专利汇可以提供Production of charcoal from sawdust in a fluidized bed专利检索,专利查询,专利分析的服务。并且A method for disposing of wood refuse and recovering valuable wood by-products without polluting the ennvironment by mixing the wood refuse with inert granulated bed material to form a fluidizable mixture which is heated in a fluidized bed pyrolyzer until charcoal and other by-products are formed. Upon discharge of the charcoal and bed material from the pyrolyzer, they are separated and the inert material is mixed with additional wood refuse and recirculated through the pyrolyzer while the charcoal is cooled in an oxygen-free atmosphere. The other wood byproducts are carried from the pyrolyzer with the off-gas, from which they are separated and recovered for further processing, leaving only the purified off-gas to be vented to the environment. The method is also useful for producing activated charcoal by treating the charcoal and bed material mixture in a second fluidized bed to activate the charcoal before discharge to the separator and charcoal cooler. Also disclosed is a fluidized bed containment vessel having a baffled interstructure to eliminate back mixing of the wood refuse with the charcoal already formed in the bed.,下面是Production of charcoal from sawdust in a fluidized bed专利的具体信息内容。
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