| 高浓度H2O-NH3-CO2体系汽液平衡计算 |
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| 引用本文： | 魏顺安,张红晶. 高浓度H2O-NH3-CO2体系汽液平衡计算[J]. 中国化学工程学报, 2004, 12(1) |
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| 作者姓名： | 魏顺安 张红晶 |
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| 摘 要： | ![]()
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Calculation of H2O-NH3-CO2 Vapor Liquid Equilibria at High Concentration Conditions |
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| WEI Shun''an,ZHANG Hongjing. Calculation of H2O-NH3-CO2 Vapor Liquid Equilibria at High Concentration Conditions[J]. Chinese Journal of Chemical Engineering, 2004, 12(1) |
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| Authors: | WEI Shun''an ZHANG Hongjing |
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| Affiliation: | Chemistry and Chemical Engineering Institute, Chongqing University, Chongqing 400044, China;Chemistry and Chemical Engineering Institute, Chongqing University, Chongqing 400044, China |
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| Abstract: | ![]()
A vapor liquid equilibrium model and its related interactive energy parameters based on UNIQUAC model for the H2O-NH3-CO2 system without solid phase at the conditions of temperature from 30℃ to 90℃,pressure from 0.1 MPa to 0.4 MPa, and the maximum NH3 mass fraction up to 0.4 are provided. This model agrees with experimental data well (average relative error ＜ 1%) and is useful for analysis of industrial urea production. |
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| Keywords: | H2O-NH3-CO2 system vapor liquid equilibrium high concentration thermodynamic model |
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