Characteristics of multiphase flow, mixing and transport phenomena in airlift loop reactor

HUANG Qingshan; ZHANG Weipeng; YANG Chao; MAO Zaisha

doi:10.3969/j.issn.0438-1157.2014.07.008

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Characteristics of multiphase flow, mixing and transport phenomena in airlift loop reactor

更新时间：2025-12-10

- Characteristics of multiphase flow, mixing and transport phenomena in airlift loop reactor
- CIESC Journal Issue 7, Pages: 2465-2473(2014)
- 作者机构：
  
  1. 中国科学院青岛生物能源与过程研究所, 中国科学院生物燃料重点实验室,山东,青岛,266101
  2. 中国科学院过程工程研究所, 中国科学院绿色过程与工程重点实验室,北京,100190
  3. 南京九章化工科技有限公司,江苏,南京,211800
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2014.07.008
  CLC： B126
- Online First：05 July 2014，
  
  Published：05 July 2014
- 稿件说明：
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HUANG Qingshan, ZHANG Weipeng, YANG Chao, et al. Characteristics of multiphase flow, mixing and transport phenomena in airlift loop reactor[J]. CIESC Journal, 2014, (7): 2465-2473.
DOI：

HUANG Qingshan, ZHANG Weipeng, YANG Chao, et al. Characteristics of multiphase flow, mixing and transport phenomena in airlift loop reactor[J]. CIESC Journal, 2014, (7): 2465-2473. DOI： 10.3969/j.issn.0438-1157.2014.07.008.

摘要

由于环流反应器内存在定向循环，与鼓泡塔反应器相比，其混合性能大幅提升，已广泛应用于许多工业过程，如发酵、反应器结晶等工业过程，近年来成为国内外学者研究的热点。针对环流反应器内操作条件下的流动形态、流体力学（包括相含率分布、循环液速、混合时间以及离集指数等）及传质/传热特性，总结了其最新研究进展，分析了相含率尤其是固含率变化对反应器中关键参数如循环液速和化学反应速率的影响，展望了从机理上研究相互耦合的多相流动、传质/传热和化学反应规律，为进一步推动其工业应用提供参考。

Abstract

Compared to bubble columns

the mixing performance in an airlift loop reactor is significantly improved due to the presence of regular fluid flow

which has been widely applied in many chemical processes

such as fermentation and crystallization. Therefore

it has become a hot research topic in recent years. The flow regimes

hydrodynamic characteristics (including phase holdup

circulation velocity

mixing time and segregation index) and mass/heat transfer characteristics are reviewed in this paper. The influence of dispersed holdups

especially that of solid on the key parameters in the reactor

such as circulation liquid velocity and chemical reaction rates

is analyzed. In addition

a perspective is given on multi-disciplinary study of multiphase flow

mass/heat transfer and chemical reactions with mechanistic models in order to promote the industrial application.

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