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2 071 937

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C1

(51)

IPC

(21) (22)

Application

92011528/26, 1992-11-30

(22)

Actual filing date

1992-11-30

(45)

Published

1997-01-20

(72)

Inventor

Ivakhnjuk G.K.Babkin O.Eh.Shevchenko A.O.Glukharev N.F.Levinson V.G.Shtabnoj V.A.

(73)

Holder

Aktsionernoe Obshchestvo

METHOD OF THE POWDERED ACTIVATED CARBON PRODUCING Russian patent published in 1997 - IPC

Abstract RU 2071937 C1

FIELD: adsorbents. SUBSTANCE: aspen wood in filling immobile layer is subjected for thermic treatment in gaseous flow containing activating agent firstly at simultaneous effect of constant electropotential at voltage 0.1-53.0 V and then - thermic treatment at the suspended carrying layer in water containing the dissolved gaseous activating agent at simultaneous effect of alternating standard frequency electropotential at voltage 90-110 kV. EFFECT: improved method of preparing. 1 tbl

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RU 2 071 937 C1

Authors

Ivakhnjuk G.K.

Babkin O.Eh.

Shevchenko A.O.

Glukharev N.F.

Levinson V.G.

Shtabnoj V.A.

Dates

1997-01-20—Published

1992-11-30—Filed

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