METHOD FOR PRODUCTION OF ALUMINOSILICATE COAGULANT Russian patent published in 1997 - IPC

Abstract RU 2088527 C1

FIELD: production of aluminosilicate coagulant. SUBSTANCE: aluminosilicate raw materials are treated by sulfuric acid, its quantity is 6-14 mas. -%. Into thus prepared solution stabilizing agent is added, its quantity being 0.05-1.0 g/l. Said sulfuric acid may be used as its mixture with hydrogen chloride acid, mass ratio of sulfuric acid and hydrogen chloride acid is (80:20)-(99:1), respectively; total concentration of acids is 6-14 mas. -%. Water soluble polymer materials or surfactants or sodium polyphosphate or urea may be used as stabilizing additive. EFFECT: improved efficiency. 6 cl

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RU 2 088 527 C1

Authors

Silos I.V.

Kim V.

Lisjuk B.S.

Makarov N.A.

Zakharov V.I.

Dates

1997-08-27—Published

1995-04-26—Filed