CATALYTIC REACTIVE DISTILLATION COUPLED WITH PERVAPORATION FOR SYNTHESIZING ETHYL tert -BUTYL ETHER

YANG Sanba; YANG Bolun

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CATALYTIC REACTIVE DISTILLATION COUPLED WITH PERVAPORATION FOR SYNTHESIZING ETHYL tert -BUTYL ETHER

更新时间：2025-12-10

- CATALYTIC REACTIVE DISTILLATION COUPLED WITH PERVAPORATION FOR SYNTHESIZING ETHYL tert -BUTYL ETHER
- CIESC Journal Issue 11, (2001)
- 作者机构：
  
  西安交通大学化工学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 November 2001，
  
  Published：25 November 2001
- 稿件说明：
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YANG Sanba, YANG Bolun. CATALYTIC REACTIVE DISTILLATION COUPLED WITH PERVAPORATION FOR SYNTHESIZING ETHYL tert -BUTYL ETHER[J]. CIESC Journal, 2001, (11).
DOI：

YANG Sanba, YANG Bolun. CATALYTIC REACTIVE DISTILLATION COUPLED WITH PERVAPORATION FOR SYNTHESIZING ETHYL tert -BUTYL ETHER[J]. CIESC Journal, 2001, (11). DOI：

摘要

以乙醇和叔丁醇为原料

通过催化反应、精馏与渗透蒸发膜分离三单元耦合过程合成了乙基叔丁基醚(ETBE)

建立了相关五元高度非理想体系的耦合过程数学模型

以改进的超松弛法对模型求解

并进行了模型校验和工艺操作参数的模拟寻优

Abstract

Due to the pollution of groundwater by methyl tert -butyl ether(MTBE)

the United States government in March 2000 interdicted this ether.Ethyl tert -butyl ether (ETBE) outranks MTBE as an octane enhancer since it shows the lower blending Reid vapor pressure

higher octane value and so on.For this reason

the research about the synthesis of ETBE had gained significant momentum over the past few years.In our previous work

the synthesis of ETBE from ethanol(EtOH) and tert -butyl alcohol (TBA) was studied by using cation exchange resin as catalyst via reaction

reactive distillation

reaction with pervaporation.In this work

catalytic reactive distillation coupled with pervaporation is restudied for the synthesis of ethyl tert -butyl ether from EtOH and TBA.A mathematical model for this combined process is developed.The model incorporates complex reaction kinetics

vapor-liquid non-idealities

distillation and pervaporation process.The rapid solution for this model can be obtained by modified overrelexation method.Simulation results are in good agreements with the experimental results.Some operating parameters are also optimized.

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