Manganese Based Perovskites in Ethanol Steam Reforming

The reactivity of Bi0.5Sr0.5MnO3, Bi0.5Sr0.5Mn0.7Cu0.3O3, Bi0.5Sr0.5Mn0.7Ni0.3O3, La0.5Sr0.5Mn0.7Cu0.3O3 and La0.5Sr0.5Mn0.7Ni0.3O3 in ethanol steam reforming was studied. Different steam to carbon ratios have been tested (therefore referred as S/C = 1.5, and S/C = 6). The effect of an ad hoc reduction pre-treatment was also investigated. Ethanol conversion is highest in La0.5Sr0.5Mn0.7Ni0.3O3 and significant selectivity toward hydrogen and CO2 is observed. The reduction pre-treatment is more effective on nickel containing catalysts, enhancing both ethanol conversion and H-2 and CO2 selectivity.