JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
Online ISSN : 1881-1299
Print ISSN : 0021-9592
REACTIVE CRYSTALLIZATION OF CALCIUM CARBONATE BY LIQUID-LIQUID REACTION
HIDEKI TSUGEYASUSHI KOTAKISHIN-ICHI HIBINO
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1987 Volume 20 Issue 4 Pages 374-379

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Abstract
Crystallization experiments with calcium carbonate by three liquid-liquid reaction systems from a MSMPR crystallizer were conducted to make clear the characteristics of reactive crystallization kinetics.
As it was confirmed that the crystal growth obeys the ΔL law from the CSD obtained, the nucleation rate and growth rate were obtained. The effects of the operating factors and the reaction systems on the crystallization kinetics were studied. It was clarified that the nucleation rate and the growth rate are correlated by the power law model, and that the kinetic orders in the power law model are correlated with carbonate alkah''nity irrespective of reaction system.
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© The Society of Chemical Engineers, Japan
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