CaO solubility and activity coefficient in molten salts CaCl2–x (x = 0, NaCl, KCl, SrCl2, BaCl2 and LiCl)期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

CaO solubility and activity coefficient in molten salts CaCl₂–x (x = 0, NaCl, KCl, SrCl₂, BaCl₂ and LiCl)

Authors:

Shulan Wang Fusheng Zhang Xuan Liu Lijun Zhang

Affiliation:

^aSchool of Science, Northeastern University, Shenyang 110004, China;^bSchool of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China

Abstract:

CaO solubility in equimolar molten salts CaCl₂–x (x = 0, NaCl, KCl, SrCl₂, BaCl₂ and LiCl) was determined at 873–1223 K and activity coefficient calculated. CaO solubility in the binary salts is less than in CaCl₂, and the activity coefficient is greater than one. With increasing temperature CaO solubility increases and the activity coefficient decreases. The dependency of CaO activity coefficient on temperature in equimolar molten salts CaCl₂–x is

CaCl₂	RTln γ_CaO = 6961 + 5.06 T (K)	1123–1223 K
CaCl₂–NaCl	RTln γ_CaO = 3985 + 17.67 T (K)	923–1123 K
CaCl₂–KCl	RTln γ_CaO = 2384 + 22.72 T (K)	1073–1223 K
CaCl₂–SrCl₂	RTln γ_CaO = 27245–1.13 T (K)	1073–1223 K
CaCl₂–BaCl₂	RTln γ_CaO = 17068 + 10.19 T (K)	1223–1273 K
CaCl₂–LiCl	RTln γ_CaO = 14724 + 0.72 T (K)	923–1073 K

Full-size table

Keywords:

CaO Solubility Activity coefficient CaCl₂ Molten salt

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