AbstractAbout AuthorsReferences
Presents the results of investigations on elimination of efflorescence on the front faces of ceramic products arising in the production process the clay raw materials containing soluble salts. Developed solutions based on phosphoric acid, which is necessary to cover the verge of the nascent samples. It is determined that the value of pH of acid solution should be reduced with increasing the content of water-soluble salts in the clay raw material. In addition to eliminating whitish strikes the proposed solution helps to ensure a more saturated coloring of the front surface. It is shown that the proposed method will contribute to the expansion of the resource base through involvement in the production of clay raw materials with high content of soluble salts and increase in the production of high quality facial products
A.A. NAUMOV, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.)
Rostov State University of Civil Engineering (162, Sotcialisticheskaya Street, Rostov-na-Donu, 344022, Russian Federation)
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3. Naumov A.A. About possibility of manufacturing facing bricks from kagalnitsky clay raw materials. Nauchnoe obozrenie. 2014. No. 10-2. pp. 388–391. (In Russian).
4. Al’perovich I.A., Lebedeva E.P. Use of barium compounds for the production of face clay brick / Vniistrom’s Works. Moscow, 1974. Vol. 29 (57), 71 p. (In Russian). Published 10.10.1997. (In Russian).
5. Patent RF 2161596. Sposob ustraneniya sul’fatnykh vysolov na poverkhnosti keramicheskikh oblitsovochnykh izdelii. [Way of elimination of sulphat elfflorescence on a surface of ceramic facing products]. Chumachenko N.G., Evsteev S.N. Declared 08.02.1999. Published 10.01.2001. Bulletin No. 1. (In Russian).
6. Inchik V.V. Vysoly i solevaya korroziya kirpichnykh sten. [Efflorescence and salt corrosion of brick walls]. St. Petersburg: SPbGASU. 1998. 324 p.
7. Patent RF 2092465. Sposob izgotovleniya litsevogo kirpicha. [Method of manufacturing facing bricks]. Zverev V.A., Arkhangel’skii I.N., Anufriev A.I., Nedzel’skii V.E., Bezrodnyi V.G. Declared 23.03.1995.
8. Vakalova T.V., Pogrebenkov V.M., Revva I.B. Causes of formation and ways of elimination of efflorescence in the technology of ceramic bricks. Stroitel’nye Materialy [Constructions Materials]. 2004. No. 2, pp. 30–31. (In Russian).
9. Shlegel’ I.F., Shaevich G.Ya., Grishin P.G., Karabut L.A., Bulgakov A.N., Titov G.V., Kotelin P.L., Korovitskii N.L. Effective way to improve the quality of bricks – moisture curing coating compositions. Stroitel’nye Materialy [Constructions Materials]. 2004. No. 2, pp. 22–23. (In Russian).
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