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Lipase immobilized carbon nanotubes for conversion of Jatropha oil to fatty acid methyl esters

Title
Lipase immobilized carbon nanotubes for conversion of Jatropha oil to fatty acid methyl esters
Author
Deep, Akash
Keywords
Bioimmobilized CNTs; Biocatalysis; Fatty acid methyl esters; Jatropha curcus; Enzymatic activity
Issue Date
2015-06
Publisher
Elsevier
Citation
Biomass and Bioenergy, v. 81, Page. 83-87
Abstract
Lipase has been immobilized on multi-walled carbon nanotubes (MWCNTs) through the reaction of the carboxylated nanotubes with the enzyme in the presence of N-hydroxysulfosuccinimide (NHS) and 1-ethyl-3-[3-dimethylaminopropyl]carbodiimide hydrochloride. Successful immobilization has been verified by infrared spectroscopy and scanning electron microscopy. The synthesized biomaterial has been used for catalyzing the conversion of Jatropha oil to the fatty acid methyl esters (FAME). Progress of the conversion reaction has been monitored with NIR spectroscopy. Gas chromatographic studies have indicated that the use of lipase-MWCNT bioconjuagate leads to almost quantitative conversion of Jatropha oil to the FAME. Around 1 h of the reaction, in the presence of around 15% of catalyst (mass fraction of catalyst on the total mixture), has yielded the desired results. The above used catalyst support has been regenerated 10 times without any adverse effect on the enzyme activity. (c). 2015 Elsevier Ltd. All rights reserved.
URI
http://www.sciencedirect.com/science/article/pii/S0961953415300222http://hdl.handle.net/20.500.11754/25926
ISSN
0961-9534; 1873-2909
DOI
10.1016/j.biombioe.2015.06.008
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > CIVIL AND ENVIRONMENTAL ENGINEERING(건설환경공학과) > Articles
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