COMPOSITION FOR PRODUCING UNFIRED FLY ASH AGGREGATE Russian patent published in 2013 - IPC C04B18/10 

Abstract RU 2482081 C1

FIELD: chemistry.

SUBSTANCE: invention relates to techniques for producing unfired fly ash aggregate based on acidic ash and additives. The composition for producing unfired fly ash aggregate, which includes acid ash from heat power industry, portland cement, ground blast-furnace slag, an additive which accelerates hardening of gummy granules - sodium sulphate, additionally contains ground basic rock - hornblendite, with the following ratio of components in wt %: portland cement - 15-20, ground blast-furnace slag - 0-25, sodium sulphate - 2; hornblendite - 10-25, acidic ash - the balance.

EFFECT: high strength and frost resistance of unfired fly ash aggregate through optimisation of the composition which is taken for granulation.

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RU 2 482 081 C1

Authors

Kapustin Fedor Leonidovich

Ryzhkova Irina Viktorovna

Tarabukhina Ol'Ga Georgievna

Ufimtsev Vladislav Mikhajlovich

Dates

2013-05-20Published

2011-09-20Filed