Catalyst and process for the manufacture of ultra-low sulfur distillate product

A composition for use as a distillate hydrodesulfurization catalyst in the manufacture of an ultra-low sulfur distillate product, wherein said composition comprises:

• a calcined mixture made by calcining a mixture comprising a substantial absence of a molybdenum compound that is in a form other than molybdenum trioxide and further comprising an inorganic oxide material, molybdenum trioxide in the form of finely defined particles, and a Group VIII metal compound selected from the group consisting of a nickel compound and a cobalt compound, wherein said calcined mixture has a molybdenum content in the range of from 7 weight percent to 22 weight percent with the weight percent being based upon the molybdenum as metal and the total weight of said calcined mixture, and a Group VIII metal content in the range of from 3 weight percent to 12 weight percent with the weight percent being based upon the Group VIII metal in its elemental form and the total weight of said calcined mixture, and wherein said calcined mixture has a pore structure that includes a pore size distribution for said calcined mixture such that at least 70% of the total pore volume of said calcined mixture is in the pores of said calcined mixture having a diameter in the range of from 70 Å to 150 Å.

A composition for use as a distillate hydrodesulfurization catalyst in the manufacture of an ultra-low sulfur distillate product, wherein said composition comprises:

• a calcined mixture made by calcining a mixture consisting essentially of an inorganic oxide material, molybdenum trioxide, and a Group VIII metal compound selected from the group consisting of a nickel compound and a cobalt compound, wherein said calcined mixture has a molybdenum content in the range of from 7 weight percent to 22 weight percent with the weight percent being based upon the molybdenum as metal and the total weight of said calcined mixture, and a Group VIII metal content in the range of from 3 weight percent to 12 weight percent with the weight percent being based upon the Group VIII metal in its elemental form and the total weight of said calcined mixture, and wherein said calcined mixture has a pore structure that includes a pore size distribution for said calcined mixture such that at least 70% of the total pore volume of said calcined mixture is in the pores of said calcined mixture having a diameter in the range of from 70 Å to 150 Å.