International Journal of Energy and Environmental Research (IJEER)

EA Journals

greenhouse gases emission; biodiesel; jatropha curcas seed oil

Evaluation of the Rate of Reduction of Greenhouse Gases from Diesel Engine Powered with Jatropha Curcas Seed Oil Blend Diesel (Published)

As part of the effort to reduce greenhouse gases emissions and lower its negative effects on climate change, this study was conceived with the aim of evaluating the rate of reduction of greenhouse gases emission from diesel engine powered with Jatropha Curcas seed oil blend diesel. The study produced biodiesel from the oil extracted from the Jatrophha Curcas seed using trans-esterification method. The amount of CO2, SO2 and NO2 emitted from a diesel engine powered with conventional oil and jatropha biodiesel blend were determined to ascertain whether there was reduction or increment in percentage of emissions. Laboratory analysis of Jatropha Curcas oil shows that 131.9524g jatropha curcas seed yielded 90.559ml of biodiesel and 41.2437ml of glycerol. Conventional diesel and Jatropha curcas biodiesel produced has similar physiochemical characteristics confirmed through ASTM(US) and DIN(EN) hence their combustibility. CO2 emissions increased with increase in diesel at B100 and B50 while it decreases in B20 and B40. While NO2 emissions increased by 1% in all the revolutions per minute, SO2 was only detected at B100 and B50 emission of the greenhouse gases. From the questionnaire survey conducted at Egbema, it was found that gas flaring has serious adverse effect on vegetation in the area, significant negative effect on the economy of the area due to the rise in air pollution. The result of the laboratory experiments showed that blended green diesel reduces the emission of greenhouse gases from combustion of diesel. The study recommended adoption of renewable energy sources for the operation of the oil firms in Egbema the study therefore concluded that blended green diesel is a promising alternative fuel for internal combustion engines.

Keywords: greenhouse gases emission; biodiesel; jatropha curcas seed oil

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