Effect of Promoter MgO on CeO2/Al2O3 Oxygen Carrier Used in Partial Oxidation of Methane to Syngas，刘明春，王华，Promoter MgO on 10％CeO2/Al2O3 oxygen carrier was investigated for direct partial oxidation of methane to syngas in molten salt. The contents of 0.5%, 1%, 2%, 3% and 4%MgO on the