Process and catalyst for hydroprocessing a resid hydrocarbon

Claim 2

The process of claim 1 wherein the particles are further characterized in that, when circumscribed by a right circular cylinder having an altitude essentially equal to that of the particle, the particle will contact the sidewall of the cylinder at at least three elements and occupy from about 70 percent to about 90 percent of the volume of the cylinder.

Claim 3

The process of claim 1 wherein the particles comprise a catalytically active material including a hydrogenation metallic component of Group VIA and/or Group VIII of the Periodic Table supported on an inorganic cracking matrix.

Claim 4

The process of claim 4 wherein the inorganic cracking matrix includes large pore diameter alumina.

Claim 5

In a process for hydroprocessing resid hydrocarbons including metallic contaminants contacting the resid hydrocarbons, hydrogen and a fixed bed of catalyst under hydroprocessing conditions where the Temperature is from about 650* to about 850*F, the pressure is from about 1,000 to about 5,000 psig, the hydrogen partial pressure is from about 700 to about 3,500 psi, the hydrogenation rate is from about 3,000 to about 5,000 standard cubic feet per barrel of resid hydrocarbon feed, and the liquid hourly space velocity is from about 0.25 to about 5.0 volumes of resid hydrocarbon feed per volume of catalyst, said catalyst bed including, at least in part, porous particles which permit the resid hydrocarbons including the metallic contaminants to penetrate into the interior of the particles, said metallic contaminants penetrating into the interior of the catalyst particle a depth of no greater than about 0.0085 inch from the surface of the catalyst particle, said particles characterized by having a particle size and configuration such that substantially all points within any particle are less than about 0.015 inch from the surface of the particle and the surface to volume ratio of any particle ranges between about 100 and about 250 reciprocal inches, and the diameter of any particle is about one-twentieth to about one-eighth inch and the particle''s altitude is about one-eighth to about five-sixteenth inch, said particles being further characterized in that, when circumscribed by a right circular cylinder having an altitude essentially equal to that of the particle, the particle will contact the sidewall of the cylinder at at least three elements and occupy from about 70 percent to about 90 percent of the volume of the cylinder, and said catalyst particles comprising a hydrogenation metallic component of Group VIA and/or Group VIII of the Periodic Table supported on an inorganic cracking matrix.

Claim 6

The process of claim 6 wherein the particles have a ring shape.

Claim 7

The process of claim 6 wherein the particles have a cloverleaf shape.

Claim 8

The process of claim 6 wherein the particles have a cross shape.

Claim 9

The process of claim 6 wherein the particles have a C-shape.

Claim 10

In a process for hydroprocessing resid hydrocarbons including metallic contaminants, contacting the resid hydrocarbons, hydrogen and a fixed bed of catalyst under hydroprocessing conditions, said catalyst bed including, at least in part, porous particles which permit the resid hydrocarbons including the metallic contaminants to penetrate into the interior of the particles, said particles characterized by having a generally cross-shape configuration wherein substantially all points within any particle are less than about 0.015 inch from the surface of the particle and the surface to volume ratio of any particle ranges between about 100 and about 250 reciprocal inches, the diameter of any particle is about one-twentieth to about one-eighth inch and the particle''s altitude is about one-eighth to about five-sixteenth inch, and said particles comprise cobalt and molybdenum metallic components on a support including alumina.

Claim 11

In a process for hydroprocessing resid hydrocarbons including metallic contaminants, contacting the resid hydrocarbons, hydrogen and a fixed bed of catalyst under hydroprocessing conditions, said catalyst bed including, at least in part, porous particles which permit the resid hydrocarbons including the metallic contaminants to penetrate into the interior of the particles, said particles characterized by having a generally ring shape configuration wherein substantially all points within any particle are less than about 0.015 inch from the surface of the particle and the surface to volume ratio of any particle ranges between about 100 and about 250 reciprocal inches, the diameter of any particle is about one-twentieth to about one-eighth inch and the particle''s altitude is about one-eighth to about five-sixteenth inch, and said particles comprise cobalt and molybdenum metallic components on a support includiNg alumina.

Claim 12

In a process for hydroprocessing resid hydrocarbons including metallic contaminants, contacting the resid hydrocarbons, hydrogen and a fixed bed of catalyst under hydroprocessing conditions, said catalyst bed including, at least in part, porous particles which permit the resid hydrocarbons including the metallic contaminants to penetrate into the interior of the particles, said particles characterized by having a generally cloverleaf-shape configuration wherein substantially all points within any particle are less than about 0.015 inch from the surface of the particle and the surface to volume ratio of any particle ranges between about 100 and about 250 reciprocal inches, the diameter of any particle is about one-twentieth to about one-eighth inch and the particle''s altitude is about one-eighth to about five-sixteenth inch, and said particles comprise cobalt and molybdenum metallic components on a support including alumina.

Claim 13

In a process for hydroprocessing resid hydrocarbons including metallic contaminants, contacting the resid hydrocarbons, hydrogen and a fixed bed of catalyst under hydroprocessing conditions, said catalyst bed including, at least in part, porous particles which permit the resid hydrocarbons including the metallic contaminants to penetrate into the interior of the particles, said particles characterized by having a generally C-shape configuration wherein substantially all points within any particle are less than about 0.015 inch from the surface of the particle and the surface to volume ratio of any particle ranges between about 100 and about 250 reciprocal inches, the diameter of any particle is about one-twentieth to about one-eighth inch and the particle''s altitude is about one-eighth to about five-sixteenth inch, and said particles comprise cobalt and molybdenum metallic components on a support including alumina.