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2 228 904

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IPC

(21) (22)

Application

2002123949/15, 2002-09-09

(24)

Start date

2002-09-09

(22)

Actual filing date

2002-09-09

(45)

Published

2004-05-20

(72)

Inventor

Shmigidin Ju.I.Teslja V.G.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Aljuminievo-Magnievyj Institut" Sankt-Peterburg, Srednij Pr-T,

COARSE ALUMINUM HYDROXIDE PRODUCTION PROCESS Russian patent published in 2004 - IPC

Abstract RU 2228904 C1

FIELD: inorganic compounds technology. SUBSTANCE: process comprises decomposition of aluminate solution, two-stage separation of hydrate slurry in centrifugal field into coarse and fine fractions, wherein, in the first stage, hydrate slurry is mixed with clarified mother solution and, in the second stage, fine fractions are levigated. EFFECT: enabled regulation of aluminum hydroxide product fineness by changing granulometric composition of starting material. 2 cl, 1 dwg, 1 tbl

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RU 2 228 904 C1

Authors

Shmigidin Ju.I.

Teslja V.G.

Dates

2004-05-20—Published

2002-09-09—Filed