Selective extraction of acetic acid from the fermentation broth produced by Mannheimia succiniciproducens

被引:37
作者
Huh, YS
Hong, YK
Hong, WH
Chang, HN
机构
[1] Korea Adv Inst Sci & Technol, Dept Chem & Biomol Engn, Taejon 305701, South Korea
[2] Chungju Natl Univ, Dept Chem Engn, Chungju 380702, Chungbuk, South Korea
关键词
acetic acid; Mannheimia succiniciproducens; reactive extraction; succinic acid; tri-n-octylamine;
D O I
10.1023/B:BILE.0000045656.00138.93
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
Acetic acid is by-product from fermentation processes for producing succinic acid using Mannheimia succiniciproducens. To obtain pure succinic acid from the final fermentation broth, acetic acid was selectively removed based on the different extractability of succinic acid and acetic acid with pH using tri-n-octylamine (TOA) as extractant. When successive batch extractions were performed using 0.25 mol TOA kg(-1) dissolved in 1-octanol at pH 5, the mol ratio of succinic acid to acetic acid before extraction was 4.9 and the final ratio after the fourth batch was 9.4.
引用
收藏
页码:1581 / 1584
页数:4
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