COMPOSITION FOR MANUFACTURE OF EXPANDED AGGREGATE Russian patent published in 2017 - IPC C04B14/24 C04B20/06 C04B38/00 

Abstract RU 2614339 C1

FIELD: chemistry.

SUBSTANCE: invention relates to production of construction materials, specifically to production of water glass-based expanded aggregates, intended for manufacture of lightweight concrete, and fill insulation materials. Composition for manufacture of the expanded aggregate comprises as follows, wt %: sodium water glass with a density of 1.41 g/cm3 50-75, sodium chloride, ground to a particle size below 0.3 mm 1-3, burnt rock, ground to a particle size below 0.14 mm 12-34, drill cuttings, ground to a particle size below 0.14 mm, and oxides, wt %: SiO2 - 26.2; Al2O3 - 4.5; Fe2O3 - 5.6; CaO - 28.3; MgO - 1.2; R2O - 0.8; ignition loss - 33.4, 10-15.

EFFECT: composition for manufacture of expanded aggregates, with improved compression strength and softening temperature, industrial waste recycling.

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RU 2 614 339 C1

Authors

Abdrakhimova Elena Sergeevna

Dates

2017-03-24Published

2016-04-04Filed