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2 177 907

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IPC

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Application

99122532/12, 1999-10-26

(24)

Start date

1999-10-26

(22)

Actual filing date

1999-10-26

(45)

Published

2002-01-10

(72)

Inventor

Malanin V.I.Maksimov A.A.Kvashnin Eh.M.Maksimov A.A.Aparin S.A.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Altajskij Nauchno-Issledovatel'Skij Institut Tekhnologii Mashinostroenija

METHOD OF PREPARING ACTIVATED CARBON Russian patent published in 2002 - IPC

Abstract RU 2177907 C2

FIELD: food, chemical industries and municipal service. SUBSTANCE: method comprises carbonization of charcoal by heating it to 830 C and activation by supplying steam, supply of steam for activation purposes is carried out at temperature of 150 C and pressure of 4-6 atm and activated carbon temperature is reduced to 750 C and carbonization and activation are then repeated, and greater blue methylene capacity is attained. EFFECT: more efficient preparation method. 1 tbl

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RU 2 177 907 C2

Authors

Malanin V.I.

Maksimov A.A.

Kvashnin Eh.M.

Maksimov A.A.

Aparin S.A.

Dates

2002-01-10—Published

1999-10-26—Filed