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СаСО3 CRYSTALLIZATION FROM THE LIQUID SYSTEMS. DYNAMIC MODEL

V. Kochmarskii

National University of water management and nature resources use, Rivne. Ukraine

e-mail: as270@nuwm.rv.ua

Kinetic equation (k. e.) of CaCO3 precipitation from calcium-hydrocarbonate systems (CHCS) has been formulated. The form of k.e. and the processes in CHCS depends upon pH within 6<pH<9.5 k. e. is expressed by bicarbonate index. It has been shown that the process of total crystallization from beginning to the end is controlled by diffusion. At the final stage of the process metastable state of CHCS is formed.

Key words: kinetic equation, CHCS, bicarbonate index, diffusion, metastable state.

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28.11.2010 at 10:28 pm