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Desalination of glutamine fermentation broth by electrodialysis

Paper ID Volume ID Publish Year Pages File Format Full-Text
36397 45131 2006 5 PDF Available
Title
Desalination of glutamine fermentation broth by electrodialysis
Abstract

An electrodialytic process was proposed to achieve an efficient desalination of glutamine (Gln) fermentation broth. Several electrodialytic experiments using different combinations of anion- and cation-exchange membranes were carried out, and a set of satisfactory combination of membranes was selected for the desalination. The effects of operational current density and pH on desalination and glutamine recovery were investigated and discussed. The electrical current efficiency and the energy consumption were also studied. The loss of glutamine could be reduced effectively when the current density was kept at 204 A/m2 and pH was controlled near the isoelectric point of glutamine (pI: 5.65) during the process. The clear solution after this electrodialytic desalination can meet the further simple separation of glutamine from the solution using anion-exchange resin.

Keywords
Electrodialysis; Ion-exchange membrane; Fermentation broth; Glutamine; Desalination; Separation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 41, Issue 3, March 2006, Pages 716–720
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
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