HYDRODYNAMIC BEHAVIOR OF 500 L SUSPENDED-BED BIOREACTOR SUITABLE FOR CONTINUOUS ETHANOL FERMENTATION USING FLOCS

白凤武; 冯朴荪; 谢健; 李宁

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HYDRODYNAMIC BEHAVIOR OF 500 L SUSPENDED-BED BIOREACTOR SUITABLE FOR CONTINUOUS ETHANOL FERMENTATION USING FLOCS

更新时间：2025-12-16

- HYDRODYNAMIC BEHAVIOR OF 500 L SUSPENDED-BED BIOREACTOR SUITABLE FOR CONTINUOUS ETHANOL FERMENTATION USING FLOCS
- CIESC Journal Issue 1, (1995)
- 作者机构：
  
  大连理工大学化学工程研究所!大连116012,大连理工大学化学工程研究所!大连116012,大连理工大学化学工程研究所!大连116012,大连理工大学化学工程研究所,大连,116012
- 作者简介：
- 基金信息：
- DOI：
  CLC： Q920
- Online First：25 February 1995，
  
  Published：25 February 1995
- 稿件说明：
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白凤武, 冯朴荪, 谢健, et al. HYDRODYNAMIC BEHAVIOR OF 500 L SUSPENDED-BED BIOREACTOR SUITABLE FOR CONTINUOUS ETHANOL FERMENTATION USING FLOCS[J]. CIESC Journal, 1995, (1).
DOI：

白凤武, 冯朴荪, 谢健, et al. HYDRODYNAMIC BEHAVIOR OF 500 L SUSPENDED-BED BIOREACTOR SUITABLE FOR CONTINUOUS ETHANOL FERMENTATION USING FLOCS[J]. CIESC Journal, 1995, (1). DOI：

摘要

利用某些酵母细胞的自身强絮凝能力形成颗粒

以固定化细胞法实现酒精连续发酵

近年来引起了人们的极大关注。与通常的各种载体固定化细胞法相比

它具有方法简单、过程经济的突出优点

而且反应器中无载体充填

可以获得更高的菌体浓度

进而强化反应器的设备生产强度指标。然而

这种由细胞自身絮凝形成的颗粒有很大的特殊性。一方面

它的形状、结构极不规则

颗粒的大小在一定的条件下呈特定的分布。另一方面

颗粒间具有粘连性

且自身强度弱

不耐流体剪切

在培养与发酵过程中要求与基质呈均匀的悬浮状态。因而

开发研制适宜的生物反应器

并解决其工程放大问题成为这一技术能否工业化的关键。

Abstract

Using the floes self - flocculated from Schizosaccharomyces pombe

the hydrddy-namic behavior in the suspended -bed bioreactor with a working volume 500L was studied. It was discovered that the washing -out and shearing breakage for floes caused by CO2 turbulence could not be neglected when this bioreactor was scaled -up. Further

a design mechanism for an industrial - scale suspended - bed bioreactor was proposed

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