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Effect of Iron and Manganese Ions on the Crystal Growth of Calcium Carbonate

Effect of Iron and Manganese Ions on the Crystal Growth of Calcium Carbonate The present study describes examinations of growth rate of calcium carbonate using seed crystals of different sizes in the range of 10 to 50 μm at concentrations in the range of 5 to 50 g·L−1. The rate constant related to the crystal surface per volume was found to be independend of the crystal size. The effect of temperature on the rate constant was described using the Arrhenius equation. The use of suspension of lime as precipitating agent leads to decrease of the rate constant compared to lime water. This effect can be explained by the dissolution of suspended calcium hydroxide particles. Using the presented conditions (SI0 = 2.8), no impact of iron and manganese ions was observed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta hydrochimica et hydrobiologica Wiley

Effect of Iron and Manganese Ions on the Crystal Growth of Calcium Carbonate

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References (10)

Publisher
Wiley
Copyright
Copyright © 1997 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0323-4320
eISSN
1521-401X
DOI
10.1002/aheh.19970250406
Publisher site
See Article on Publisher Site

Abstract

The present study describes examinations of growth rate of calcium carbonate using seed crystals of different sizes in the range of 10 to 50 μm at concentrations in the range of 5 to 50 g·L−1. The rate constant related to the crystal surface per volume was found to be independend of the crystal size. The effect of temperature on the rate constant was described using the Arrhenius equation. The use of suspension of lime as precipitating agent leads to decrease of the rate constant compared to lime water. This effect can be explained by the dissolution of suspended calcium hydroxide particles. Using the presented conditions (SI0 = 2.8), no impact of iron and manganese ions was observed.

Journal

Acta hydrochimica et hydrobiologicaWiley

Published: Jan 1, 1997

Keywords: ; ; ;

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