ENHANCED ALCOHOL YIELDS IN BATCH CULTURES OF CLOSTRIDIUM-ACETOBUTYLICUM USING A 3-ELECTRODE POTENTIOMETRIC SYSTEM WITH METHYL VIOLOGEN AS ELECTRON CARRIER

被引：40

作者：

PEGUIN, S ^{[1
]}

DELORME, P ^{[1
]}

GOMA, G ^{[1
]}

SOUCAILLE, P ^{[1
]}

机构：

[1] INRA,INST NATL SCI APPL,CTR BIOINGN GILBERT DURAND,CNRS,URA 544,LA,F-31077 TOULOUSE,FRANCE

来源：

BIOTECHNOLOGY LETTERS | 1994年 / 16卷 / 03期

关键词：

D O I：

10.1007/BF00134624

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Batch cultures of Clostridium acetobutylicum at controlled pH values of 5 and 5.5 were carried out in a three-electrode potentiometric system with methyl viologen (1 mM) as electron carrier. Although an irreversible loss of methyl viologen at the electrode surface was observed, a significant increase in alcohol yield was obtained. In comparison to control fermentation with or without methyl viologen addition; the butanol yield improvements were respectively of 7 or 51% at pH 5, and 56 or 467% at pH 5.5.

引用

页码：269 / 274

页数：6

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