COMPOSITION FOR PRODUCING POROUS AGGREGATE Russian patent published in 2017 - IPC C04B14/24 C04B20/06 C04B38/00 

FIELD: chemistry.

SUBSTANCE: composition for the manufacture of porous aggregate includes, wt %: soda waterglass with the density of 1.41 g/cm³ 50-75, sodium chloride milled to a size less than 0.3 mm, 1-3, burnt rocks ground to pass through a 0.14 mm, sieve 12-34, chromite ore enrichment waste milled to pass through a sieve 0.14, with the oxides content, by wt %: SiO₂ - 28.17; Al₂O₃ - 2.37; Fe₂O₃ - 8.64; CaO - 2.24; MgO - 32.8; Cr₂O₃ - 12.68; R₂O - 1.4; LOI - 11.7, 10-15.

EFFECT: increasing the compressive strength and the softening coefficient of the porous aggregate, industrial waste recycling.

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