Optimization study on the CO2 and H2S removal in natural gas using primary, secondary, tertiary and mixed amine
Zainal Ahmad,2School of Chemical Engineering, University Sains Malaysia, Engineering Campus, Seri Ampangan, 14300, Nibong Tebal, Penang, MalaysiaNur Nadia Ab KadirAlireza BahadoriSchool of Environment, Science and Engineering, Southern Cross University, Lismore NSW AustraliaJie ZhangSchool of Chemical Engineering and Advanced Materials, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
2019en
ABI
Аннотация
In this study, the gas sweetening or acid gas removing process were developed in ASPEN Plus, where sole (MEA, DEA, and MDEA) and mixed MEA and MDEA at three different compositions were tested. The results show that mixed amine with 10/20% of MEA/MDEA gives the best results by having low mole fraction of CO2 and H2S in the outlet and mixed amine with 20/10 mol% of MEA/MDEA gives the best results in optimization study. Mixed amines not only give high selectivity towards acid gas absorption, but also have benefit in reducing corrosion in pipeline.
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