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
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A computational simulation study for techno-economic comparison of conventional and stripping gas methods for natural gas dehydration
Chinese Journal of Chemical EngineeringVol. 28, Issue 9, Pages: 2285-2293(2020)
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
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:
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.
A computational simulation study for techno-economic comparison of conventional and stripping gas methods for natural gas dehydration
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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