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2 175 885

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IPC

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Application

2000131025/12, 2000-12-13

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Start date

2000-12-13

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Actual filing date

2000-12-13

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Published

2001-11-20

(72)

Inventor

Chebykin V.V.Smirnov V.F.Karev V.A.Dvoretskij G.V.Parshenkov M.V.Maksimova L.M.Mukhin V.M.Gur'Janov V.V.Petrunin V.A.Sheluchenko V.V.Kuchinskij E.V.Fokin E.A.Ul'Janov V.A.

(73)

Holder

Gosudarstvennoe Unitarnoe Predprijatie Nauchno-Proizvodstvennoe Ob"Edinenie

METHOD OF PREPARING MODIFIED ACTIVATED CARBON Russian patent published in 2001 - IPC

Abstract RU 2175885 C1

FIELD: sorption technics. SUBSTANCE: modified activated carbon for cleaning air and liquid media is prepared by impregnating coals with summary pore volume 0.4-1.8 cu.cm/g with water or 1-4% hydrochloric acid solution observing ratio of summary volume of coal and water or acid solution equal to 1: (0.7-1.0), after which coals are treated with 9-15% solution of thermoreactive resin in furfurol at coal-to-solution weight ratio 1:(0.35-0.68), aged to achieve looseness, subjected to heat treatment with temperature raise rate 450-900 C/h to temperature 700-900 C, and kept at this temperature for 0.2-0.5 h. EFFECT: increased adsorption capacity and strength. 1 tbl, 7 ex

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RU 2 175 885 C1

Authors

Chebykin V.V.

Smirnov V.F.

Karev V.A.

Dvoretskij G.V.

Parshenkov M.V.

Maksimova L.M.

Mukhin V.M.

Gur'Janov V.V.

Petrunin V.A.

Sheluchenko V.V.

Kuchinskij E.V.

Fokin E.A.

Ul'Janov V.A.

Dates

2001-11-20—Published

2000-12-13—Filed