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International Journal of Microbiology and Biotechnology Research

Volume 1, Issue 1, 2014
Mcmed International
International Journal of Microbiology and Biotechnology Research
Issn
XXX-XXXX (Print), XXXX-XXXX (Online)
Frequency
bi-annual
Email
editorijmbr@mcmed.us
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Abstract
Title
A DETAILED STUDY ON TRANSESTERIFICATION AND WASHING STRATEGIES INVOLVED IN THE PRODUCTION OF BIODIESEL FROM JATROPHACURCAS
Author
N. Supraja
Email
krishna.supraja@gmail.com
keyword
Jatropha curcas, Other refined oils, Biodiesel, Trans esterification, Free fatty acids.
Abstract
A technique to produce biodiesel from crude Jatropha curcas seed oil (JCO) having high free fatty acids (15%FFA) has been developed. Biodiesel production has been considered as one of the most promising renewable resources for Transportation. Therefore, it is necessary to quantify and verify the energy efficiency and the environmental impacts of biodiesel production from the Jatropha curcas and some refined oils. Thus, the objectives of this paper are the first step was carried out with 0.60 w/w methanol-to-oil ratio in the presence of 1% w/w H2SO4 as an acid catalyst in 1-h reaction at 50°C. After the reaction, the mixture was allowed to settle for 2 h and the methanol–water mixture separated at the top layer was removed. The second step was trans esterified using 0.24 w/w methanol to oil and 1.4% w/w NaOH to oil as alkaline catalyst to produce biodiesel at 70°C. The final yield for methyl esters of fatty acids was achieved ca. 90% in 2 h. The results showed that biodiesel production from Jatropha curcas consume much higher Biodiesel than other refined oils. The highest fossil-based energy consumption was in the trans esterification process, followed by the plantation and oil extraction.
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