KINETICS OF CaCO3 CRYSTALLIZATION. QUAZIEQUILIRIBRIUM MODEL

Authors

  • В. З. Кочмарський National University of water industry and environmental management, Rivne, Ukraine

DOI:

https://doi.org/10.20535/2218-9300112010139402

Keywords:

crystallization, hydrocarbonate system, quaziequiliribrium model, nonequillibrium process

Abstract

CaCO3 crystallization kinetics from hydrocarbonate systems (HCS) at рН<10 is being investigated. Quaziequiliribrium approximation is used for process modeling with HCS. It has been shown that the state of HCS in such approximation is fully determined by two parameters: CO2 concentration and pH. Other parameters and their change in time may be calculated by the two factors. Calculations are compared with the experimental data of pCa, pCO2, pCO3 and pH measurements. It has been show that intensive crystallization is an essentially nonequillibrium process and quaziequiliribrium calculations are adequate to experimental data only in the final stage of crystallization.

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Published

2010-03-01

Issue

Vol. 1 No. 1 (2010)

Section

Статті

License

Copyright (c) 2020 В. З. Кочмарський

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