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2 093 466

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Application

93027710/25, 1993-05-13

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Actual filing date

1993-05-13

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Published

1997-10-20

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Inventor

Surova L.M.Surov V.N.Sidel'Nikova S.Ju.Statkevich L.D.Savinov G.K.Arapova V.N.Rakhmanin Ju.A.Brevde M.S.

(73)

Holder

Aktsionernoe Obshchestvo Zakrytogo Tipa

METHOD OF PREPARING BASIC ALUMINIUM CHLORIDE Russian patent published in 1997 - IPC

Abstract RU 2093466 C1

FIELD: chemical industry. SUBSTANCE: main aluminium chloride is prepared by treating raw material with hydrochloric acid in two stages. In first stage treatment is carried till the yield of basic aluminium chloride is as high as 75-90 %, and in second stage, treatment is carried out at specific surface area of aluminium 50-100 sq.m/kg in the raw material and at aluminium to hydrochloric acid stoichiometric ratio. EFFECT: more efficient method. 1 tbl

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RU 2 093 466 C1

Authors

Surova L.M.

Surov V.N.

Sidel'Nikova S.Ju.

Statkevich L.D.

Savinov G.K.

Arapova V.N.

Rakhmanin Ju.A.

Brevde M.S.

Dates

1997-10-20—Published

1993-05-13—Filed

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