alexa Crystallization of Kainite from Solutions in System K+, Mg2+, Na+ // Cl-, SO4 2-- Н2О
ISSN: 2157-7048

Journal of Chemical Engineering & Process Technology
Open Access

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Research Article

Crystallization of Kainite from Solutions in System K+, Mg2+, Na+ // Cl-, SO4 2-- Н2О

Kostiv IY1 and Yа І Basystiuk2*

1State Enterprise Scientific - Research Gallurgi Institute 5a, Fabrichna Str., 76000 Kalush, Ukraine

2Precarpathian National University named after V. Stephanyk 57, Shevchenko Str., 76025 Ivano-Frankivsk, Ukraine

*Corresponding Author:
Yа І Basystiuk
Precarpathian National University named after V. Stephanyk 57
Shevchenko Str., 76025 Ivano-Frankivsk, Ukraine.
E-mail: [email protected]

Received date: June 02, 2016; Accepted da te: July 02, 2016; Published date: July 12, 2016

Citation: Kostiv IY, Basystiuk YI (2016) Crystallization of Kainite from Solutions in System K+, Mg2+, Na+ // Cl-,/, SO4 2- - Н2О. J Chem Eng Process Technol 7:298. doi:10.4172/2157-7048.1000298

Copyright: © 2016 Kostiv IY, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



In isothermal conditions have been studied the influence of system solution sea salts during their evaporation and crystallization to composition of received liquid and solid phases. It is shown that evaporation of the solution leading to its supersaturation by sulfate salts. In the liquid phase before crystallization of kainite concentration of SO4 2- ions increases to 10% and above. Through this probability of formation of crystals increases and the result of evaporation is the formation of finely dispersed kainite. During crystallization of kainite concentration of SO4 2- in the liquid phase decreases rapidly. Decreasing its intensity increases with increasing value k=E SO4 2- : E Mg2+ of initial solution. For the degree of evaporation of 20.0% and 31.0% concentration of SO4 2- in evaporated solution on the value of k does not change. Most forms of potassium salts in the solid phase for the value k=0.7573 and reaches a maximum value at 82% evaporation rate of 31%. With the increasing degree of evaporation of the solution the degree of separate of SO4 2- in solid phase also increases. Most of the value achieved the degree of evaporation of the solution is 31% and about 90% for all values of k. This is an increase of salting action of MgCl2 of liquid phase at kainite.


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