The NiO-MgO solid solution monolithic catalyst was prepared by the wet impregnation method.Sixty hours partial oxidation reforming tests were carried out at 750℃.TG-DSC was used to analyze the carbon deposition on the surface of the catalyst.GC and GC-MS were used to analyze the components of biomass raw gas and tar conversion products.The results showed that the addition of O2 could effectively increase the quality of fuel gas.Molar ratio of H2/CO increased by 10% compared with that of dry reforming.But more O2 would decrease the H2/CO ratio.The addition of O2 could also significantly increase the activity and stability of the catalyst.The CH4 conversion reached 99%

which was 5% higher than that of dry reforming.TG-DSC showed that the increase of O2/raw gas ratio could decrease the carbon deposition on the surface of the catalyst.Tar collected from biomass gasification was added in feed raw gas.GC-MS showed that most of the tar was converted to H2

CO and a trace amount of lighter components. The addition of O2 could eliminate the oxygen-containing organic compounds which were difficult to be eliminated in dry reforming.