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2 125 016

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C1

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Application

97114666/25, 1997-09-02

(22)

Actual filing date

1997-09-02

(45)

Published

1999-01-20

(72)

Inventor

Shmuilov L.N.Kuz'Min N.A.Perevozov G.A.Makarov S.N.Chernov V.I.Lazarev V.G.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Pikalevskoe Ob"Edinenie

METHOD OF ALUMINIUM HYDROXIDE CALCINATION Russian patent published in 1999 - IPC

Abstract RU 2125016 C1

FIELD: chemical technology. SUBSTANCE: invention relates to thermic treatment of powder-like substances, in part, for calcination of aluminium hydroxide. Wetted aluminium hydroxide is fed in gas conduit and subjected for thermic treatment under its suspended state with foam gases from furnace and preliminary purified from dust. Dust is cooled and removed from circulation. Aluminium hydroxide is calcined, obtained alumina is cooled, dust is cooled together with alumina. Invention ensures to increase device output by 15-20%. EFFECT: improved method of calcination. 2 cl, 1 dwg

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RU 2 125 016 C1

Authors

Shmuilov L.N.

Kuz'Min N.A.

Perevozov G.A.

Makarov S.N.

Chernov V.I.

Lazarev V.G.

Dates

1999-01-20—Published

1997-09-02—Filed

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