CONTINUOUS GLYCEROL PRODUCTION BY THE SULFITE PROCESS WITH IMMOBILIZED CELLS OF SACCHAROMYCES-CEREVISIAE

被引:14
作者
HECKER, D [1 ]
BISPING, B [1 ]
REHM, HJ [1 ]
机构
[1] UNIV MUNSTER,INST MIKROBIOL,W-4400 MUNSTER,GERMANY
关键词
D O I
10.1007/BF00164730
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
Glycerol fermentations by the sulphite process with immobilized yeast cells were carried out successfully in continuous culture in a fixed-bed column reactor. In comparison to continuous glycerol fermentations with free yeast cells, fourfold higher dilution rates were obtained. The stability of the immobilized cell system was dependent on dilution rate (D) and temperature. Glycerol yields were influenced by the ratio of sugar to Na2SO3 in the feed. At a flow rate of D = 0.06 h -1 glycerol concentrations up to 25 g1 -1 were measured in the effluent with an average volumetric productivity of 35 g 1 -1 per day. A constant production rate was maintained for nearly 9 months. © 1990 Springer-Verlag.
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收藏
页码:627 / 632
页数:6
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