Process for activating carbonaceous material

Details Process for activating carbonaceous material Process for activating carbonaceous material

1976-12-06

1978-08-15

Konopka, P. E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252421, C01B 3110, B01J 2118

Patent

active

041070844

ABSTRACT:
There is disclosed an improved process for activating carbon in a fluidized bed system which includes continuous activation at a temperature between 1,000.degree. F. and 2,200.degree. F. using a specific composition of fluidizing gases. The thermal energy required to activate the carbon and to maintain the bed temperatures is transferred only in part by the sensible heat of the fluidizing gases. The fluidizing gases contain excess oxygen, which reacts exothermically with the products of the activation reaction and contributes heat necessary to maintain the bed temperatures. The improved process may also entail introducing secondary excess air above the bed to react exothermically with products evolved from the reactions occurring within the bed to provide additional heat to drive the activation reaction.

REFERENCES:
patent: 3840476 (1974-10-01), Metrailer
patent: 3843559 (1974-10-01), Repik et al.

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