A novel process integrating vacuum distillation with atmospheric chlorination reaction for flexible production of tetrachloroethane and pentachloroethane

Xian Chen; Yunpeng Li; Ge Xu; Jihai Tang; Zhuxiu Zhang; Ming Chen; Zhaoyang Fei; Mifen Cui; Xu Qiao

doi:10.1016/j.cjche.2017.10.023

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A novel process integrating vacuum distillation with atmospheric chlorination reaction for flexible production of tetrachloroethane and pentachloroethane

Process Systems Engineering and Process Safety | Updated：2026-01-06

- A novel process integrating vacuum distillation with atmospheric chlorination reaction for flexible production of tetrachloroethane and pentachloroethane
- Chinese Journal of Chemical Engineering Vol. 26, Issue 4, Pages: 786-794(2018)
- Affiliations：
  
  2 Jiangsu National Synergetic Innovation Center for Advanced Materials(SICAM),Nanjing,China,210009
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2017.10.023
  CLC：
- Published：2018
- Accepted：
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Xian Chen, Yunpeng Li, Ge Xu, Jihai Tang, Zhuxiu Zhang, Ming Chen, Zhaoyang Fei, Mifen Cui, Xu Qiao. A novel process integrating vacuum distillation with atmospheric chlorination reaction for flexible production of tetrachloroethane and pentachloroethane[J]. Chin.J.Chem.Eng., 2018, 26(4): 786-794.
DOI：

Xian Chen, Yunpeng Li, Ge Xu, Jihai Tang, Zhuxiu Zhang, Ming Chen, Zhaoyang Fei, Mifen Cui, Xu Qiao. A novel process integrating vacuum distillation with atmospheric chlorination reaction for flexible production of tetrachloroethane and pentachloroethane[J]. Chin.J.Chem.Eng., 2018, 26(4): 786-794. DOI： 10.1016/j.cjche.2017.10.023.

摘要

Abstract

In this paper

we developed a novel process integrating vacuum distillation with atmospheric chlorination reaction (VD-ACR) to realize the flexible production of tetrachloroethane (TeCA) and pentachloroethane (PCA) from 1

2-dichloroethane (DCA). During the simulation

the distillation column and reactors were operated for separation and chlorination respectively under variable pressures and temperatures. It is interesting to note that VD-ACR processes producing pure TeCA or PCA can exhibit the similar configuration parameters after optimization

which enables the flexible production of TeCA and PCA with different molar ratios via changing operating parameters. The molar ratio of TeCA/PCA can be fine-tuned within the range of 0.9:0.1-0.1:0.9 through adjusting the amount of chlorine pumped into side reactors

giving rise to the increase of the heat duty of reboiler by five times. A pilot-scale experiment was then operated based-upon this VD-ACR process and the result matched well with the simulation. Therefore

the VD-ACR model presented in this study will be beneficial for the industrial-scale flexible production of TeCA and PCA from DCA.

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Related Institution

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2 Research Institute of Yanchang Petroleum(Group) Co. Ltd

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