Solubility of H2S in (H2O plus piperazine) and in (H2O plus MDEA plus piperazine)

被引:42
|
作者
Xia, JZ [1 ]
Kamps, APS [1 ]
Maurer, G [1 ]
机构
[1] Univ Kaiserslautern, Lehrstuhl Tech Thermodynam, D-67653 Kaiserslautern, Germany
关键词
gas solubility; sour gas systems; aqueous electrolyte solutions; chemical reacting solutions; hydrogen sulfide; N-methyldiethanolamine; piperazine;
D O I
10.1016/S0378-3812(02)00331-X
中图分类号
O414.1 [热力学];
学科分类号
摘要
New experimental results for the solubility of hydrogen sulfide in aqueous solutions of piperazine are presented for piperazine molalities up to 4 mol/kg of water, temperatures between 313 and 393 K, and pressures up to about 9 MPa. Furthermore, the solubility of hydrogen sulfide was measured in about 2 m MDEA + 2 m piperazine aqueous solutions at 353 K up to about 6 MPa. Considering the new experimental data, a thermodynamic model for describing phase equilibria for the system H2S-methyldiethanolamine-water has been extended allowing for the presence of piperazine. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:23 / 34
页数:12
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