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BIODIESEL A RENEWABLE ALTERNATE CLEAN AND ENVIRONMENT FRIENDLY FUEL FOR PETRODIESEL ENGINES: A REVIEW

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Author(s): RASHID ALI

Journal: International Journal of Engineering Science and Technology
ISSN 0975-5462

Volume: 3;
Issue: 10;
Start page: 7707;
Date: 2011;
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Keywords: Biodiesel | Blends | Particulate Matter | Unburned Hydrocarbons | Carbon Mono-oxide | NOx Emissions

ABSTRACT
The paper presented a comparative study of emissions produced by engine using biodiesel as a fuel or in blends with emissions produced by engine using petrodiesel as a fuel. Biodiesel is a renewable fuel that is almost compatible with commercial diesel engines and has clear benefits relative to diesel fuel including enhanced biodegradation, reduced toxicity and lower emission profile. The emissions produced from biodiesel are generally lower than petrodiesel fuel. It can be used either in pure form or as blends on conventional petrodiesel in automobiles without any major modifications. A B20 (refers 20% biodiesel and 80% petrodiesel by volume) blend fuel reduced particulate emissions, carbon mono-oxide and unburned hydrocarbons by 22%, 20% and 30% respectively. Such a blend will give better cold flow properties compared with neat B100 biodiesel (100% biodiesel). A B35 (refers 35% biodiesel and 65% petrodiesel by volume) reduces the amount of particulate matter by about 20%.
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