Two-stage electrodialytic concentration of glyceric acid from fermentation broth

被引：13

作者：

Habe, Hiroshi ^{[1
]}

Shimada, Yuko ^{[2
]}

Fukuoka, Tokuma ^{[1
]}

Kitamoto, Dai ^{[1
]}

Itagaki, Masayuki ^{[2
]}

Watanabe, Kunihiko ^{[2
]}

Yanagishita, Hiroshi ^{[1
]}

Sakaki, Keiji ^{[1
]}

机构：

[1] Natl Inst Adv Ind Sci & Technol, Res Inst Innovat Sustainable Chem, Tsukuba, Ibaraki 3058565, Japan

[2] Tokyo Univ Sci, Dept Ind Chem, Chiba 2788510, Japan

来源：

JOURNAL OF BIOSCIENCE AND BIOENGINEERING | 2010年 / 110卷 / 06期

关键词：

Glycerol use; Glyceric acid concentration; Acetobacter tropicalis; Desalting electrodialysis; Water-splitting electrodialysis; MODEL SOLUTION; RECOVERY;

D O I：

10.1016/j.jbiosc.2010.07.003

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：

The aim of this research was the application of a two-stage electrodialysis (ED) method for glyceric acid (GA) recovery from fermentation broth. First, by desalting ED, glycerate solutions (counterpart is Na+) were concentrated using ion-exchange membranes, and the glycerate recovery and energy consumption became more efficient with increasing the initial glycerate concentration (30 to 130 g/l). Second, by water-splitting ED, the concentrated glycerate was electroconverted to GA using bipolar membranes. Using a culture broth of Acetobacter tropicalis containing 68.6 g/l of D-glycerate, a final D-GA concentration of 116 g/l was obtained following the two-stage ED process. The total energy consumption for the D-glycerate concentration and its electroconversion to D-GA was approximately 0.92 kWh per 1 kg of D-GA. (C) 2010, The Society for Biotechnology, Japan. All rights reserved.

引用

页码：690 / 695

页数：6

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