Improving the Properties of Filled Gypsum Composites by Carbonization

VICTORIA PETROPAVLOVSKAYA, MARIA ZAVADKO, KIRILL PETROPAVLOVSKII, TATIANA NOVICHENKOVA, ALEKSANDR BURYANOV

Abstract


Carbonization of modified composites based on gypsum binder has been proposed as a promising method for producing gypsum materials with high technical properties. To reduce costs and improve manufacturability, mineral modifiers are used in gypsum composites. Together with gypsum and lime the waste of basalt production is used. In contrast to other methods, the proposed carbonization during the formation of gypsum forms a gypsum stone, which has a reduced porosity. Of particular interest is the clogging of external pores, which communicate with the external environment. It is these pores that reduce the water resistance of gypsum composites. The formation of carbonate phases in the structure of gypsum stone will help improve the performance of the material. At the same time, the problem of preserving the natural environment for future generations is being solved. It also increases the economic and environmental attractiveness of the project


DOI
10.12783/dteees/tpcase2018/30418

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