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A combined bioprocess of biodiesel production by lipase with microbial production of 1,3-propanediol by Klebsiella pneumoniae

Paper ID Volume ID Publish Year Pages File Format Full-Text
4526 230 2008 5 PDF Available
Title
A combined bioprocess of biodiesel production by lipase with microbial production of 1,3-propanediol by Klebsiella pneumoniae
Abstract

A novel integrated bioprocess combining biodiesel production by lipase with microbial production of 1,3-propanediol (1,3-PD) by Klebsiella pneumoniae using a hollow fiber membrane was investigated. Glycerol, a byproduct produced during the transesterification, can pass through the membrane and is converted to 1,3-PD directly by K. pneumoniae. The highest conversion of biodiesel obtained after 20 h was 84%, and the molar yield and productivity of 1,3-PD were 0.47 mol mol−1 and 1.7 g l−1 h−1, respectively. Although partial methanol (11% of the total methanol) penetrated into fermentation broth with glycerol, its effects on cell growth and products formation were not significant. The combined bioprocess avoids glycerol inhibition on lipase, reduces the production cost and raises productivity for biodiesel and 1,3-PD.

Keywords
Biodiesel; Combined bioprocess; Glycerol; Membrane; 1,3-Propanediol
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A combined bioprocess of biodiesel production by lipase with microbial production of 1,3-propanediol by Klebsiella pneumoniae
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biochemical Engineering Journal - Volume 40, Issue 3, 1 July 2008, Pages 537–541
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