70￣# gasoline,0￣# and-35￣# diesel fuels qualified with the national standards can be produced by pre-saturated hydrogenation,hydrogenation refine and hydroeracking of the feedstock oil.

Reactivity of saturated hydrogenation of naphthalene over the commercial NiW/Al_2O_3 catalyst at high reaction temperature;

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

Proper C 4 hydrogenation saturation process conditions have been determined.

Cause Analyses of the Weld Seam Cracks of a Prehydrogenating Reactor;