Phase diagram of the reciprocal system K+, Mg2+//Cl-, NO3--H2O

被引：1

作者：

Danielik, Vladimir ^{[1
]}

Fellner, Pavel ^{[1
]}

Jurisova, Jana ^{[1
]}

Kralik, Milan ^{[2
]}

机构：

[1] Slovak Univ Technol Bratislava, Fac Chem & Food Technol, Dept Inorgan Technol, Bratislava 81237, Slovakia

[2] VUCHT As, Bratislava 83603, Slovakia

来源：

JOURNAL OF MOLECULAR LIQUIDS | 2014年 / 191卷

关键词：

Potassium nitrate; K+; Mg2+//Cl-; NO3-; -H2O; Phase equilibrium; Magnesium nitrate; SOLVENT ELECTROLYTE SYSTEMS; EQUILIBRIA; SPECIATION;

D O I：

10.1016/j.molliq.2013.12.004

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Solid-liquid phase equilibria of the reciprocal system K+, Mg2+//Cl-, NO3--H2O were studied in the temperature range 5 degrees C-115 degrees C. Phase diagrams obtained at the temperatures of 5 degrees C, 20 degrees C, 40 degrees C and 60 degrees C are presented. Data for higher temperatures are presented in.a table. A semi-empirical model for the description of solid-liquid equilibrium for KNO3-MgCl2 diagonal of this system was developed. The model allows calculating the material balance of crystallization of KNO3, KCl, and KCl center dot MgCl2.6H(2)O, respectively, with precision better than 1%. Experimental and calculated data on the solid-liquid equilibrium are compared up to the temperature of 115 degrees C. (C) 2013 Elsevier BM. All rights reserved.

引用

页码：111 / 115

页数：5

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