| SOLUBILITY OF AMMONIA IN WATER IN MULTICOMPONENT SYSTEM UNDER HIGH PRESSURE |
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| 引用本文： | 沈华民,翁孟炎,魏柏益. SOLUBILITY OF AMMONIA IN WATER IN MULTICOMPONENT SYSTEM UNDER HIGH PRESSURE[J]. 中国化学工程学报, 1987, 2(1): 1-16 |
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| 作者姓名： | 沈华民 翁孟炎 魏柏益 |
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| 作者单位： | Shanghai Research Institute of Chemical Industry，Shanghai Research Institute of Chemical Industry，Shanghai Research Institute of Chemical Industry |
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| 摘 要： | The solubility of NH_3 in water in multicomponent systems under high pressure is of extreme importance to the new integrated ammonia and urea process. This paper proposes a new method for calculating the vaporliquid equilibria for aqueous ammonia solutions under high pressure. Based on the experimental data of the binary system of NH_3-H_2O in the high concentration range, a model has been established for the activity coefficients of NH_3 and H_2O to describe the non-ideality of the liquid phase; and the modified SIRK equation of state for polar compounds has been used to describe the non-ideality of the vapor phase under high pressure. The reliability of this model has been examined in the light of the experimental data of the solubility of NH_3 in H_2O under high pressure in the systems of NH_3-H_2O-N_2, NH_3-H_2O-N_2-H_2-Ar-CH_4 and NH_2-H_2O-N_2-H_2, the last being from Guerreri et al. Both the accuracy of calculation and the concentration range for applicability of this model have been found to surpass those of Guerrerl's model.
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| 修稿时间： | |
SOLUBILITY OF AMMONIA IN WATER IN MULTICOMPONENT SYSTEM UNDER HIGH PRESSURE |
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| SHEN Huamin,WENG Mengyan,WEI Boyi. SOLUBILITY OF AMMONIA IN WATER IN MULTICOMPONENT SYSTEM UNDER HIGH PRESSURE[J]. Chinese Journal of Chemical Engineering, 1987, 2(1): 1-16 |
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| Authors: | SHEN Huamin WENG Mengyan WEI Boyi |
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| Affiliation: | Shanghai Research Institute of Chemical Industry |
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