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2 053 200

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IPC

(21) (22)

Application

92008060/26, 1992-11-24

(22)

Actual filing date

1992-11-24

(45)

Published

1996-01-27

(72)

Inventor

Tanutrov I.N.Sholokhov V.M.Makarova N.M.Konovalova T.E.

(73)

Holder

Nauchno-Issledovatel'Skij I Proektno-Konstruktorskij Institut Metallurgicheskoj Teplotekhniki Tsvetnoj Metallurgii I Ogneuporov

METHOD FOR PRODUCING ALUMINUM BEARING COAGULATOR Russian patent published in 1996 - IPC

Abstract RU 2053200 C1

FIELD: water cleaning. SUBSTANCE: coal ash is mixed with concentrated sulfuric acid. The mixture obtained is sintered at 300 - 350 C during 60 - 80 min. The sintered material is leached with water at 80 C during 30 min. with relation between liquids and solids equal to 1:(3.5 - 4). Then the mixture is filtered, concentrated and dried. 80 - 84 % of Al₂O₃ is extracted to solvent. EFFECT: simplified process of coagulator producing, decreased power consumption. 2 tbl

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RU 2 053 200 C1

Authors

Tanutrov I.N.

Sholokhov V.M.

Makarova N.M.

Konovalova T.E.

Dates

1996-01-27—Published

1992-11-24—Filed