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Iranian Journal of Chemistry and Chemical Engineering، جلد ۴۳، شماره ۲، صفحات ۸۱۹-۸۳۳
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| عنوان فارسی |
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| چکیده فارسی مقاله |
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| کلیدواژه‌های فارسی مقاله |
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| عنوان انگلیسی |
Real Acid Natural Gas Solubility Measurement in Novel Hybrid Solvents of Amine and Ionic Liquids |
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| چکیده انگلیسی مقاله |
This study aims to investigate the performance of various hybrid solvents of amine and ionic liquids in the acid gas sweetening process. Two ionic liquids including [Hmim][NO3] and [Bmim][Ac] were used with MDEA amine solvent to investigate the solubility of H2S, CO2, and various hydrocarbons from a real natural gas. The solubility data were measured at a pressure range of 2~44 bar, temperature range of 298.15, to 338.15K, and ILs loading of 10~20(wt.%) in the hybrid solvents. The experimental design was employed to obtain the optimum condition of hybrid solvents. The results show that increasing ILs loading up to 10% in the hybrid solvent increased the CO2 solubility for both ILs up to 8.6%, and reduced the H2S solubility by up to 6% at the highest pressure and lowest temperature tested. The effect of pressure is the dominating factor on the solubility of the acid gases while the temperature and ILs loading percentage play a major role on the solubility of acid gases. In addition, the hybrid solvent containing 10 (wt.%) of [Bmim][Ac] showed better solubility towards CO2 in comparison to the solvents containing [Hmim][NO3]. It was concluded that this hybrid solvent is more suitable for CO2 absorption from natural gases containing higher CO2 and lower H2S concentration. |
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| کلیدواژه‌های انگلیسی مقاله |
Solubility,Hybrid solvent,Ionic liquids,amine solvent,Natural gas |
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| نویسندگان مقاله |
Ramesh Rezaeinejad |
Department of Analytical Chemistry, Faculty of Chemistry, North Tehran Branch, Islamic Azad University, Tehran, I.R. IRAN
Amir Abdolah Mehrdad Sharif |
Department of Analytical Chemistry, Faculty of Chemistry, North Tehran Branch, Islamic Azad University, Tehran, I.R. IRAN
Fariborz Shaahmadi |
Department of Process Engineering, Stellenbosch University, Banghoek Road, Stellenbosch, 7600, SOUTH AFRICA
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| نشانی اینترنتی |
https://ijcce.ac.ir/article_707425_21545853cb23847a21646e9e436ee48e.pdf |
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| زبان مقاله منتشر شده |
en |
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