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Mechanism study on NS81006-mediated methanolysis of triglyceride in oil/water biphasic system for biodiesel production

Paper ID Volume ID Publish Year Pages File Format Full-Text
35769 45106 2010 5 PDF Available
Title
Mechanism study on NS81006-mediated methanolysis of triglyceride in oil/water biphasic system for biodiesel production
Abstract

Compared to immobilized lipase, soluble lipase has the merits of lower cost and faster reaction rate, thus much attention has been paid to soluble lipase-mediated methanolysis for biodiesel (fatty acid methyl ester, FAME) production in recent years. Our previous study showed that soluble lipase NS81006 could effectively catalyze the methanolysis of soybean oil (triglyceride, TG) for FAME preparation in oil/water biphasic system. Study on the related mechanism of soluble lipase NS81006-mediated methanolysis of TG was carried out in this paper. Based on the analysis of substances change in the reaction process, mechanism model was hypothesized and the model parameters were simulated by Matlab. The simulated model was validated further. The results showed that in the reaction process of soluble lipase NS81006-mediated methanolysis of TG in oil/water biphasic system, TG proceeded three-step hydrolysis to generate FFA (free fatty acid), and then FFA transformed into FAME by esterification with methanol. During the whole process, FFA is mainly generated through the hydrolysis of TG and intermediate DG (diglyceride), while the hydrolysis of FAME could be ignored.

Keywords
Biodiesel; Soluble lipase; Mechanism; Methanolysis; Triglyceride
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Mechanism study on NS81006-mediated methanolysis of triglyceride in oil/water biphasic system for biodiesel production
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 45, Issue 4, April 2010, Pages 446–450
Authors
, , , ,
Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us