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Formation and aggregation of polymorphs in continuous precipitation .1. Mathematical modeling

DSpace at IIT Bombay

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Title Formation and aggregation of polymorphs in continuous precipitation .1. Mathematical modeling
 
Creator CHAKRABORTY, D
BHATIA, SK
 
Subject calcium-carbonate
population balance
crystallization
agglomeration
kinetics
systems
sulfate
 
Description In many cases of precipitation the product comprises of two or more polymorphs, either due to their simultaneous nucleation or due to transformation of a metastable polymorph. These polymorphs may have different growth rates as well as aggregation tendencies. In the present work the population balance equation is applied to predict the size distribution of the precipitate particles allowing for these features. The Hounslow method for discretization of the population balance equation is modified for improved stability and accuracy, and used to solve the model for polymorph precipitation in a continuous system. The effect of the aggregation tendencies of the polymorphs, as well as of the ratios of their nucleation rates and of their grow rates, on the particle size distribution and product composition is studied.
 
Publisher AMER CHEMICAL SOC
 
Date 2011-07-14T05:18:26Z
2011-12-26T12:48:12Z
2011-12-27T05:46:24Z
2011-07-14T05:18:26Z
2011-12-26T12:48:12Z
2011-12-27T05:46:24Z
1996
 
Type Article
 
Identifier INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 35(6), 1985-1994
0888-5885
http://dx.doi.org/10.1021/ie9504011
http://dspace.library.iitb.ac.in/xmlui/handle/10054/3865
http://hdl.handle.net/10054/3865
 
Language en