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Edition and Publication

Edition and Publication:
< Natural Gas and Oil > Editorial Department
Hosted by:
China Petroleum Engineering & Construction Corporation Southwest Company
Authorized by:
China Petroleum Engineering & Construction Corporation
Co-hosted by:
Overseas Research Center of Research Institute of Petroleum Exploration and Development
Editor in Chief:
Du Tonglin
Vice Editor in Chief:
Tang Xiaoyong,Pu Liming
Address:
No.6, Shenghua Road, High-tech District, Chengdu, Sichuan, China
Postal Code:
610041
Tel:
028-86014709
028-86014500
Email:
cnpc-ngo@cnpc.com.cn
Issue:ISSN 1006-5539
CN 51-1183/TE

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Key Points of Natural Gas Purification Process Design and Their Optimization

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Key Words： Natural gas purification； Process design； Solution absorption； Blocking solution； Regeneration solution； Process parameter； Optimization

Abstract：Up to now， amine is still widely used in sour gas desulfurization and decarbonization at home and abroad and has been used for more than 50 years in China. Blocking solution may occur in desulfurization and decarbonization unit during production and result in serious capacity decline of desulfurization and decarbonization and not qualified gas purification degree. Solution foaming may result in entrainment and a large number of amine solution may flow away with air stream， which will lead to sharp increase in solution loss and serious economic losses. Summarized is successful experience in natural gas purification process design and production for the past decades， proposed are such key points in purification process design as process design of desulfurization and decarbonization unit and key equipment selection， described are some considerations during design of such systems in desulphurization and decarbonization unit as feed gas separation system， amine regeneration system， amine filtration and inert gas protection system， amine and acid gas cooling system， lean amine turbocharger and circulation pump and analyzed is design of such key equipment in purification process as columns， vessels， cold and heat exchanger and pumps.