Abstract

ABSTRACT In this study, biodiesel is produced from linseed oil by transesterification process. The first step includes the transesterification process to produce biodiesel. In the second step, the performance study of a diesel engine with diesel-biodiesel blends was carried out. Experiments concluded that variation in catalyst, methanol, and reaction time resulted in the different chemical compositions of the biodiesel. About 88% of the total biodiesel production consisted of 20% methanol, 1.5% KOH catalyst at 60°C temperature. The results also showed in comparison to the diesel fuel that blends of 10% biodiesel (LOME) and 90% diesel (B10) gives slightly higher thermal efficiency, lower carbon monoxide (CO), lower HC emission, lower brake specific fuel consumption (BSFC). In addition, higher smoke and lower NOx emission was found at lower load while slightly higher nitrogen oxide (NOx) emission was experienced at full load.

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