Study of the Effect of Recipe and Technological Parameters for Water Absorption of Pressed Citrogypsum-Based Materials

The use of gypsum-containing by-products as a raw material for the production of gypsum binders and products corresponds to the concept of rational environmental management. However, obtaining a high-quality gypsum product, in the case of replacing natural gypsum with gypsum-containing by-products, using standard technological methods and equipment is extremely difficult. This contributed to the development of additional techniques and new approaches to the manufacture of gypsum products, the most promising of which is the pressing method. Based on the fact that the manufacture of products using the pressing method is an energy-intensive process, it is extremely important to optimize it by selecting rational formulation and technological parameters that will ensure the production of a product with specified physical and mechanical characteristics with minimal material and energy consumption. For this purpose, the influence of the amount of filler, pressing pressure and water-solid ratio on the water absorption of products obtained by pressing a semi-dry raw mixture consisting of citrogypsum binder and citrogypsum (filler) was studied.

N.I. ALFIMOVA¹, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.);
S.Yu. PIRIEVA^1,2, Assistant (This email address is being protected from spambots. You need JavaScript enabled to view it.)

¹ Belgorod State Technological University named after V.G. Shukhov (46, Kostukova Street, Belgorod, 308012, Russian Federation)
² Belgorod National Research University (85, Pobedy Street, Belgorod, 308015, Russian Federation)

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