Catalytic Performance of Sn Modified Ni/Al2O3 for Degradation of N,N-dimethylformamide for H2 Production

• 1、Industrial Catalysis Institute of Zhejiang University of Technology

Abstract：A series of Sn modified Ni/Al2O3 catalyst (Ni-Sn/Al2O3) was prepared by impregnation method. The catalytic performance of the catalyst for the degradation of DMF for hydrogen production was investigated. The results indicated that the modification of Ni/Al2O3 with moderate amounts of Sn improves the activity of the catalyst highly. When the n(Sn)/n(Ni) = 0.1, the rate of hydrogen production increased from 43.4 μmol/min over the Ni/Al2O3 to 69.8 μmol/min over the Ni-Sn0.1/Al2O3. But the addition of large amounts of Sn to Ni/Al2O3 decreased the conversion of DMF highly. The characterization results from the N2 physical adsorption, X-ray diffraction (XRD) and hydrogen temperature programmed reduction (H2-TPR) suggested that Ni3Sn2 phase was formed in the Ni-Sn/Al2O3 catalyst, and the Ni-Sn/Al2O3 and Sn-Raney Ni possesses the similar structures. But the Ni-Sn/Al2O3 shows the higher BET surface area and higher activity for the degradation of DMF for hydrogen production than the Sn-Raney Ni catalyst.

Keywords： Sn modified Ni/Al2O3 catalysts catalytic degradation DMF aqueous phase reforming hydrogen production