Research on gasification process of loose biomass material with oxygen-enriched air in fluidised bed gasifier

Fluidised bed gasification technology with oxygen-enriched air suitable for gasifying loose biomass materials was developed. Gasification experiments with different biomass materials such as rice straw, rice hull, wheat straw, sawdust and municipal wastes, were carried out. The tests showed that biomass materials can be gasified continuously at a temperature between 600 and 750°C. The heating value of wood gas is more than 5.8 MJ/Nm³. Catalysed gasifying processes for biomass materials were exploited and the results showed that catalysts can regulate gas compositions effectively.