METHOD OF PREPARING ALUMINIUM OXYCHLORIDE Russian patent published in 1998 - IPC

Abstract RU 2121972 C1

FIELD: manufacture of aluminium oxychloride. SUBSTANCE: aluminium chloride solution is passed through stationary layers of aluminium-containing stock. Process is carried out at temperatures from 70 to 95-98 C for 6 to 10 hours. The resulting aluminium oxychloride solution is cooled to room temperature, pH of solution is increased to 3.9-4.5 in the presence of oxidizing agent, and is then filtered. EFFECT: more efficient preparation method. 4 cl, 1 tbl

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RU 2 121 972 C1

Authors

Andreev Ju.V.

Ekimov S.V.

Sinitsin A.S.

Amerikov V.G.

Zotov V.I.

Dates

1998-11-20—Published

1995-04-25—Filed