MODELING AND ENGINEERING ANALYSIS OF ETHYLENE OXIDE SYNTHESIS IN THREE-PHASE BUBBLE COLUMN SLURRY REACTOR

WANG Hongshi; ZHU Bingchen

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MODELING AND ENGINEERING ANALYSIS OF ETHYLENE OXIDE SYNTHESIS IN THREE-PHASE BUBBLE COLUMN SLURRY REACTOR

更新时间：2025-12-10

- MODELING AND ENGINEERING ANALYSIS OF ETHYLENE OXIDE SYNTHESIS IN THREE-PHASE BUBBLE COLUMN SLURRY REACTOR
- CIESC Journal Issue 2, (2002)
- 作者机构：
  
  华东理工大学化学工程系
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 February 2002，
  
  Published：25 February 2002
- 稿件说明：
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WANG Hongshi, ZHU Bingchen. MODELING AND ENGINEERING ANALYSIS OF ETHYLENE OXIDE SYNTHESIS IN THREE-PHASE BUBBLE COLUMN SLURRY REACTOR[J]. CIESC Journal, 2002, (2).
DOI：

WANG Hongshi, ZHU Bingchen. MODELING AND ENGINEERING ANALYSIS OF ETHYLENE OXIDE SYNTHESIS IN THREE-PHASE BUBBLE COLUMN SLURRY REACTOR[J]. CIESC Journal, 2002, (2). DOI：

摘要

建立了加压三相鼓泡淤浆床环氧乙烷合成反应器的数学模型

计入了催化剂颗粒在床层中沉降形成沿床高浓度分布对反应的影响以及由于惰性液相载体部分返混对传递的影响

进一步利用经实验验证的上述数学模型模拟不同表观气速、床高、反应器直径 (扣除传热元件截面积 )、进口乙烯摩尔分数等参数对床层中催化剂浓度随床高的分布、出口环氧乙烷摩尔分数、环氧乙烷选择率以及单位质量催化剂环氧乙烷年产量的影响 .通过模拟分析预示了工业三相床环氧乙烷反应器的合理尺寸、表观气速、环氧乙烷选择率以及时空产率

为工业化提供必要的设计依据

Abstract

A mathematical model of ethylene oxide synthesis in three-phase bubble column slurry reactor is presented. It accounts for axial dispersion of liquid phase

settling-dispersion of catalyst and gas-liquid mass transfer. The effects of parameters

such as superficial gas velocity

height of three-phase slurry bed

diameter of reactor and molar fraction of ethylene in the feed syngas on axial distribution of catalyst concentration in the reactor

molar fraction of ethylene oxide in exit gas

selectivity of ethylene oxide and space-time yield were examined. Reasonable design parameters

such as the size of industrial reactor

superficial gas velocity

selectivity of ethylene oxide and space-time yield were predicted and useful information for the design of three-phase bubble column slurry reactor of ethylene oxide synthesis was obtained.

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