Solubility of methane and ethane in aqueous solutions of methyldiethanolamine

被引:26
作者
Jou, FY
Carroll, JJ
Mather, AE [1 ]
Otto, FD
机构
[1] Univ Alberta, Dept Chem & Mat Engn, Edmonton, AB T6G 2G6, Canada
[2] Gas Liquids Engn, Calgary, AB T1Y 4T8, Canada
关键词
D O I
10.1021/je980003f
中图分类号
O414.1 [热力学];
学科分类号
摘要
Data are presented for the solubility of methane and of ethane in a 3 kmol/m(3) (34.7 mass %) solution of methyldiethanolamine. Temperatures in this study ranged from 25 to 130 degrees C and pressures to 13 MPa. The data were incorporated into a rigorous thermodynamic model that has been applied to other similar systems. The model is a combined Raoult's law-Henry's law approach. The solubilities in the alkanolamine solution are correlated in terms of the salting-in ratio, the ratio of the mole fraction solubility in the amine solution to that in pure water.
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页码:781 / 784
页数:4
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