Development of the efficient gasification of the biomass using Black Liquor

采用黑液物理混合的方法对生物质进行了高效气化研究。结果表明，黑液与生物质混合物在CO_2气化和蒸汽气化过程中，由于黑液中的钠作为气化催化剂，气化速度明显加快。并确定了用于纸浆组织溶解过程的化学物质钠作为残留物被回收。此外，研究了黑液对生物质热解/气化过程中焦油生成的影响，发现黑液对焦油的抑制效果较好。这意味着黑液与生物质共气化可以成为生物质的高效转化过程。

This research was carried out to gasify biomass efficiently by physical mixing of black liquor. Applicants showed clearly that gasification speed was remarkably promoted during CO_2 gasification and steam gasification of mixture of black liquor and biomass because sodium in black liquor acted as a gasification catalyst. And, it was confirmed that sodium which is the chemical for pulp tissue dissolution process was recovered as a residue. Moreover, the influence of black liquor on tar produced under pyrolysis/gasification of biomass was investigated, and it is revealed that black liquor was quite effective to suppress the tar.These results mean that co-gasification of black liquor and biomass can become efficient conversion process of biomass.