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Title of Paper:絮凝酵母颗粒悬浮床反应器中试及酒精连续发酵工艺的研究

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Date of Publication:1995-01-01

Journal:生物工程学报

Included Journals:PKU、CSCD

Volume:11

Issue:3

Page Number:255

ISSN No.:1000-3061

Key Words:絮凝酵母颗粒; 悬浮床反应器; 酒精连续发酵

Abstract:在小型悬浮床反应器研究絮凝颗粒酵母酒精连续发酵工艺的基础上,建立了单釜反应器有效容积0.5m~3、二级串联的中试装置。以淀粉糖化液为底物,考察了悬浮床反应器由小试到中试的放大效应,提出了该反应器工业放大时对危险截面表观气速应加以限制的原则,以保证絮凝酵母颗粒不被剪切破坏。进而在平均稀释率为0.10h~(-1)的条件下,中试装置稳定运转一个月,获得终点发酵液中酒精浓度80~85g/L,残糖低于5.0g/L,设备平均生产酒精8.4g/L·h的结果。

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