Novel L-aspartic acid production system using an immobilized cell catalyst

被引:1
|
作者
Mukouyama, M [1 ]
Yasuda, S [1 ]
机构
[1] Nippon Shokubai, Strateg Technol Res, Tsukuba, Ibaraki 3050856, Japan
来源
SCIENCE AND TECHNOLOGY IN CATALYSIS 2002 | 2003年 / 145卷
关键词
D O I
10.1016/S0167-2991(03)80305-1
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Aspartase gene recombinant Eseberichia coli cells were immobilized on the surface of spherical beads. Ammonium fumarate solution was passed through a column which packed these immobilized cells at 20degreesC. The conversion of the ammonium fumarate through which by LHSV=10-20 was 99% or more. L-aspartic acid was separated by adding fumaric acid to serve both as a precipitant and raw materials. It was possible to use the filtrate for the next reaction by readjustment.
引用
收藏
页码:553 / 554
页数:2
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