By using the melting method, Sn-modification was achieved during the preparation of the original NiAl alloy.Then the RQ Ni-Sn catalysts were obtained.

• 采用熔融法在急冷NiAl合金制备时加Sn修饰得到RQ Ni-Sn催化剂，同样对其结构和性质进行表征，发现修饰后的催化剂有更大的比表面积、孔容和孔径，更宽的孔径分布，更小的晶粒。