METHOD OF PRODUCING ACTIVE COAL ON BASIS OF WOOD RAW MATERIALS Russian patent published in 2018 - IPC C01B32/318 C01B32/324 

Abstract RU 2675569 C1

FIELD: technological processes.

SUBSTANCE: invention relates to the production of active coals. Method of producing active coal based on wood raw material is proposed, including grinding the raw material to fragments of 3–7 mm, its carbonization and steam-gas activation. Iron wood is used as a raw material. Carbonization is carried out at a temperature of 420–450 °C with a temperature rise rate of 10–12 °C/min, and activation is carried out at a temperature of 850±20 °C and the consumption of water vapor, equal to 3–5 kg per 1 kg of carbonated coal.

EFFECT: method allows to obtain active coal with a high adsorption capacity for the extraction of toxic methanol vapors from cigarette smoke.

1 cl, 3 ex

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Authors

Klushin Vitalij Nikolaevich

Mukhin Viktor Mikhajlovich

Naing Linn Soe

Zin Moe

So Vin Mint

Nistratov Aleksej Viktorovich

Dates

2018-12-19Published

2018-04-28Filed