COMPOSITION FOR PRODUCTION OF HEAT RESISTANT CONCRETES Russian patent published in 2016 - IPC C04B28/34 C04B111/20 

FIELD: construction.

SUBSTANCE: composition for the production of heat resistant concretes, including spent catalyst IM-2201, crushed stone from carbonate rocks of fraction 5-10 mm, river sand with modulus of fineness 1.68 and H₃PO₄, additionally contains iron-containing waste of hydrometallurgical production of zinc with content, wt %: SiO₂ - 30.4; Al₂O₃ - 10.2; Fe₂O₃ - 43.2; CaO - 10.4; MgO - 2.8; R₂O - 3.0 at the following content of components, wt %: spent catalyst IM-2201 10-15, crushed stone from carbonate rocks of fraction 5-10 mm 33-40, river sand with the modulus of fineness of 1.68 10-13, H₃PO₄ 10-15, iron-containing waste of the hydrometallurgical production of zinc with content, wt %: SiO₂ - 30.4; Al₂O₃ - 10.2; Fe₂O₃ - 43.2; CaO - 4.10; MgO - 2.8; R₂O - 3.0 24-30.

EFFECT: increased strength limit under compression and heat resistance of heat resistant concretes.

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