HYDROGENATING DE-METAL DESULFURIZING CATALYST AND CATALYTIC HYDROGENATING DE-METAL DESULFURIZING METHOD FOR RESIDUAL OIL

摘要

A new CoMo/alumina catalyst of improved stability and activity for demetalation/desulfurization of residual oil fractions having about 40 to 75% of its pore volume in 150-200 A diameter pores and up to about 5% of its pore volume in 500 A+ diameter pores.