| H2S??CO2??????-???????????????е????????? |
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| 引用本文： | 常宏岗.H2S??CO2??????-???????????????е?????????[J].天然气工业,1993,13(3):80-85. |
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| 作者姓名： | 常宏岗 |
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| 作者单位： | ????????????????о???, ???? ????? ???? 646002 |
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| 摘 要： | 本文讨论了由于环丁砜(SF)与水的物性本质差异导致了甲基二乙醇胺(MDEA)在环丁砜水中溶液中的pK_a值低于在水中的pK_a,使得H_2S、CO_2在环丁砜——甲基二乙醇胺水溶液中的溶解度和在MDEA水溶液中有明显不同。
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| 关 键 词： | 天然气净化 甲基二乙醇胺 溶解度 |
The Solubility Character of H_2S and CO_2 in SF-MDEA-H_2O Solution |
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| Chang Honggang.The Solubility Character of H_2S and CO_2 in SF-MDEA-H_2O Solution[J].Natural Gas Industry,1993,13(3):80-85. |
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| Authors: | Chang Honggang |
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| Affiliation: | Chang Honggang |
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| Abstract: | In this paper, it is discussed that because of the intrinsic difference between the physical properties of sulfolance(SF)and water, the pK. of MDEA in SF-H_2O solution is lower than the pK. of MDEA in water to make the solubilities of H_2S and CO_2in SF-MDEA-H_2O solution are evidently different from that in aqueous MDEA solution. |
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| Keywords: | natural gas purifying SF-MDEA-H_2O solution MDEA-H_2O solution acid seperating constant solubility selection |
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