Temperature control at different bed depths in a novel solid-state fermentation system with two dynamic changes of air

被引：35
作者：
Chen, HZ [1 ]
Xu, J
Li, ZH
机构：
[1] Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100080, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
来源：
BIOCHEMICAL ENGINEERING JOURNAL | 2005年 / 23卷 / 02期
关键词：
bioreactor; two dynamic changes of air; heat transfer; solid-state fermentation; optimization;
D O I：
10.1016/j.bej.2004.11.003
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：
A novel and effective bioreactor with two dynamic changes of air (including air pressure pulsation and internal air circulation) was developed and tested. It could enhance the heat transfer and effectively control the temperature variation in the process of solid-state fermentation (SSF) for cellulase production through changing the pressure range of air pulsation, air pulsation period and rate of internal air circulation and so on. After the optimization of the operating conditions, the maximum temperature gradient in the dynamic system with a bed height of 9.0 cm was 0.12degreesC cm(-1). (C) 2004 Elsevier B.V. All rights reserved.
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收藏
页码：117 / 122
页数：6
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