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2 031 836

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C1

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IPC

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Application

5035670/26, 1992-04-03

(22)

Actual filing date

1992-04-03

(45)

Published

1995-03-27

(72)

Inventor

Glushankov S.L.Kutumin V.A.Olontsev V.F.Mamonov O.V.Davydova L.N.Teterin A.V.Simkin Ju.Ja.

(73)

Holder

Vsesojuznyj Nauchno-Issledovatel'Skij Tekhnologicheskij Institut Uglerodnykh Sorbentov

METHOD OF CHARCOAL PREPARING Russian patent published in 1995 - IPC

Abstract RU 2031836 C1

FIELD: chemical technology. SUBSTANCE: hydrolytic lignin is dried up to humidity 20-25%, briquetted under pressure 30-40 MPa, heated in rotating muffle furnace at the rate 15-20 C/min up to 400-500 C, carbonized, activated with agent containing steam and separated by fractions. EFFECT: improved method of charcoal preparing. 1 tbl

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RU 2 031 836 C1

Authors

Glushankov S.L.

Kutumin V.A.

Olontsev V.F.

Mamonov O.V.

Davydova L.N.

Teterin A.V.

Simkin Ju.Ja.

Dates

1995-03-27—Published

1992-04-03—Filed

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