| abstract |
Supported catalysts useful in the process for chemically purifying hydrocarbon feedstocks include Group 6 metals; Group 8 metal; And optionally phosphorus, wherein the carrier or support comprises: (a) from about 78% to about 95% of the TPV of pores having a diameter of less than about 200 Angstroms; (b) greater than about 2% to less than about 19% of voids having a diameter of less than about 200 A to less than 1000 A of TPV; (c) Porous alumina having a pore diameter of at least about 1000 A of at least 3% and less than 12% of the TPV. |