Recovery of 2,3-Butanediol by Vacuum Membrane Distillation

N. Qureshi; M. M. Meagher; R. W. Hutkins

doi:10.1080/01496399408002168

Recovery of 2,3-Butanediol by Vacuum Membrane Distillation

N. Qureshi, M. M. Meagher, R. W. Hutkins

Food Science and Technology

Research output: Contribution to journal › Article › peer-review

56 Scopus citations

Abstract

A vacuum membrane distillation process using a microporous polytetrafluoroethylene (PTFE) membrane was developed to concentrate 2,3-butanediol from model 2,3-butanediol solutions and fermentation broths. A 0.22-μm PTFE membrane passed water vapor while retaining 2,3-butanediol. Water flux through the membrane was 4 kg/m²·h at 35°C and 12-14 kg/m²·h at 55°C. Medium components, especially yeast extract and fermentation broth, reduced flux as compared to model solutions. Using this process, butanediol was concentrated from 40 g/L to about 650 g/L in the model solution, and when integrated to a fed-batch reactor, 2,3-butanediol was concentrated to over 430 g/L.

Original language	English (US)
Pages (from-to)	1733-1748
Number of pages	16
Journal	Separation Science and Technology
Volume	29
Issue number	13
DOIs	https://doi.org/10.1080/01496399408002168
State	Published - Aug 1 1994

Keywords

2,3-Butanediol
Fermentation
Recovery
Vacuum membrane distillation

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)
Process Chemistry and Technology
Filtration and Separation

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10.1080/01496399408002168

Cite this

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abstract = "A vacuum membrane distillation process using a microporous polytetrafluoroethylene (PTFE) membrane was developed to concentrate 2,3-butanediol from model 2,3-butanediol solutions and fermentation broths. A 0.22-μm PTFE membrane passed water vapor while retaining 2,3-butanediol. Water flux through the membrane was 4 kg/m2·h at 35°C and 12-14 kg/m2·h at 55°C. Medium components, especially yeast extract and fermentation broth, reduced flux as compared to model solutions. Using this process, butanediol was concentrated from 40 g/L to about 650 g/L in the model solution, and when integrated to a fed-batch reactor, 2,3-butanediol was concentrated to over 430 g/L.",

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Recovery of 2,3-Butanediol by Vacuum Membrane Distillation

Abstract

Keywords

ASJC Scopus subject areas

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