Influence of Water Hardness, Substrate Nature and Temperature on Heterogeneous Calcium Carbonate Nucleation

Topics:
Chemical
Tags:
Construction,
Reed Elsevier Inc.,
Temperature
Source:
Reed Elsevier

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Overview: This paper studies the effect of water hardness, temperature and the nature of walls on CaCO3 heterogeneous nucleation, which is the main condition of scale. The probability of CaCO3 heterogeneous precipitation increased for weak water hardness and weak temperatures. The wall nature did not influence the precipitation kinetics for hard water and high temperatures, but it had an important effect on the type of nucleation. The determination of the precipitate scale amount following heterogeneous nucleation by means of a weighted method showed that plastic materials have a greater scaling susceptibility than metallic materials.

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Format: PDF | Size: 233KB | Date: Mar 2004 | Pages: 6

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