ALUMINOSILICATE MIXTURE FOR PRODUCTION OF GRANULES Russian patent published in 1999 - IPC

Abstract RU 2140875 C1

FIELD: processing of aluminosilicate raw materials in production of granulated materials designed for use in various industries using granules, for instance, as wedging agents (propants) in oil recovery by method of hydraulic fracturing of formation. SUBSTANCE: aluminosilicate mixture contains kaolin roasted at 700- 900 C and containing 30-45 wt.% of Al2O3 and additive increasing granule strength. Additive is used in form of the following substance or their mixtures: alumina dust as waste of alumina production, baddeleyite, powdery zirconium concentrate roasted at 800-1100 C and nonroasted bauxite with the following amounts of components, wt.%: roasted kaolin 70-99.5; additive 0.5- 30. EFFECT: extended base of production of high-strength granules (propants) and reduced costs. 12 cl, 1 tbl

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RU 2 140 875 C1

Authors

Simanovskij B.A.

Rozanov O.M.

Mozhzherin V.A.

Migal' V.P.

Sakulin V.Ja.

Novikov A.N.

Salagina G.N.

Shtern E.A.

Dates

1999-11-10Published

1998-10-02Filed