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A downstream process with microemulsion extraction for microbial transformation in cloud point system

Paper ID Volume ID Publish Year Pages File Format Full-Text
4411 225 2008 6 PDF Available
Title
A downstream process with microemulsion extraction for microbial transformation in cloud point system
Abstract

A downstream process strategy for a whole microbial transformation to produce l-phenylacetylcarbinol (PAC) in a nonionic surfactant Triton X mediated cloud point system was developed. By application of a Winsor I microemulsion, the product and the nonionic surfactant in the microbial transformation broth was separated successfully. Then the nonionic surfactant was recovered with a Winsor II microemulsion. In a single stage Winsor I microemulsion extraction process, the product recovery ratio 76.9% and the nonionic surfactant recovery ratio 66.5% were achieved. A discrete countercurrent extraction operation was also carried out to improve the separation efficiency. Finally, character of the recovery nonionic surfactant was also examined.

Keywords
Wm, oil in water microemulsion; Om, water in oil microemulsion; D, bicontinuous phase microemulsion; HLB, hydrophile–lipophile balance value; CMC, critical micelle concentration; PAC, l-phenylacetylcarbinolNonionic surfactant; Cloud point system; Liquid–l
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A downstream process with microemulsion extraction for microbial transformation in cloud point system
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biochemical Engineering Journal - Volume 41, Issue 1, 1 August 2008, Pages 24–29
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