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2 186 731

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Application

2000118513/12, 2000-07-11

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Start date

2000-07-11

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Actual filing date

2000-07-11

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Published

2002-08-10

(72)

Inventor

Alekseeva G.N.Demidov V.P.Shipkova N.L.Tonkov L.I.Okatyshev N.G.Galkin E.A.Alifanova N.N.Khavrova L.T.Kharitonov V.P.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

METHOD OF SYNTHESIS OF ALUMINIUM HYDROXOCHLORIDE Russian patent published in 2002 - IPC

Abstract RU 2186731 C2

FIELD: inorganic chemistry, chemical technology. SUBSTANCE: invention relates to methods of synthesis of aluminium hydroxochloride used in systems of water preparing, sewage treatment, medicinal preparations and perfume-cosmetic articles. The parent solution of high-base aluminium hydroxochloride produced by dissolving metallic aluminium in hydrochloric acid and showing atomic ratio of chlorine to aluminium = 0.5-0.8 is evaporated up to the content of the basic substance in melt 25-30% as measured for Al2O3 and drying is carried out in film regime at t = 80-150 C using a heating crystallizer. Invention ensures to obtain high-base crystalline aluminium hydroxochloride with the content of basic substance 43-48% as measured for Al2O3. EFFECT: simplified technological process, high quality of product.

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RU 2 186 731 C2

Authors

Alekseeva G.N.

Demidov V.P.

Shipkova N.L.

Tonkov L.I.

Okatyshev N.G.

Galkin E.A.

Alifanova N.N.

Khavrova L.T.

Kharitonov V.P.

Dates

2002-08-10—Published

2000-07-11—Filed

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