负载型氧化物固体超强酸改性的研究进展

负载型氧化物固体超强酸是近年来发展的一种新型催化材料。对许多化学反应有较好的催化活性、选择性及重复使用性能，并可催化许多均相反应难以进行的各种化学反应。综述了国内外此类催化剂改性研究的最新进展。阐述了改进制备过程完成催化剂改性的方法。详细说明了载体中引入纳米材料、金属和金属氧化物、分子筛等对催化剂活性和稳定性的影响。最后展望了负载型氧化物固体超强酸催化剂的发展前景。

Advances in Modification of Supported Oxides Solid Catalysts

Supported oxides solid super acid catalyst is a new type of catalytic materials which have been developed in recent years.Solid super acid catalysts have been proved to be very effective from the viewpoint of activity,selectivity and reusability in the preparation of various important chemicals which have a number of difficulties with homogeneous catalysts.Advances in modifications of the catalysts were reviewed.The modification methods of catalyst through improving its preparation process were expounded.Meanwhile,the effects of carrier modification,including nano-materials,metals and metallic oxides,molecular sieves on catalytic activity and stability of solid super acid catalysts were introduced.Finally,development trends of solid super acid catalysts were put forward.