Operating conditions for high production rates of ethanol in a continuous two-stage fermenter with cell recycle

被引：0

作者：

Nishiwaki, A ^{[1
]}

Dunn, IJ

机构：

[1] Oyama Natl Coll Technol, Dept Mat Chem & Bioengn, Oyama 3230806, Japan

[2] ETH, Swiss Fed Inst Technol, Dept Chem Engn, CH-8092 Zurich, Switzerland

来源：

CANADIAN JOURNAL OF CHEMICAL ENGINEERING | 2005年 / 83卷 / 05期

关键词：

two-stage fermenter; cell recycle; ethanol productivity; model simulation;

D O I：

暂无

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A continuous two-stage fermenter with cell recycle at each stage is studied numerically for efficient production of ethanol. In this system, both filtrate and bleed from the first stage are provided to the second fermenter. Using a product-inhibition kinetic model with different saturation constants, operating conditions giving the maximum ethanol productivity attainable at high substrate conversions are examined. For high substrate conversions close to complete consumption, the ethanol productivities predicted for this system are found to be higher than those for a single-stage system and a previous two-stage configuration at the same bleed ratios.

引用

页码：904 / 908

页数：5

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