Abstract
Tar generated in the biomass gasification process is currently the most difficult problem to solve. Gasification of tar and gas by catalytic steam reforming was examined in a woody biomass gasification process. The tar and gas reforming characteristics of the newly-developed Ni based catalyst that has superior resistance to coking and sulfur poisoning were investigated for the gasification of wood chips. The results of the experiment have confirmed that the newly-developed catalyst showed a high tar conversion activity at 750°C, and is stable even in a gas containing hydrogen sulfide and hydrogen chloride. A deactivation of the catalyst was not confirmed after 60 hours usage. Consequently, high cold gas efficiency (65%) and carbon conversion ratio (94%) were achieved.
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