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Rhizopus oryzae IFO 4697 whole cell catalyzed methanolysis of crude and acidified rapeseed oils for biodiesel production in tert-butanol system

Paper ID Volume ID Publish Year Pages File Format Full-Text
35711 45103 2007 5 PDF Available
Title
Rhizopus oryzae IFO 4697 whole cell catalyzed methanolysis of crude and acidified rapeseed oils for biodiesel production in tert-butanol system
Abstract

Whole cell Rhizopus oryzae (R. oryzae) IFO4697 immobilized within biomass support particles (BSPs) was used as catalyst for biodiesel production in tert-butanol, in which the stability of the catalyst could be enhanced significantly. Different feedstocks (refined, crude and acidified rapeseed oils) were adopted further for biodiesel production in tert-butanol system and it was found that when acidified rapeseed oil was used as feedstocks, the reaction rate and final methyl ester (ME) yield were significantly higher than that of refined and crude rapeseed oil. Major differences among the aforementioned oils were found to be the contents of free fatty acid (FFA), water and phospholipids, which showed varied influences on whole cell mediated methanolysis for biodiesel production. The reaction rate increased with the increase of free fatty acid content in oils; water content had varied influence on reaction rate and biodiesel yield; using adsorbent to remove excessive water could increase biodiesel yield significantly (from 73 to 84%); it was also found interestingly that phospholipids contained in oils could increase the reaction rate to a certain extent.

Keywords
Biodiesel; Free fatty acids; Crude and acidified rapeseed oils; Whole cell; Methanolysis; Tert-butanol
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Rhizopus oryzae IFO 4697 whole cell catalyzed methanolysis of crude and acidified rapeseed oils for biodiesel production in tert-butanol system
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 42, Issue 11, November 2007, Pages 1481–1485
Authors
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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