以猝冷法制备了三元Ni47.8Mo2.2Al50合金,经碱处理活化抽Al及SnCl2修饰,得到了Sn修饰的猝冷骨架Ni-Mo催化剂(RQSnxNiMo).结果表明,Sn的修饰对催化剂的组成、织构、结构及表面活性位均有显著的影响.将该催化剂应用于乙二醇液相重整反应中,发现Sn的加入使H2选择性大幅度提高.在RQ Sn10NiMo催化剂上,在乙二醇高转化率下,H2选择性达到98.7%,且有效抑制了烷烃的生成.结合催化剂的表征及反应动力学结果,讨论了Sn对猝冷骨架NiMo催化剂的修饰作用.
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