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Journal of Thermodynamics
Volume 2012 (2012), Article ID 723052, 12 pages
Research Article

Thermodynamic Modelling of Dolomite Behavior in Aqueous Media

1Faculty of Engineering and Chemical Technology, Technical University of Cracow, 31-155 Kraków, Poland
2Department of Analytical Chemistry, The University of Seville, 41012 Seville, Spain

Received 20 August 2011; Revised 19 October 2011; Accepted 27 October 2011

Academic Editor: Jaime Wisniak

Copyright © 2012 Tadeusz Michałowski and Agustin G. Asuero. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The compact thermodynamic approach to the systems containing calcium, magnesium, and carbonate species is referred to dissolution of dolomite, as an example of nonequilibrium ternary salt when introduced into aqueous media. The study of dolomite is based on all attainable physicochemical knowledge, involved in expressions for equilibrium constants, where the species of the system are interrelated. The species are also involved in charge and concentration balances, considered as constraints put on a closed system, separated from the environment by diathermal walls. The inferences are gained from calculations performed with use of an iterative computer program. The simulated quasistatic processes occurred under isothermal conditions, started at a preassumed pH0 value of the solution where dolomite was introduced, and are usually involved with formation of other solid phases. None simplifying assumptions in the calculations were made.