A supported catalyst useful in processes for chemically refining hydrocarbon feedstocks is prepared, the catalyst comprising a metal from Group 6 of the Periodic Table, a metal from Groups 8, 9 or 10 and optionally phosphorous, wherein the metals, and phosphorous when present, are carried on a foram
A supported catalyst useful in processes for chemically refining hydrocarbon feedstocks is prepared, the catalyst comprising a metal from Group 6 of the Periodic Table, a metal from Groups 8, 9 or 10 and optionally phosphorous, wherein the metals, and phosphorous when present, are carried on a foraminous carrier or support, the carrier or support, preferably comprises porous alumina having a total pore volume (TPV) of about 0.6 cc/g to about 1.1 cc/g and comprising: (a) equal to or greater than about 78% to about 95% of TPV in pores having a diameter of less than about 200 Angstroms (Å); (b) greater than about 2% to less than about 19% of the TPV in pores having a diameter of about 200 (Å) to less than about 1000 Å; (c) equal to or greater than 3% to less than 12% of the TPV in pores having a diameter equal to or greater than about 1000 Å; and (d) a pore mode equal to or greater than about 90 Å and less than about 160 Å. Preferably the support exhibits a d50 greater than about 100 Å and less than about 150 Å.
대표청구항▼
1. A process for treating a hydrocarbon feedstock to produce treated products: the hydrocarbon feedstock comprising at least one member selected from the group consisting of atmospheric gas oils, straight run gas oils, vacuum gas oils, demetallized oils, deasphalted vacuum residue, coker distillates
1. A process for treating a hydrocarbon feedstock to produce treated products: the hydrocarbon feedstock comprising at least one member selected from the group consisting of atmospheric gas oils, straight run gas oils, vacuum gas oils, demetallized oils, deasphalted vacuum residue, coker distillates, cat cracker distillates, shale oil, tar sand oil and coal liquids;the process selected from the group consisting of:(I) hydrodemetallation, hydrodenitrification, hydrodesulfurization, and hydrocracking, the process comprising contacting the feedstock in at least one reactor with hydrogen under hydrocracking conditions with a catalyst and recovering the product;(II) hydrotreating the hydrocarbon feed containing components boiling above 1000° F., and at least one component selected from the group consisting of sulfur-containing compounds, nitrogen-containing compounds, metal-containing compounds, asphaltenes, carbon residue, sediment precursors, and mixtures thereof, comprising contacting the feed with hydrogen and a catalyst at isothermal or substantially isothermal hydrotreating conditions and recovering the treated product;(III) hydroconverting the hydrocarbon feed having components exhibiting a boiling point greater than 1000° F. to form product having an increased proportion of components exhibiting a boiling point less than about 1000° F. comprising contacting the feed with hydrogen and a catalyst at isothermal or substantially isothermal hydrotreating conditions and recovering the product; and(IV) hydroconverting the feed, comprising contacting the feed comprising a hydrocarbon oil with hydrogen and a catalyst under conditions of elevated temperature above about 600° F. and pressure above about 500 p.s.i.g. and recovering the product; the catalyst comprising at least one metal from Group 6, alternatively referred to as Group VIB, of the Periodic Table of the Elements, at least one metal from Groups 8, 9 or 10, alternatively referred to as Group VIII, of the Periodic Table of the Elements, and optionally comprising phosphorous, wherein the metals, and phosphorous when present, are carried on a foraminous carrier or support so as to provide a supported catalyst, wherein: the support exhibits a total pore volume (TPV) of about 0.6 cc/g to about 1.1 cc/g and pore size distribution and contents corresponding to values as measured by the mercury porosimetry method: (1) equal to or greater than about 78% to about 95% of TPV in pores having a diameter of less than 200 Angstroms (Å);(2) greater than about 2% to less than about 19% of TPV in pores having a diameter of 200 Angstroms (Å) to less than 1000 Å;(3) equal to or greater than 3% to less than 12% of TPV in pores having a diameter equal to or greater than 1000 Å; and(4) a pore mode equal to or greater than about 90 Å and less than about 160 Å. 2. The process of claim 1, wherein the hydrocarbon feedstock comprises at least one member selected from the group consisting of atmospheric gas oils, straight run gas oils, and vacuum gas oils. 3. The process of claim 1, wherein the hydrocarbon feedstock comprises at least one member selected from the group consisting of demetallized oils and deasphalted vacuum residue. 4. The process of claim 1, wherein the hydrocarbon feedstock comprises at least one member selected from the group consisting of coker distillates and cat cracker distillates. 5. The process of claim 1, wherein the hydrocarbon feedstock comprises at least one member selected from the group consisting of shale oil, tar sand oil and coal liquids. 6. The process of claim 1, wherein the hydrocarbon feedstock comprises deasphalted vacuum residue. 7. The process of claim 1, wherein the metal of Group 6 is molybdenum and the metal of Groups 8, 9 and 10 is selected from the group consisting of cobalt, nickel and mixtures thereof. 8. The process of claim 7, the supported catalyst further comprising phosphorous. 9. The process of claim 1, wherein the support comprises greater than about 5% to less than about 19% of TPV in pores having a diameter of 200 Å to less than 1000 Å. 10. The process of claim 1 wherein the support comprises equal to or greater than about 3% to less than about 10% of TPV in pores having a diameter equal to or greater than 1000 Å. 11. The process of claim 10 wherein the support comprises equal to or greater than about 5% to less than about 10% of TPV in pores having a diameter equal to or greater than 1000 Å. 12. The process of claim 1 wherein the support exhibits a substantially unimodal pore size distribution measured using mercury porosimetry. 13. The process of claim 12 wherein the pore size distribution includes an additional peak at greater than about 200 Å provided that the total volume of pores comprised in such additional peak is greater than about zero to about 10% of the total pore volume present in said porous alumina. 14. The process of claim 1, wherein the support further exhibits a d50 greater than about 100 Å and less than about 150 Å. 15. The process of claim 1 wherein the support has been pre-impregnated, shaped, dried and calcined.
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