Solubility of Ammonia in Ethylene Glycol Between 303 K and 323 K under Low Pressure from 0.030 to 0.101 Mpa

doi:10.1016/S1004-9541(14)60022-7

Chin.J.Chem.Eng. ›› 2014, Vol. 22 ›› Issue (2): 181-186.DOI: 10.1016/S1004-9541(14)60022-7

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Solubility of Ammonia in Ethylene Glycol Between 303 K and 323 K under Low Pressure from 0.030 to 0.101 Mpa

ZHOU Huan, ZHANG Shuai, GAO Fei, BAI Xiaoqin, SHA Zuoliang

Tianjin Key Laboratory of Marine Resources and Chemistry, Tianjin University of Science and Technology, Tianjin 300457, China

Received:2012-01-06 Revised:2012-09-10 Online:2014-01-28 Published:2014-02-05
Contact: ZHOU Huan
Supported by:
Supported by the National Natural Science Foundation of China (21176189), and the Natural Science Foundation of Tianjin City (11JCZDJC24300).

Solubility of Ammonia in Ethylene Glycol Between 303 K and 323 K under Low Pressure from 0.030 to 0.101 Mpa

周桓, 张帅, 高飞, 白晓琴, 沙作良

Tianjin Key Laboratory of Marine Resources and Chemistry, Tianjin University of Science and Technology, Tianjin 300457, China

通讯作者: ZHOU Huan
基金资助:
Supported by the National Natural Science Foundation of China (21176189), and the Natural Science Foundation of Tianjin City (11JCZDJC24300).

Abstract

Abstract: The solubility of ammonia in ethylene glycol is measured by an isothermal solubility equilibrium method at temperatures of (303.2, 308.2, 313.2, 318.2 and 323.2) K and total pressures of (0.030, 0.040, 0.050, 0.060, 0.070, 0.080, 0.090 and 0.101) MPa. The molality of ammonia in ethylene glycol ranges from 1.925 mol·kg1 to 8.265 mol·kg1. The experimental results are used to determine Henry's law constant of ammonia in ethylene glycol. Furthermore, experimental data are correlated by applying the thermodynamic model on the basis of extended Raoult's law, extended Henry's law, corresponding-states correlations and Pitzer's molality scale based equation. The overall average relative deviation between the calculated data and the experimental data of Henry's law constant and ammonia solubility are 2.029% and 2.164% respectively.

Key words: gas solubility, ammonia, ethylene glycol, negative pressure

摘要： The solubility of ammonia in ethylene glycol is measured by an isothermal solubility equilibrium method at temperatures of (303.2, 308.2, 313.2, 318.2 and 323.2) K and total pressures of (0.030, 0.040, 0.050, 0.060, 0.070, 0.080, 0.090 and 0.101) MPa. The molality of ammonia in ethylene glycol ranges from 1.925 mol·kg1 to 8.265 mol·kg1. The experimental results are used to determine Henry's law constant of ammonia in ethylene glycol. Furthermore, experimental data are correlated by applying the thermodynamic model on the basis of extended Raoult's law, extended Henry's law, corresponding-states correlations and Pitzer's molality scale based equation. The overall average relative deviation between the calculated data and the experimental data of Henry's law constant and ammonia solubility are 2.029% and 2.164% respectively.

关键词: gas solubility, ammonia, ethylene glycol, negative pressure

ZHOU Huan, ZHANG Shuai, GAO Fei, BAI Xiaoqin, SHA Zuoliang. Solubility of Ammonia in Ethylene Glycol Between 303 K and 323 K under Low Pressure from 0.030 to 0.101 Mpa[J]. Chin.J.Chem.Eng., 2014, 22(2): 181-186.

周桓, 张帅, 高飞, 白晓琴, 沙作良. Solubility of Ammonia in Ethylene Glycol Between 303 K and 323 K under Low Pressure from 0.030 to 0.101 Mpa[J]. Chinese Journal of Chemical Engineering, 2014, 22(2): 181-186.

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Solubility of Ammonia in Ethylene Glycol Between 303 K and 323 K under Low Pressure from 0.030 to 0.101 Mpa

Solubility of Ammonia in Ethylene Glycol Between 303 K and 323 K under Low Pressure from 0.030 to 0.101 Mpa

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