A computational simulation study for techno-economic comparison of conventional and stripping gas methods for natural gas dehydration

Muhammad Salman; Liangliang Zhang; Jianfeng Chen

doi:10.1016/j.cjche.2020.03.013

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A computational simulation study for techno-economic comparison of conventional and stripping gas methods for natural gas dehydration

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

- A computational simulation study for techno-economic comparison of conventional and stripping gas methods for natural gas dehydration
- A computational simulation study for techno-economic comparison of conventional and stripping gas methods for natural gas dehydration
- 中国化学工程学报（英文版） 2020年28卷第9期页码：2285-2293
- Affiliations：
  
  1. Research Center of the Ministry of Education for High Gravity Engineering and Technology, Beijing University of Chemical Technology,Beijing,China,100029
  2. StateKey Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology,Beijing,China,100029
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2020.03.013
  中图分类号：
- 纸质出版：2020
- Accepted：
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Muhammad Salman, Liangliang Zhang, Jianfeng Chen. A computational simulation study for techno-economic comparison of conventional and stripping gas methods for natural gas dehydration[J]. 中国化学工程学报（英文版）, 2020,28(9):2285-2293.

Muhammad Salman, Liangliang Zhang, Jianfeng Chen. A computational simulation study for techno-economic comparison of conventional and stripping gas methods for natural gas dehydration[J]. Chinese Journal of Chemical Engineering, 2020, 28(9): 2285-2293.
Muhammad Salman, Liangliang Zhang, Jianfeng Chen. A computational simulation study for techno-economic comparison of conventional and stripping gas methods for natural gas dehydration[J]. 中国化学工程学报（英文版）, 2020,28(9):2285-2293. DOI： 10.1016/j.cjche.2020.03.013.

Muhammad Salman, Liangliang Zhang, Jianfeng Chen. A computational simulation study for techno-economic comparison of conventional and stripping gas methods for natural gas dehydration[J]. Chinese Journal of Chemical Engineering, 2020, 28(9): 2285-2293. DOI： 10.1016/j.cjche.2020.03.013.

摘要

Abstract

In the present work

the conventional natural gas dehydration method (CDM) and stripping gas method (SGM) are technically and economically analyzed

utilizing Aspen HYSYS and Aspen Process Economic Analyzer (APEA)

respectively. To optimize the CDM and SGM

the sensitivities of the water content of dry gas

reboiler duty and raw material loss are analyzed against solvent rate and stripping gas rate. The optimized processes are set to achieve a targeted value of water content in dry gas and analyzed at optimized point. The analysis shows that SGM gives 46% lower TEG feed rate

42% lower reboiler duty and 99.97% pure regenerated TEG. Moreover

economic analysis reveals that SGM has 38% lower annual operating cost compared to CDM. According to results

from both technical and economic point of view

SGM is more feasible for natural gas dehydration compared to CDM.

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