INDUSTRIAL WASTE DISCHARGE PRESERVATION COMPOSITION Russian patent published in 2012 - IPC E21C41/26 B02B1/00 

FIELD: mining.

SUBSTANCE: composition for preservation of industrial and domestic wastes contains filler, Portland cement, mineral material and water. As filler there used is foundry waste - waste moulding sand, mineral additive - zeolite, at the following component ratio, wt %: waste moulding sand - 80.6-85.0; Portland cement - 5.0-8.2; mineral additive - 2.4-6.5; water is the rest.

EFFECT: improving physical and mechanical properties and reducing water content of materials when changing the ambient temperature, which are used for preservation of industrial and domestic wastes.

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