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The Effect of Carbon Nanotubes on Emitted Pollutants from a Domestic Boiler Powered by Diesel and Biodiesel Fuels
 
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1
Applied Science Private University, Renewable Energy Technology Department, P.O. Box 541350, Amman 11937, Jordan
 
2
The University of Jordan, Mechanical Engineering Department, Amman 11942, Jordan
 
3
Al-Zaytoonah University of Jordan, Faculty of Engineering and Technology, Department of Alternative Energy Technology, Amman 11733, Jordan.
 
4
Palestine Polytechnic University, Electrical Engineering Department, Hebron, Palestine
 
 
Corresponding author
Eman Abdelhafez   

Al-Zaytoonah University of Jordan, Faculty of Engineering and Technology, Department of Alternative Energy Technology, Amman 11733, Jordan.
 
 
J. Ecol. Eng. 2024; 25(8)
 
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ABSTRACT
In the present study, the effect of biofuel and nano biofuel on the performance of a domestic boiler was investigated and compared with those emitted during the burning of diesel fuel. The biofuel was produced from waste cooking oil using Potassium hydroxide (KOH) as a catalyst. Carbon Nanotubes (CNT) with different concentrations of 0.05% /L, 0.1% /L, 0.15% /L, 0.2% /L, and 0.25% /L were added to the produced Biodiesel to form a nano biofuel that was used to power a domestic boiler for demonstration purposes. The obtained performance results were compared using the same boiler when operating with biofuel and nano biofuel, respectively. When operated with different CNT concentrations, the emitted species from the boiler were also investigated by sampling the exhaust gases in each studied case. This study revealed that the boiler's performance when operated with CNT was enhanced by decreasing the toxic emitted gasses and increasing the outlet water temperature compared to the case of the boiler with the biofuel alone. It increased the outlet water temperature and decreased NOx (ppm) emissions.
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