Abstract
The main results of an experimental work on co-gasification of a Chinese bituminous coal and two types of biomass in a bench-scale fluidized bed are reported in the present study. Experiments were performed at different oxygen equivalence ratio, steam/carbon ratio and biomass/coal ratio. In addition, stabilization of co-gasification process was investigated. It was found that a relatively low oxygen equivalence ratio favors the increase of syngas yield (CO + H 2). There is a maximum value in the curve of syngas yield versus steam/carbon ratio. Moreover, the content of H 2 in gas increases with the increase of biomass ratio while that of CO and syngas yield decrease. A continuous stable operation can be gained.
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