This paper reviews the development in the application o f catalysts to the selective hydrogenation of alkynes and dienes.

Industrial application of catalyst for removing dienes C_4 raffinate;

Non-noble metal diene selective hydrogenation catalyst of FCC light gasoline;

Study on the Reaction of Maleic Anhydride With Dienes in Catalytic Cracking Light Gasoline Over Supported AlCl_3;

For keeping long run of catalytic naphtha hydrofining units, a process of selective hydrogenation of diolefin using a commercial catalyst was inv.