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International Journal of Automotive Technology > Volume 7(4); 2006 > Article
International Journal of Automotive Technology 2006;7(4): 399-406.
COMBUSTION CHARACTERISTICS OF ESTERIFIED RICE BRAN OIL AS AN ALTERNATIVE FUEL IN A DIESEL ENGINE
S. H. CHOI, Y. T. OH
Chonbuk National University
ABSTRACT
The smoke emission of diesel engines is being recognized as one of the major source of the air pollution problems. This study investigates the potential of esterified rice bran oil to reduce smoke emission as an alternative fuel for diesel engines. Because the esterified rice bran oil has approximately a 10.5% oxygen content, the combustion of the diesel engine improved and exhaust smoke decreased. Gas chromatography was used to analyze not only the total amount of hydrocarbon but also the amount of hydrocarbon components from C1 to C6 in the exhaust gas to determine an exact source responsible for the remarkable reduction in the smoke emission. The number of individual hydrocarbon (C1~C6) as well as the total amount of hydrocarbon of esterified rice bran oil reduced significantly compared to that of hydrocarbon of diesel fuel.
Key Words: Esterified rice bran oil, Diesel engine, Hydrocarbon, Smoke emission, Chromatogram, Alternative fuel
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