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2 147 291

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C1

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IPC

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Application

99113115/12, 1999-06-22

(24)

Start date

1999-06-22

(22)

Actual filing date

1999-06-22

(45)

Published

2000-04-10

(72)

Inventor

Zimin N.A.Mukhin V.M.Tamam'Jan A.N.Lejf V.Eh.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

ACTIVATED CARBON PRODUCTION PROCESS Russian patent published in 2000 - IPC

Abstract RU 2147291 C1

FIELD: carbon materials. SUBSTANCE: powdered carbon-containing material is mixed with binder to form granules that are then compressed, carbonized, and activated with water steam. According to invention, compressed granules are cooled to 15-25 C in air flow, carbonization is carried out in rotary drum furnace at temperature difference 50 to 200 C between granules and gas phase at drum inlet, and activation is accomplished by alternatively piercing granule bed with steam in direction perpendicular to granule bed travel. EFFECT: increased absorption capacity for organics in drinking water purification process and increased strength of granules. 3 ex

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RU 2 147 291 C1

Authors

Zimin N.A.

Mukhin V.M.

Tamam'Jan A.N.

Lejf V.Eh.

Dates

2000-04-10—Published

1999-06-22—Filed

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