The characteristics of performance and exhaust emissions of a diesel engine using a biodiesel with antioxidants

• Published in: Bioresource technology 2010, Vol.101 (1), p.S78-S82
• Main Author: Ryu, Kyunghyun
• Format: Article
• Language: English
• Subjects: alpha-Tocopherol - chemistry; Antioxidant; Antioxidants; Antioxidants - chemistry; Biodiesel; Bioelectric Energy Sources; biomass; BSFC; Butylated Hydroxyanisole - chemistry; Butylated Hydroxytoluene - chemistry; combustion; Diesel engines; emissions; Exhaust emission; Exhaust emissions; fatty acid esters; fatty acid methyl esters; Fuels; Hydroquinones - chemistry; Molecular Structure; Molecular Weight; Motor Vehicles; Oxidation-Reduction; Oxidative stability; Propyl Gallate - chemistry; Quality standards; renewable energy sources; Running; soybean oil; Soybean Oil - chemistry; Stability; Vehicle Emissions - analysis
• ISSN: 0960-8524; 1873-2976
• DOI: 10.1016/j.biortech.2009.05.034

The aim of this study is to investigate the effects of antioxidants on the oxidation stability of biodiesel fuel, the engine performance and the exhaust emissions of a diesel engine. Biodiesel fuel used in the study was derived from soybean oil. The results show that the efficiency of antioxidants is in the order TBHQ > PrG > BHA > BHT > α-tocopherol. The oxidative stability of biodiesel fuel attained the 6-h quality standard with 100 ppm TBHQ and with 300 ppm PrG in biodiesel fuel. Combustion characteristics and exhaust emissions in diesel engine were not influenced by the addition of antioxidants in biodiesel fuel. The BSFC of biodiesel fuel with antioxidants decreased more than that of biodiesel fuel without antioxidants, but no trends were observed according to the type or amount of antioxidant. Antioxidants had few effects on the exhaust emissions of a diesel engine running on biodiesel.