Algicidal Granules from Ceramized Rock. Part 1. Development of Rocks Selection Criteria
Sokov V.N. Ramazanov E.A.
January 2023Springer
Refractories and Industrial Ceramics
2023#63Issue 5540 - 542 pp.
Until recently in the Russian Federation, there was no production of ceramized roofing granules as a product. The basis for producing such granules is the formation of a protective-decorative shell on a mineral carrier (rock). Such granules should have chemical elements in their shell that prevent biofouling and destruction of the protective layer. The criteria for the selection of rocks in Russia with a certain mineral form of iron fixation have been established. A scale of thermogravimetric rock activity has been developed. The production technology involves the application of two layers; at that, the inner layer contains a biocide in the form of copper-zinc brass. The ceramic shell is formed from a solution of kaolin, pigments and sodium liquid glass. As a result of firing, the ceramized granules are covered with a coloured insoluble shell. The solubility of the granules shell is determined by their surface alkalinity.
biocide , biofouling , ceramized (ceramic) granules , copper-zinc brass , drum furnace , iron oxyhydroxides , rock , surface alkalinity
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Moscow State University of Civil Engineering, Moscow, Russian Federation
Engineering Academy of the Republic of Kazakhstan, Almaty, Kazakhstan
Moscow State University of Civil Engineering
Engineering Academy of the Republic of Kazakhstan
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