The book describes fluidized bed gasification of biomass to generate hydrogen rich medium calorific value gas using steam as gasifying medium basic studies on steam biomass gasification process have been carried out in a laboratory scale bubbling fluidized bed gasifier and the endothermic heat is supplied by electrical heating. Biomass gasification provides a means of deriving more diverse forms of energy from the thermochemical conversion of biomass than conventional combustion the basic gasification process involves devolatization combustion and reduction fixed bed gasifiers and fluidized bed gasifiers the conversion of biomass into a combustible gas . Thermochemical biomass gasification technologies and products ralph p overend stanford university global climate and energy biomass ash cyclone fluid bed gasifier secondary circulating fluid bed gasifier fly ash bottom ash biomass air steam thermo chemical . Fluidized bed gasifier the solid fuel is fluidized by the addition of air at high velocity into the bed which is made of small diameter particles such as sand or alumina to improve the fluidization the solid thus behaves as a fluid for a good homogenization of temperature and reactants
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