Synthesis of epichlorohydrin from 1,3-dichloropropanol using solid base

Yangcheng Lü; Tianyang Li; Rui Wang; Guangsheng Luo

doi:10.1016/j.cjche.2016.08.019

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Synthesis of epichlorohydrin from 1,3-dichloropropanol using solid base

Catalysis, Kinetics and Reaction Engineering | Updated：2026-01-06

- Synthesis of epichlorohydrin from 1,3-dichloropropanol using solid base
- Chinese Journal of Chemical Engineering Vol. 25, Issue 3, Pages: 301-305(2017)
- Affiliations：
  
  State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University,Beijing,China,100084
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2016.08.019
  CLC：
- Published：2017
- Accepted：
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Yangcheng Lu, Tianyang Li, Rui Wang, Guangsheng Luo. Synthesis of epichlorohydrin from 1,3-dichloropropanol using solid base[J]. , 2017, 25(3): 301-305.
DOI：

Yangcheng Lu, Tianyang Li, Rui Wang, Guangsheng Luo. Synthesis of epichlorohydrin from 1,3-dichloropropanol using solid base[J]. , 2017, 25(3): 301-305. DOI： 10.1016/j.cjche.2016.08.019.

摘要

Abstract

In this work

the synthesis of epichlorohydrin (ECH) from 1

3-dichloropropanol (DCP) by using solid sodium hydroxide (NaOH) is carefully investigated. Inert organic solvent

1-octanol

is introduced to ensure reaction intensity under control. The reaction performances with respect to apparent kinetics and selectivity are determined to explore optimized reaction conditions and confirm potentials for enhancing productivity in one batch. The dissolution and liquid phase reaction mechanism and instant reaction assumption are proposed and verified through process analysis. A process design towards free additional water is schematically figured out to manipulate solid NaOH

by-product

and unreacted starting materials to realize a nearly closed circuit. This process allows high selectivity over 97% and complete DCP conversion at 323.2 K within a reaction time less than 20 min. Other advantages include near-zero wastewater emission

economically possible NaOH regeneration fromNaCl

and robust operating condition window.

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