Optimization of alkali-catalyzed transesterification of rubber oil for biodiesel production & its impact on engine performance
2020
Vishal, Devesh | Dubey, Shivesh | Goyal, Rahul | Dwivedi, Gaurav | Baredar, Prashant | Chhabra, Mayank
Rubber (Hevea brasilienis) is a plantation crop grown in various regions of India. It is a non-edible oil source and has excellent potential for being a biodiesel feedstock. The major problem with crude rubber seed oil is its high free fatty acid (FFA) content (37.46%). The present study has used the Box-Behnken response surface method to minimize the FFA content of the oil. FFA content of 1.31% was obtained with alcohol to oil molar ratio of 6.652:1 and 0.5 wt% of H2SO4 catalyst at a reaction temperature of 63.75 °C in 50 min. The results of engine testing indicated a decrease in fuel consumption by 50.23% for RB10 and 47.74% for RB20 when compared with neat diesel. The thermal efficiency was reduced by 12.16% for RB10 and 14.74% for RB20. The emission analysis revealed that HC emissions were increased by 22.3% for RB10 and by 41.72% for RB20. There was a decrease in NOx emissions by 21.5% for RB10 and by 21.7% for RB20 while the CO2 emissions were reduced by 46.3% for RB10 and 49.54% for RB20 at full loading. The CO emissions were increased by 25% and 37.5% for RB10 and, respectively, when compared with diesel.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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