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THMT-18. Turbulence Heat and Mass Transfer 9 Proceedings of the Ninth International Symposium On Turbulence Heat and Mass Transfer
July, 10-13, 2018, Rio de Janeiro, Brazil

DOI: 10.1615/THMT-18


ISBN Print: 978-1-56700-468-7

ISBN Online: 978-1-56700-467-0

ISSN Print: 2377-2816

Physicochemical Modelling of Calcium Carbonate Scaling in Pipe Flow

pages 703-710
DOI: 10.1615/THMT-18.730
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摘要

Calcium carbonate scaling is a problem that may be of importance in several areas of industry, but that is yet to be fully understood, specially in regards to the working principles behind anti-incrustation devices. The interaction of particle dynamics, turbulent and reactive phenomena makes the subject especially complex, and the predictive capability of existing theories has a lot of possibility for improvement.
Here, a model for scaling in turbulent pipe flows from the literature was modified and applied to a case of calcium carbonate deposition. A chemical reaction model was also coupled to the calculations in order to enable the prediction of the solution properties.
The model results were compared to experimental measurements of particle size, deposition rate, pH and conductivity, and some differences were identified.

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