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Rigorous modeling of the kinetics of calcium carbonate deposit formation ‐ CO 2 effect
Author(s) -
Segev Raviv,
Hasson David,
Semiat Raphael
Publication year - 2012
Publication title -
aiche journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.958
H-Index - 167
eISSN - 1547-5905
pISSN - 0001-1541
DOI - 10.1002/aic.12730
Subject(s) - desalination , engineering , library science , chemistry , computer science , membrane , biochemistry
The kinetics of CaCO3 deposition on flow surfaces is of widespread interest in many engineering applications, notably cooling tower water systems and both thermal and membrane desalination processes. Comprehension of the kinetics of this system is closely allied to scale control efforts. The complexity of the CaCO3 precipitation system arises from the need to consider the combined role of several mass transfer, chemical reaction processes and flow effects. Kinetic models proposed in various studies are based on highly simplified assumptions. We have recently derived a rigorous kinetic model which considered all processes involved in the precipitation system but included the simplification that the CO2 hydration reaction was instantaneous. 15 This article completes our previous work by analyzing the effect of the CO2 hydration reaction.

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