| H2O-NH3-CO2体系汽液平衡计算 |
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| 引用本文： | 魏顺安,薛荣书.H2O-NH3-CO2体系汽液平衡计算[J].化学工业与工程,2004,21(3):193-197. |
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| 作者姓名： | 魏顺安 薛荣书 |
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| 作者单位： | 重庆大学化学化工学院,重庆,400044 |
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| 摘 要： | 本文给出计算H2O-NH3-CO2三元体系在温度323.15K～473.15K、压力0.2MPa～8.0MPa、液相NH，摩尔分率≤0.3、富氨区条件下汽液平衡的UNIQUAC模型及其参数，模型的计算结果与试验数据吻合。该模型可用于尿素生产装置中蒸发冷凝、循环吸收以及水解精馏等过程的设备计算。
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| 关 键 词： | 水-氨-二氧化碳 汽液平衡 热力学模型 |
| 文章编号： | 1004-9533(2004)03-0193-05 |
| 修稿时间： | 2003年4月30日 |
Calculation of H2O-NH3-CO2 Vapor-Liquid Equilibria |
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| WEI Shun-an,XUE Rong-shu.Calculation of H2O-NH3-CO2 Vapor-Liquid Equilibria[J].Chemical Industry and Engineering,2004,21(3):193-197. |
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| Authors: | WEI Shun-an XUE Rong-shu |
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| Abstract: | A set of interactive energy parameters of UNIQUAC equation were obtained to calculate the H_2O-NH_3-CO_2 vapor-liquid equilibria for the conditions of temperatures from 323.15K to 473.15K,pressures from 0.2MPa to 8.0MPa,and the maximum NH_3 concentrations up to 0.3 mole fraction.The calculated results of the model were consistent very well with that of the experiments.This method can be used in simulation system of the urea process. |
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| Keywords: | H_2O-NH_3-CO_2 vapor-liquid equilibrium thermodynamic model |
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