Energy integration of multi-effect reactive distillation for benzyl chloride production

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

doi:10.11949/j.issn.0438-1157.20150833

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Energy integration of multi-effect reactive distillation for benzyl chloride production

更新时间：2025-12-10

- Energy integration of multi-effect reactive distillation for benzyl chloride production
- CIESC Journal Issue 8, Pages: 3161-3168(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.0438-1157.20150833
  CLC： Q021.8
- Online First：05 August 2015，
  
  Published：05 August 2015
- 稿件说明：
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SONG Jianguo, HUANG Yuxin, SUN Yuyu, et al. Energy integration of multi-effect reactive distillation for benzyl chloride production[J]. CIESC Journal, 2015, (8): 3161-3168.
DOI：

SONG Jianguo, HUANG Yuxin, SUN Yuyu, et al. Energy integration of multi-effect reactive distillation for benzyl chloride production[J]. CIESC Journal, 2015, (8): 3161-3168. DOI： 10.11949/j.issn.0438-1157.20150833.

摘要

以甲苯氯化生产氯化苄为研究对象

对带侧反应器的反应精馏与精制塔串联工艺(CSRRT)进行研究及能量分析

建立了分段反应精馏与精制塔串联生产氯化苄的新工艺。利用精制塔塔顶蒸汽潜热加热第一段反应精馏塔的塔釜

建立了多效反应精馏(MERD);进一步利用侧反应器的甲苯氯化反应热加热第一段反应精馏塔的塔板物料

建立了多效透热反应精馏(MEDRD)。在相同生产要求下

对3种工艺的能耗进行比较。结果表明

MERD和MEDRD过程实现了能量的优化利用

与CSRRT过程相比

塔釜总再沸器热负荷分别降低16.8%和33.7%。

Abstract

Based on the energy analysis of distillation column with side reactors (CSR) and refining tower (CSRRT) for benzyl chloride production

a new process with two reactive distillation stages was established. Using the steam latent heat of refining tower to heat the kettle of the first reactive distillation tower

a multi-effect reactive distillation (MERD) was proposed. Furthermore

using the reaction heat to heat the tray of the first reactive distillation tower

a multi-effect diabatic reactive distillation (MEDRD) was also investigated. The energy consumptions of the above three processes were compared under the same production requirement. The results showed that comparing with CSRRT

the energy consumption of MERD and MEDRD declined 16.8% and 33.7%

respectively.

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Related Author

JIN Hao

LU Jiawei

TANG Jihai

ZHANG Zhuxiu

FEI Zhaoyang

LIU Qing

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 Materials and Chemistry Chemical Engineering, Chengdu University of Technology

Tianfu Yongxing Laboratory

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