Calculation of the multiphase equilibrium of the reaction in wet flue gas desulfuration

被引：0

作者：

Zhou Qulan ^{[1
]}

Hui Shi'en ^{[1
]}

Xu Tongmo ^{[1
]}

Zhao Caihong ^{[1
]}

Shi Zhenhai ^{[1
]}

机构：

[1] Xian Jiaotong Univ, Sch Energy & Power Engn, Xian 710049, Peoples R China

来源：

Proceedings of the ASME Power Conference 2005, Pts A and B | 2005年

关键词：

D O I：

暂无

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

A computational code, which can be used to calculate gas-liquid-solid 3-phase equilibrium line, has been developed based on the principle of free energy minimum. Then the equilibrium lines of dissolution of SO2 and CaCO3 in water are obtained using the code. The results satisfy the mass and charge conservation and match well with the data in the references. Finally, multiphase equilibrium lines of the reaction in WFGD are calculated in different conditions. The results show that temperature, concentration of SO2, CO2, have different effects on the solubility Of SO2 under initial conditions given in the paper. Temperature and concentration of SO2 have great effects, and the concentration of CO2 has a small effect. The solubility of SO, increases as the partial pressure of SO2 increases, temperature decreases or the concentration of CO2 decreases. These conclusions have a great guidance on designing the tower of wet flue gas desulphurization.

引用

页码：779 / 783

页数：5

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