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1 628 452

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IPC

(21) (22)

Application

4686464/26, 1989-04-28

(22)

Actual filing date

1989-04-28

(45)

Published

1994-08-30

(72)

Inventor

Lejkin Ju.A.Poluehktov K.V.Mejchik N.R.Avdjushkina T.V.Glotova I.S.Abramova A.G.Mazur S.G.

PROCESS FOR RECOVERING CHROMIUM (VI) FROM AQUEOUS SOLUTIONS Russian patent published in 1994 - IPC

Abstract SU 1628452 A1

FIELD: chemical industry. SUBSTANCE: recovery of chromium (VI) from aqueous solutions by passing the aqueous solutions through a column containing an organic sorbent followed by desorption with sodium hydroxide solutions wherein the organic sorbent is a product of reaction between a chloromethylated styrene-divinyl benzene copolymer and dimethylformamide. EFFECT: greater efficiency of the process. 1 tbl

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SU 1 628 452 A1

Authors

Lejkin Ju.A.

Poluehktov K.V.

Mejchik N.R.

Avdjushkina T.V.

Glotova I.S.

Abramova A.G.

Mazur S.G.

Dates

1994-08-30—Published

1989-04-28—Filed