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THE KINETICS OF CALCITE DISSOLUTION PRECIPITATION

Abstract:

The channel-flow cell method is used to establish the dissolution/precipitation kinetics of calcite under wide ranges of bulk Ca1+ concentration (0-10 mM) and solution flow rate (10-30.3 cm3 s-1) for different bulk pH values. Detailed mathematical modeling of the heterogeneous reaction, and accompanying solution processes leads to the following rate equation based on a model in which Ca2+ and CO2- 3 undergo Langmuirian adsorption on the calcite surface: Dnet/mol cm-2s-1 = kbKCaKCO3 { KSP - [C...

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Publication status:
Published

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Publisher copy:
10.1006/jcis.1993.1408

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Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Physical & Theoretical Chem
Role:
Author
Journal:
JOURNAL OF COLLOID AND INTERFACE SCIENCE
Volume:
160
Issue:
2
Pages:
372-379
Publication date:
1993-10-15
DOI:
ISSN:
0021-9797
Source identifiers:
44248
Pubs id:
pubs:44248
UUID:
uuid:b68cc16a-b398-451d-88e4-fb46a9fe7256
Local pid:
pubs:44248
Deposit date:
2012-12-19

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