Conceptual design of energy-saving stripping process for industrial sour water

Hengjun Gai; Shuo Chen; Kaiqiang Lin; Xiaowei Zhang; Chun Wang; Meng Xiao; Tingting Huang; Hongbing Song

doi:10.1016/j.cjche.2019.12.020

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Conceptual design of energy-saving stripping process for industrial sour water

Separation Science and Engineering | Updated：2026-01-06

- Conceptual design of energy-saving stripping process for industrial sour water
- Chinese Journal of Chemical Engineering Vol. 28, Issue 5, Pages: 1277-1284(2020)
- Affiliations：
  
  College of Chemical Engineering, Qingdao University of Science and Technology,Qingdao,China,266042
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2019.12.020
  CLC：
- Published：2020
- Accepted：
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Hengjun Gai, Shuo Chen, Kaiqiang Lin, Xiaowei Zhang, Chun Wang, Meng Xiao, Tingting Huang, Hongbing Song. Conceptual design of energy-saving stripping process for industrial sour water[J]. Chinese Journal of Chemical Engineering, 2020, 28(5): 1277-1284.
DOI：

Hengjun Gai, Shuo Chen, Kaiqiang Lin, Xiaowei Zhang, Chun Wang, Meng Xiao, Tingting Huang, Hongbing Song. Conceptual design of energy-saving stripping process for industrial sour water[J]. Chinese Journal of Chemical Engineering, 2020, 28(5): 1277-1284. DOI： 10.1016/j.cjche.2019.12.020.

摘要

Abstract

Sour water contains ammonia

carbon dioxide

and hydrogen sulfides

producing from oil refining

coking

and coal gasification. To reduce the energy consumption in sour water stripping

a novel process is proposed which integrates with the bottom flashing mechanical vapor recompression heat pump (MVRHP) for treating such wastewater. Here

Aspen Plus

as a powerful set of chemical process simulation software is utilized to investigate the economy and feasibility of the novel process. Comparison of the results of two process simulations

it can be seen that it is possible to reduce the total annual cost by nearly 45% to adopt the novel process

despite the capital investment increase 45% more than the conventional process. Thus

the provided conceptual design will play a guiding role in the industrialization of the process.

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