Process simulation of tert-butyl acetate production by distillation column integrated with side reactors under different temperatures

HUANG Yuxin; TANG Jihai; CHEN Xian; SONG Jianguo; CUI Mifen; FEI Zhaoyang; QIAO Xu

doi:10.11949/j.issn.0438-1157.20150207

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Process simulation of tert-butyl acetate production by distillation column integrated with side reactors under different temperatures

更新时间：2025-12-10

- Process simulation of tert-butyl acetate production by distillation column integrated with side reactors under different temperatures
- CIESC Journal Issue 10, Pages: 4039-4046(2015)
- 作者机构：
  
  1. 南京工业大学化学化工学院, 江苏省工业节水减排重点实验室,江苏,南京,210009
  2. 南京工业大学材料化学工程国家重点实验室,江苏,南京,210009
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20150207
  CLC： Q021.8
- Online First：05 October 2015，
  
  Published：05 October 2015
- 稿件说明：
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HUANG Yuxin, TANG Jihai, CHEN Xian, et al. Process simulation of tert-butyl acetate production by distillation column integrated with side reactors under different temperatures[J]. CIESC Journal, 2015, (10): 4039-4046.
DOI：

HUANG Yuxin, TANG Jihai, CHEN Xian, et al. Process simulation of tert-butyl acetate production by distillation column integrated with side reactors under different temperatures[J]. CIESC Journal, 2015, (10): 4039-4046. DOI： 10.11949/j.issn.0438-1157.20150207.

摘要

针对醋酸与异丁烯加成酯化可逆反应温度低、精馏分离温度高的特点

采用带侧反应器的反应精馏集成过程(SRC)建立了低温反应与高温精馏集成的醋酸叔丁酯生产新工艺。固定塔釜上升汽化量100 kmol·h-1

规定新鲜醋酸进料的转化率达到99.9%、醋酸叔丁酯选择性达到97.0%

采用过程模拟考察了进入侧反应器的精馏塔采出量、精馏段塔板数、侧反应器进出口间隔塔板数和侧反应器台数等参数对合成醋酸叔丁酯的SRC过程的影响。模拟结果表明

醋酸与异丁烯加成酯化生产醋酸叔丁酯的SRC过程中只有反应能力与分离能力达到最佳匹配才能使单位产品的生产成本最小。研究结果为醋酸叔丁酯生产新工艺的放大设计与优化奠定了基础。

Abstract

An advanced technology integrating a high-temperature distillation column with low-temperature side reactors(SRC) was proposed for tert-butyl acetate production via the additive esterification of acetic acid and isobutylene

since the reaction and separation required completely different operations. With a vapor boilup rate of 100 kmol·h-1

acetic acid conversion of 99.9% and tert-butyl acetate selectivity of 97.0%

the effects of flow rate from distillation column to reactors

stage number of rectification zone

side-reactor number and interval stage number between inlet and outlet of the reactor were systemically investigated. The results demonstrated that a higher economy process could be achieved with a more optimized match between the reaction capability and the separation capability. The obtained results laid a foundation for design and optimization of the industrial SRC process.

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FEI Zhaoyang

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CHEN Xian

CUI Mifen

Related Institution

State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University

Jiangsu National Synergetic Innovation Center for Advanced Materials(SICAM)

State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University

College of Energy Environment and Safety Engineering, China Jiliang University

Hangzhou Youye Environmental Protection Technology Co., Ltd.

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