| 摘要 |
A process of upgrading a heavy hydrocarbon feedstock comprising contacting a heavy hydrocarbon feedstock with a catalyst in the presence of hydrogen in a reactor system, containing the catalyst as the only catalyst, wherein the catalyst, is prepared by sulfiding a catalyst precursor obtained by mixing at reaction conditions, to form a precipitate or cogel, at least a Promoter metal compound in solution; at least a Group VIB metal compound in solution; and, at least an organic oxygen containing ligand in solution, and thereby producing a fuel product. |
