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2 046 757

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Application

93034325/26, 1993-07-01

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Actual filing date

1993-07-01

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Published

1995-10-27

(72)

Inventor

Gol'Dinov A.L.Denisov A.K.Novoselov F.I.Dedov A.S.Abramov O.B.Zhirov V.I.Khakhulina L.A.

(73)

Holder

Kirovo-Chepetskij Khimicheskij Kombinat

METHOD OF CALCIUM CHLORIDE SOLUTION PURIFICATION Russian patent published in 1995 - IPC

Abstract RU 2046757 C1

FIELD: chemical technology. SUBSTANCE: calcium chloride is treated preliminary with synthetic chalk at pH 3-4 followed by its neutralization with calcium hydroxide up to pH above 8 and separation of impurity precipitate. EFFECT: increased specific filtration output and purification degree. 2 cl, 1 tbl

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RU 2 046 757 C1

Authors

Gol'Dinov A.L.

Denisov A.K.

Novoselov F.I.

Dedov A.S.

Abramov O.B.

Zhirov V.I.

Khakhulina L.A.

Dates

1995-10-27—Published

1993-07-01—Filed

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