Patent ID: 6669822
Filing Date: 2003-12-30
Classification: C01B,C10B,C10C,C10J,Y02E

Abstract:
A method of producing at least one of charcoal and activated carbon from solid wastes, said method comprising:performing one of pyrolysis gasification and combustion of at least one of a secondary waste material and fuel in a fluidized-bed furnace to generate gas; and supplying the solid wastes to a freeboard of the fluidized-bed furnace via a casing arranged through the freeboard, the casing having an upstream portion and a downstream portion with respect to a flow of the solid wastes therethrough, and the casing having openings only in the downstream portion so as to allow the generated gas to pass through the casing such that the solid wastes are directly exposed to the generated gas to produce the at least one of charcoal and activated carbon from the solid wastes.