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Biodiesel has been gaining increased attention as a nontoxic, biodegradable and renewable new green alternative diesel fuel. Production of biodiesel can be synthesized by chemical or by lipase methods, while lipase method has more advantages compared to chemical synthetic method. In this article, the microbial strains with activity of lipase were isolated from long time oil-contaminated soil and strain...
In this study, we produce biodiesel from jatropha oil through enzymatic synthesis in a re circulated packed bed reactor (PBR). A solvent free system by three stepwise addition of one equivalent molar methanol in each step was chosen for this study. The enzyme was Lipozyme IM, a 1, 3 regiospecific immobilized lipase from Mucor miehei. Initially, we scrutinized the appropriate amount of lipase by varied...
Deoiled Jatropha curcas seed meal (DJSM), a chief waste material of oil extraction industry, will be generated on a large scale due to the growing interest in using Jatropha curcas seed oil as a feedstock for the production of biodiesel. Up to now, there is very little work on viable approach for the use of DJSM to the best of our knowledge. This article reports our studies on the utilization of this...
The activity behavior of Novozym 435 treated with organic solvents was investigated, and the influence of several crucial parameters, including Novozym 435 dosage, oil to methanol molar ratio, reaction time and type of monohydric alcohol, on biodiesel yield was also addressed using tert-butanol as co-solvent. The results showed that the functional group as well as log P of organic solvents was an...
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