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2 042 617

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C1

(51)

IPC

(21) (22)

Application

92012979/26, 1992-12-21

(22)

Actual filing date

1992-12-21

(45)

Published

1995-08-27

(72)

Inventor

Lavrent'Ev V.G.Babkin V.A.

(73)

Holder

Filial Khimii Drevesiny Irkutskogo Instituta Organicheskoj Khimii So Ran

METHOD OF PREPARING GRANULATED ACTIVE COAL Russian patent published in 1995 - IPC

Abstract RU 2042617 C1

FIELD: chemical technology. SUBSTANCE: hydrolytic lignin is mixed with aqueous solution of mixture containing potassium carbonate at concentration 10-90% of lignin mass and potassium halide - potassium iodide, potassium bromide, potassium chloride or their mixture at concentration 10-90% of lignin mass. EFFECT: improved method of active coal preparing. 2 cl, 1 tbl

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RU 2 042 617 C1

Authors

Lavrent'Ev V.G.

Babkin V.A.

Dates

1995-08-27—Published

1992-12-21—Filed

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