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Precipitation of F– Ions on the Mineral Surfaces in Water Purification Processes

delete2026-08-13
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М
М. А. Пашкевич
В
В. Г. Поваров
D
Daria D. Borisova *
DOI:10.3390/w18161975delete
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Abstract

Abstract

En 中文
This study investigates the kinetic parameters required for the engineering design of treatment plants employing fluorite precipitation technology. Particular emphasis is placed on the selection of a substrate for fluorite precipitation at the minimum acceptable calcium ion concentration, as well as on determining the precipitation rate of fluoride ions onto a substrate of given composition. In addition, the particle size of the substrate materials was examined. The degree of substrate dispersion was constrained by technological requirements: finely dispersed materials impede separation from the solution and reduce the filtration rate, whereas coarse-grained substrates provide insufficient contact area between the solution and the substrate.
Keywords:
waste water treatment
defluorination
sedimentation technology
calcium fluorite

Journal

W
Water
IF:
3
Papers:
3.1W
Citations:
7.4W

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