METHOD OF OBTAINING ACTIVATED CARBON Russian patent published in 2009 - IPC C01B31/08 C01B31/14

Abstract RU 2346889 C2

FIELD: chemistry.

SUBSTANCE: invention concerns sorption engineering. Method of obtaining activated carbon out of peat involves raw material grinding, addition of modifier at weight ratio of peat to modifier 1:(0.3-3), granulation, drying, carbonation at 450-600°C and granule activation by water steam or mix of H₂O+CO₂ at 880-950°C. Products of thermoplastic depolymerisation by sulfuric acid are used as peat modifiers, obtained at polymer to H₂SO₄weight ratio equal to 1:(1-3).

EFFECT: enhanced abrasion durability of activated peat-based carbon in 1,22-1,26 times (up to 95-98,2%) while keeping total pore volume above 0,7-0,8 cm³/g and micropore part in total pore volume around 63-36%.

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RU 2 346 889 C2

Authors

Khomutov Anton Nikolaevich

Mukhin Viktor Mikhajlovich

Klushin Vitalij Nikolaevich

Dates

2009-02-20—Published

2006-02-09—Filed