Biomass low-temperature gasification in a rotary reactor prior to cofiring of syngas in power boilers

Presented industrial-size gasification unit has been successfully built in Marcel power plant in Radlin town, Poland. It consist an innovative rotary gasification reactor. Gasification process takes place with use of flue gas from coal and coke-oven fired boiler as a gasifying agent with recirculation of resulting gas (syngas) with combustible components: CO, H2, CH4. CnHm to the boiler's combustion chamber. The construction of the reactor allows the use of a wide range of fuels (biomass, industrial waste and municipal waste). This paper presents the results of the reactor tests using coniferous wood pellets as a fuel. Presented tests confirmed a possibility of continuous low-temperature gasification in a rotary gasification reactor with combustion of a process' products in boiler's combustion chamber.