High Temperature and High Pressure Volumetric (Density and Apparent Molar Volumes) Properties of (CaCl2 + C2H5OH) Solutions

被引：4

作者：

Abdulagatov, Ilmutdin M.

Safarov, Javid T. ^{[1
,2
]}

Guliyev, Tavakkul A. ^{[2
]}

Shahverdiyev, Astan N. ^{[2
]}

Hassel, Egon P. ^{[1
]}

机构：

[1] Univ Rostock, Lehrstuhl Tech Thermodynam, D-18059 Rostock, Germany

[2] Azerbaijan Tech Univ, AZ-1073 Baku, Azerbaijan

来源：

JOURNAL OF CHEMICAL AND ENGINEERING DATA | 2009年 / 54卷 / 02期

关键词：

T-S PROPERTIES; 40; MPA; THERMODYNAMIC PROPERTIES; V-PHI; BINARY-MIXTURES; 398.15; K; METHANOL; ETHANOL; CACL2; ELECTROLYTES;

D O I：

10.1021/je800234h

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The (p, rho, 7) and some derived volumetric properties such as apparent molar volumes V-phi of CaCl2 in ethanol, isothermal compressibility, and thermal expansion coefficients of (CaCl2 + C2H5OH) solutions at T = (298.15 to 398.15) K and pressures up to p = 40 MPa are reported. The density measurements were made at seven molalities of m = (0.09327, 0.17427, 0.43788, 0.68992, 0.98955, 1.26564, and 1.55045) mol.kg(-1) of CaCl2. An empirical correlation for the density of (CaCl2 + C2H5OH) as a function of pressure, temperature, and molality has been developed. This equation of state was used to calculate other volumetric properties such as isothermal compressibility and thermal expansion coefficients. The derived values of apparent molar volumes were extrapolated to zero concentration to calculate the values of apparent molar volumes (or partial molar volumes) at infinite dilution.

引用

页码：248 / 255

页数：8

共 36 条

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