry wastewater
Moh. Rangga Sururi, Mila Dirgawati, Muhammad Faris Rifandi, Djaenudin Djaenudin, Herlian Eriska Putra
J. Ecol. Eng. 2025; 26(7):206-223
DOI: https://doi.org/10.12911/22998993/203424
 

Extraction of heavy metals and phosphorus from sewage sludge ashes
Tomasz Ciesielczuk, Mariusz Głowacki, Czesława Rosik-Dulewska, Joanna Poluszyńska
J. Ecol. Eng. 2025; 26(7):185-196
DOI: https://doi.org/10.12911/22998993/202871
 

Adsorption kinetics and isotherm study of ammonium and phosphate removal using magnesium-activated biochar
I Made Wahyu Wijaya
J. Ecol. Eng. 2025; 26(6):62-75
DOI: https://doi.org/10.12911/22998993/201996
 

Sustainable management of coastal organic waste: A pilot study on beach wrack treatment in reed bed system
Alicja Kupczyk
J. Ecol. Eng. 2025; 26(6):202-218
DOI: https://doi.org/10.12911/22998993/201994
 

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
 

Prediction of mass loss in different organic materials under field Mediterranean conditions: influence of the initial chemical quality
João Ricardo Sousa, Abhishek Singh, Karen Ghazaryan, Rupesh Kumar Singh, Vishnu D. Rahput, Henrique Trindade, J. Coutinho
J. Ecol. Eng. 2025; 26(5):181-194
DOI: https://doi.org/10.12911/22998993/200512
 

Valorization of concrete and brick waste as sustainable alternatives in lime mortar: physical, mechanical, and durability performance
Imad Raini, Imane Raini, Amine El Bougrini, Hicham Cherifi, Mostafa El Qandil
J. Ecol. Eng. 2025; 26(5):40-53
DOI: https://doi.org/10.12911/22998993/200279
 

Performance analysis of ordinary portland cement and portland pozzolan cement cement in improving sea sand and sea water concrete with zeolite powder
Wahyuni Wahyuni, Abdullah Abdullah, Sri Mulyati, Yulia Hayati
J. Ecol. Eng. 2025; 26(4):264-274
DOI: https://doi.org/10.12911/22998993/200278
 

Vapor absorption refrigeration under variable environmental conditions
Ahmed Qandil, Ali Othman, Nasser Abdellatif, Nabil Beithou, Mohammad Bani Khalid, Nader Aljabarin, Gabriel Borowski, Sameh Alsaqoor
J. Ecol. Eng. 2025; 26(3):381-389
DOI: https://doi.org/10.12911/22998993/199917
 

Impact of seed treatment with Azadirachta indica based silver nanoparticles on the early growth and resistance of soybean plant under drought stress
Subhan Arridho, Satriyas Ilyas, Tri Asmira Damayanti, Eny Widajati, Abdul Qadir
J. Ecol. Eng. 2025; 26(4):136-147
DOI: https://doi.org/10.12911/22998993/199819
 

Heavy metal removal from coal fly ash under alkaline conditions by indigenous bacteria isolated from a coal ash dumpsite
Yuni Lisafitri, Edwan Kardena, Qomarudin Helmy
J. Ecol. Eng. 2025; 26(4):83-97
DOI: https://doi.org/10.12911/22998993/199776
 

Physical, mechanical and thermal properties of composite board based on palm frond fibers and feather clam shells
Intan Zahar, Moraida Hasanah, Ali Hasimi Pane, Nur Esa Fahrizar, Nini Dea Mirabel, Hilda Ayu Marlina
J. Ecol. Eng. 2025; 26(4):59-70
DOI: https://doi.org/10.12911/22998993/199590
 

Synthesis of sulfated zirconia-HY zeolite catalysts doped by platinum metal for hydroisomerization reaction
Sura K. Al-Taweel, Haider Abdulkareem Aljendeel, Ban A. Al-Tabbakh
J. Ecol. Eng. 2025; 26(3):147-158
DOI: https://doi.org/10.12911/22998993/199586
 

Characterization of the products from waste wind turbine blades thermal utilization
Krystian Krochmalny, Mateusz Wnukowski, Tomasz Hardy, Michał Czerep, Marcin Rusin
J. Ecol. Eng. 2025; 26(5):15-27
DOI: https://doi.org/10.12911/22998993/199466
 

Production of eco-friendly clay bricks from municipal construction and demolition waste
Imane Raini, Raini Imad, Hicham El Asmi, Ilias Obda, laila Mesrar, Raouf Jabrane
J. Ecol. Eng. 2025; 26(3):296-308
DOI: https://doi.org/10.12911/22998993/199456
 

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
 

Eco-performant mortar with clay shale from Settat, Morocco: Thermal, mechanical, and environmental analysis
Ayoub Souileh, Latifa Ouadif, Khadija Baba, Khaoula Doughmi, Ilham Masrour, Achraf Mabrouk, Mohammed Chrachmy, Khadija Benhaddou
J. Ecol. Eng. 2025; 26(3):86-98
DOI: https://doi.org/10.12911/22998993/195975
 

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
 

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
 

Evaluating the Long-Term Effects of Recycled Wastewater Irrigation on Soil Health, Crop Yield, and Ecological Sustainability in Arid Regions
Kulyash Meiramkulova, Aliya Kydyrbekova, Assel Kydyrbekova, Gulnur Daldabayeva, Otarbayev Bauyrzhan, Abzal Shegenbayev, Bostandyk Khalkhabay, Aigul Baikenzheyeva, Perizat Bulanbayeva, Timoth Mkilima
J. Ecol. Eng. 2024; 25(12):10-25
DOI: https://doi.org/10.12911/22998993/193079
 

Isolation and Characterization of Bacterial Strains with Organic-Degrading Potential for Municipal Wastewater Treatment
Kamshat Kulzhanova, Zhanar Tekebayeva, Aliya Temirbekova, Aidana Bazarhankyzy, Aslan Temirkhanov, Gulmira Bissenova, Timoth Mkilima, Zinigul Sarmurzina
J. Ecol. Eng. 2024; 25(11):55-69
DOI: https://doi.org/10.12911/22998993/192683
 

The Effect of Plasticizer Type and Concentration on Cellulose Acetate-Based Bioplastic from Durian Skin
Rahmatullah Rahmatullah, Rizka Wulandari Putri, Leily Nurul Komariah, Harry Waristian, Alek Al Hadi, Kavin Handoko, Muhamad Fadhil Gufron
J. Ecol. Eng. 2024; 25(11):70-82
DOI: https://doi.org/10.12911/22998993/192677
 

Study on the Quality Improvement of Mixed Municipal Solid Waste by Greenhouse Blackout Tarp with Biodrying System
I Made Wahyu Widyarsana, Raisa Sevina
J. Ecol. Eng. 2024; 25(11):200-209
DOI: https://doi.org/10.12911/22998993/192673
 

Growth Kinetic and Biodiesel Lipid Extraction of Nannochloropsis oculata Microalgae in a Photobioreactor under Varying Salinity Conditions
Hussein Jabar Khadim, Hala Naseer Abdelkareem, Hala Ali Meer Hussein, Ahmed Isam Mohamed
J. Ecol. Eng. 2024; 25(11):46-54
DOI: https://doi.org/10.12911/22998993/192636
 

Direct Contact Membrane Distillation of Artificial Urine for Sugar Beet Production in a Hydroponic System
Mohammad Tarikuzzaman, Muhammad Aamir Iqbal, Joan G. Lynam
J. Ecol. Eng. 2024; 25(10):252-260
DOI: https://doi.org/10.12911/22998993/192174
 

Reuse of Date Fruit Processing Waste as Substrate for Biological Nanocellulose Production – A Sustainable Disposal Approach
Husam D. Al-Hamaiedeh, Omar A. Al-Badrani, Laith M. Najeeb, Khawla D. Al-Hamaideh
J. Ecol. Eng. 2024; 25(10):318-330
DOI: https://doi.org/10.12911/22998993/192037
 

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
 

The Impact of Different Extraction Conditions on the Concentration and Properties of Dissolved Organic Carbon in Biochars Derived from Sewage Sludge and Digestates
Justyna Kujawska, Edyta Wojtaś, Barbara Charmas
J. Ecol. Eng. 2024; 25(9):92-100
DOI: https://doi.org/10.12911/22998993/190882
 

Synthesis and Characterization of Acidic Activated Carbon from Corncobs for Adsorption Desulfurization of Simulated Crude Oil
Yousuf Oday, Haider Abdulkareem Al-Jendeel
J. Ecol. Eng. 2024; 25(8):141-150
DOI: https://doi.org/10.12911/22998993/189895
 

Valorization of Iron Ore Tailings from Nador, Morocco, as a Sustainable Additive in the Manufacture of Red Clay Fired Bricks
Faiçal EL Khazanti, Ahmed Rachid, Meriam El Ouahabi, Hicham Nasri, Dounia Azerkane, Yassine Et-Tayea, El Khadir Gharibi
J. Ecol. Eng. 2024; 25(7):137-150
DOI: https://doi.org/10.12911/22998993/187956
 

Identification of Oil Degrading Bacteria from Oil-Contaminated Soil in the Northeastern Part of Jordan
Mohammad Mahmoud Aladwan, Basem Fou'ad Dababneh, Husni Shukri Farah, Mai Abdel Haleem Abusalah
J. Ecol. Eng. 2024; 25(5):306-320
DOI: https://doi.org/10.12911/22998993/186502
 

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
 

Variability of Soil Microorganism Numbers in Response to Exogenous Organic Matter and Water-Absorbing Substrate
Milena Truba, Jacek Sosnowski, Barbara Wróbel, Piotr Krasnodębski
J. Ecol. Eng. 2024; 25(3):223-233
DOI: https://doi.org/10.12911/22998993/181172
 

Efficacy of Compost and Vermicompost on Growth, Yield and Nutrients Content of Common Beans Crop (Phaseolus vulgaris L.)
Batool Al-Tawarah, Muawya A. Alasasfa, Atif Y. Mahadeen
J. Ecol. Eng. 2024; 25(2):215-226
DOI: https://doi.org/10.12911/22998993/176862
 

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
 

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
 

Tests on the Application of Various Types of Biomass for Activated Carbon Production
Iwona Skoczko, Remigiusz Guminski
J. Ecol. Eng. 2024; 25(1):285-302
DOI: https://doi.org/10.12911/22998993/174223
 

Optimizing Electrodialytic Recovery of Mineral Ions from Bittern Wastewater Using D-Optimality Design
Anita Dwi Anggrainy, Afrah Zhafirah Sinatria, Arseto Yekti Bagastyo, Zuhaida Mohd-Zaki
J. Ecol. Eng. 2023; 24(10):369-379
DOI: https://doi.org/10.12911/22998993/170707
 

Pyrolysis of Date Stones Using Natural Activated Kaolin as a Catalyst – Optimization of Variables and Identification of Bio-Oil
Ahmed S. Ibrahim, Abdelrahman B. Fadhil
J. Ecol. Eng. 2023; 24(10):225-241
DOI: https://doi.org/10.12911/22998993/170276
 

Mechanical and Thermal Properties of HDPE Thermoplastic with Oil Palm Boiler Ash Nano Filler
Nurdin Bukit, Karya Sinulingga Sinulingga, Abd Hakim S S Hakim, Makmur Sirait Sirait, Bunga Fisikanta Bukit Bukit
J. Ecol. Eng. 2023; 24(9):355-363
DOI: https://doi.org/10.12911/22998993/169470
 

Characteristics of Silica Powder Extracted from Fly Ash of Coal Fired Power Plant: Effect of Heat Treatment Process
Nurmalita Nurmalita, Syahrun Nur Abdulmadjid, Adi Setiawan, Rinaldi Idroes, Zulkarnain Jalil
J. Ecol. Eng. 2023; 24(9):282-292
DOI: https://doi.org/10.12911/22998993/169289
 

Case Study on the Use of Sewage Sludge for the Reclamation of Mining Sites Contaminated with Heavy Metals
Agnieszka Petryk
J. Ecol. Eng. 2023; 24(9):171-182
DOI: https://doi.org/10.12911/22998993/169160
 

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 Amoxicillin from an Aqueous Solution by Activated Carbon Prepared from Biomass
Abdellah Touijer, El Habib Yahia, Mohamed Saidi, Hamid Taouil, Mohamed Allaoui, Saïd Ibn Ahmed
J. Ecol. Eng. 2023; 24(9):63-79
DOI: https://doi.org/10.12911/22998993/168350
 

Catalytic Gasification of Fine Coal Waste Using Natural Zeolite to Produce Syngas as Fuel
Nabila Aprianti, Muhammad Faizal, Muhammad Said, Subriyer Nasir, Muhrinsyah Fatimura, Rully Masriatini, Ian Kurniawan, Aan Sefentry
J. Ecol. Eng. 2023; 24(9):1-9
DOI: https://doi.org/10.12911/22998993/167487
 

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
 

Comparison of Two Biosorbent Beads for Methylene Blue Discoloration in Water
Gani Purwiandono, Puji Lestari
J. Ecol. Eng. 2023; 24(8):137-145
DOI: https://doi.org/10.12911/22998993/166319
 

Mechanical Properties of Polypropylene Composites with different Reinforced Natural Fibers – A Comparative Study
Pintor Simamora, Josua Simanjuntak, Karya Sinulingga, Andromeda Dwi Laksono
J. Ecol. Eng. 2023; 24(7):311-317
DOI: https://doi.org/10.12911/22998993/164757
 

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
 

Evaluating the In-Site Sorting of Solid Waste in Selected Educational Institutions – A Pilot Study
Husam Al-Hamaiedeh, Enam AL-Rafiaha, Omar Al-Khashman, Osama Mohawesh, Ali El Hanandeh
J. Ecol. Eng. 2023; 24(5):137-143
DOI: https://doi.org/10.12911/22998993/161617
 

Thermochemical Degradation of Polypropylene – Energy and Exergy Analysis in a Tubular Reactor
Jose Nolasco, Irma Pérez Hernández, María de Lourdes Castellanos Villalobo, Angélica Pérez Henández, Juan José López Ávila
J. Ecol. Eng. 2023; 24(5):14-21
DOI: https://doi.org/10.12911/22998993/161079
 

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
 

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 Char from Low-Rank Coal Gasification
Marwan Asof, Susila Arita, Winny Andalia
J. Ecol. Eng. 2023; 24(4):78-84
DOI: https://doi.org/10.12911/22998993/159400
 

Analysis of the Possibility of Heavy Metal Ions Removal from Aqueous Solutions on Fruit Pomace
Małgorzata Krasowska, Małgorzata Kowczyk-Sadowy, Ewa Szatyłowicz, Sławomir Obidziński
J. Ecol. Eng. 2023; 24(3):169-177
DOI: https://doi.org/10.12911/22998993/158381
 

Bacterial and Fungal-Mineral Interactions and their Application in Bioremediation – A Review
Renjbar Muksy, Kamal Kolo, Shorish Mustafa Gorony
J. Ecol. Eng. 2023; 24(5):1-13
DOI: https://doi.org/10.12911/22998993/157567
 

Assessment of Ultrasound-Assisted Extraction of Caffeine and its Bioactivity
Salsabeel R. Hassan, Atheer M. Al Yaqoobi
J. Ecol. Eng. 2023; 24(3):126-133
DOI: https://doi.org/10.12911/22998993/157540
 

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
 

Optimization of Particle Size and Ramie Fiber Ratio on Hybrid Bio Panel Production from Oil Palm Trunk as Thermal Insulation Materials
Indra Mawardi, Nurdin Nurdin, Fakhriza Fakhriza, Samsul Rizal, Sri Aprilia, Muhammad Faisal, Ramadhansyah Putra Jaya
J. Ecol. Eng. 2023; 24(2):39-49
DOI: https://doi.org/10.12911/22998993/156830
 

Desulfurization of Crude Oil by Laboratory Developed Multipumping Flow Injection Analysis System with Optimization by Response Surface Methodology
Ahmed Abdulrazzaq Hadi, Ali Abdulkhabeer Ali, Mohammed Turki Khathi
J. Ecol. Eng. 2023; 24(2):328-339
DOI: https://doi.org/10.12911/22998993/156662
 

Energy Inputs on the Production of Plastic Products
Halina Marczak
J. Ecol. Eng. 2022; 23(9):146-156
DOI: https://doi.org/10.12911/22998993/151815
 

Optimization of Palm Oil Boiler Ash Biomass Waste as a Source of Silica with Various Preparation Methods
Bunga Fisikanta Bukit, Erna Frida, Syahrul Humaidi, Perdinan Sinuhaji, Nurdin Bukit
J. Ecol. Eng. 2022; 23(8):193-199
DOI: https://doi.org/10.12911/22998993/150694
 

The Behavior of Jordanian Oil Shale during Combustion Process from the El-Lajjun Deposit
Mousa Gougazeh, Sameh Alsaqoor, Gabriel Borowski, Ashraf Alsafasfeh, Ismail I. Hdaib
J. Ecol. Eng. 2022; 23(8):133-140
DOI: https://doi.org/10.12911/22998993/150682
 

Natural Gas Flaring in Nigeria, its Effects and Potential Alternatives – A Review
Francis B. Elehinafe, Chizitelu I. Nwizu, Olayemi B. Odunlami, Feyisayo D. Ibukun
J. Ecol. Eng. 2022; 23(8):141-151
DOI: https://doi.org/10.12911/22998993/149822
 
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