COMPOSITION FOR PRODUCING HEAT-RESISTANT COMPOSITES Russian patent published in 2014 - IPC C04B28/34 C04B111/20 

FIELD: chemistry.

SUBSTANCE: composition for producing heat-resistant concrete contains spent catalyst IM-2201, crushed rock, sand and H₃PO₄, and is characterised by that it further contains saline aluminium dross burnt at temperature of 1000°C, containing the following, wt %: SiO₂ - 4.75; Al₂O₃ - 77.3; Fe₂O₃ - 1.6; CaO - 2.57; MgO - 7.5; R₂O - 5.13, with the following ratio of components, wt %: spent catalyst IM-2201 10-15, crushed rock 33-40, sand 10-13, H₃PO₄ 10-15, said saline slag 24-30.

EFFECT: high compression strength and heat resistance.

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