AbstractAbout AuthorsReferences
Results of obtaining magnesium bicarbonate Mg(HCO3)2 by the method of carbonization of suspensions from different magnesia powder under the carbon dioxide pressure are presented. It is established that optimal conditions for obtaining the water solution of magnesium bicarbonate with high concentration are CO2 pressure of 9 atm and an initial suspension on the basis of caustic brucite. The use of the water solution of magnesium bicarbonate as mixing liquid for magnesia cements makes it possible to obtain the hydraulic magnesia binder of high water resistance capable to solidify both on air and in the water.
N.A. MITINA, Candidate of Sciences (Engineering)
V.A. LOTOV, Doctor of Sciences (Engineering)
A.V. SUKhUShINA, MA Student
V.A. LOTOV, Doctor of Sciences (Engineering)
A.V. SUKhUShINA, MA Student
National Research Tomsk Polytechnic University (30, Lenin Avenue, Tomsk, 634050, Russian Federation)
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16. Patent US 2005/0255174 A1 Process and apparatus for use in preparing an aqueous magnesium bicarbonate solution. Shelley Ar., Shelley D., Beckett R.J. Pub. Date Nov. 17, 2005.
17. Patent RF 2374176 Sposob polucheniya ul'tradispersnykh poroshkov karbonatov [A method for producing ultrafine powders carbonates]. Smirnov A.P., Lotov V.A., Arkhipov V.A., Prokhorov A.N., Reznikov I.V. Declared 04.04.2006. Published 27.11.2009. Bulletin No. 33. (In Russian).
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2. Orlov A.A., Chernykh T.N., Kramar L.Ya. Magnesium oxychloride boards: problems of production, use and prospects of development. Stroitel'nye Materialy [Construction Materials]. 2014. No 3, pp. 48–52. (In Russian).
3. Shand Mark A. Chemistry and technology of magnesia. Hardcover. 2006. 266 p.
4. Zimich V.V., Kramar L.Ya., Trofimov B.Ya. Effect of different types on a mixing magnesia stone hygroscopicity. Vestnik YuUrGU. Series «Stroitel'stvo i arkhitektura». 2008. Vol. 6. No 12. pp. 13–15. (In Russian).
5. Svit T.F. Thermogravimetric study of the products of hydration and hardening of magnesium sulfate binders Polzunovskii vestnik. 2010. No 3, pp. 100–103. (In Russian).
6. Zimich V.V., Kramar L.Ya., Trofimov B.Ya. Fall in hygroscopicity and rise of water resistance of chlormagnezic stone by injection of trivalent iron. Stroitel'nye Materialy [Construction Materials]. 2009. No 5, pp. 58–61. (In Russian).
7. Zimich V.V., Kramar L.Ya., Chernykh T.N., Pudovikov V.N., Perminov A.V. Features of influence of additives iron hydroxide sol on structure and properties of magnesia stone. Vestnik YuUrGU. Series «Stroitel'stvo i arkhitektura». 2011. Vol. 13. No 35, pp. 25–32. (In Russian).
8. Vereshchagin V.I., Smirenskaya V.N., Érdman S.V. Water-resistant blended oxychlorаte cements. Glass and Ceramics. 1997. Vol. 54. No. 11–12, pp. 368–372.
9. Zyryanova V.N., Lytkina E.V., Berdov G.I. Improvement of the mechanical strength and water resistance of magnesia binders with the introduction of mineral fillers. Izvestiya vysshikh uchebnykh zavedenii. Stroitel'stvo. 2010. No 3, pp. 21–26 (In Russian).
10. Cole W.F., Demediuk T. X-Ray, thermal, and dehydration studies on magnesium oxychlorides. Australian Journal of Chemistry. 1955. Vol. 8(2), pp. 234–251.
11. Patent RF 2404144 Magnezial'noe vyazhushchee [Magnesia binder] Lotov V.A, Lotova L.G. Declared 31.07.2009. Published 20.11.2010. Bulletin No. 32. (In Russian).
12. Lotov V.A., Mitina N.A. Preparation of water-resistant magnesia astringent Tekhnika i tekhnologiya silikatov. 2010. Vol. 17. No 3, pp. 19–22. (In Russian).
13. Fedorenko V.I. Physico-chemical properties of water as a basis for engineering calculations of membrane water treatment systems. Membrany. Series. Kriticheskie tekhnologii. 2002. No 16, pp. 28–38 (In Russian).
14. Nekrasov B.V. Osnovy obshchei khimii [Fundamentals of general chemistry] Moscow: Khimiya. 1973. 122 p.
15. Certificate of authorship SSSR 406802. Sposob polucheniya rastvora bikarbonata magniya [Method of preparing a solution of magnesium bicarbonate]. Telitchenko V.A. Published 23.07.1989. Bulletin No. 27. (In Russian).
16. Patent US 2005/0255174 A1 Process and apparatus for use in preparing an aqueous magnesium bicarbonate solution. Shelley Ar., Shelley D., Beckett R.J. Pub. Date Nov. 17, 2005.
17. Patent RF 2374176 Sposob polucheniya ul'tradispersnykh poroshkov karbonatov [A method for producing ultrafine powders carbonates]. Smirnov A.P., Lotov V.A., Arkhipov V.A., Prokhorov A.N., Reznikov I.V. Declared 04.04.2006. Published 27.11.2009. Bulletin No. 33. (In Russian).
18. Mitina N.A., Lotov V.A., Kutugin V.A. Preparation and use of a solution of magnesium carbonate. Khimicheskaya tekhnologiya. 2014. No 8. pp. 460–465. (In Russian).
19. Kratkii spravochnik po khimii [Quick reference guide for chemistry]. Kiev: Naukova dumka. 1974. P. 156–159.
20. Vaivad A.Ya. Magnezial'nye vyazhushchie veshchestva [Magnesia binders]. Riga: «ZINATNE». 1971. 331 p.
21. Zuev V.V., Potselueva L.N., Goncharov Yu.D. Kristalloenergetika kak osnova otsenki svoistv tverdotel'nykh materialov [Crystal energy as a basis of valuation of properties of solid materials]. Saint-Petersburg. 2006. 139 p.
For citation: Mitina N.A., Lotov V.A., Sukhushina A.V. Mixing Liquid for a Magnesia Binder. Stroitel’nye Materialy [Construction Materials]. 2015. No. 1, pp. 64-68. DOI: https://doi.org/10.31659/0585-430X-2015-721-1-64-68