Composition and a method of making and use of such composition
AssigneeShell Oil Company
InventorsWilliam Douglas Gillespie, Alexei Grigorievich Gabrielov, Peter Wolohan, John Anthony Smegal
Life of this patent
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Abstract
A composition and method of making such a composition that has application in the hydroprocessing of hydrocarbon feedstocks. The method comprises selecting an organic additive by the use of a correlation model for predicting catalytic activity as a function of a physical property that is associated with the organic additive and incorporating the organic additive into a support material to provide the additive impregnated composition.
Claims9
A composition for use in the hydroprocessing of a hydrocarbon feedstock, wherein said composition comprises:
- a dried and calcined shaped support material that is thereafter impregnated with at least two metal components followed by drying and calcination thereof and thereby providing a metal-incorporated support having available pore volume, and thereafter at least 75% of said available pore volume is filled with a single amide organic additive capable of forming a metal complex with each of said at least two metal components and having a complexation energy of an absolute value of greater than 470 kcal/mol, and
- wherein said amide organic additive is selected from the group consisting of formamide, methylformamide, dimethylformamide and diethylformamide, and
- wherein said at least two metal components are one metal from a first group of metals consisting of cobalt and nickel, present in said composition in an amount in the range of from 0.5 wt. % to 20 wt. %, and a second metal from a second group of metals consisting of molybdenum and tungsten, present in said composition in an amount in the range of from 5 wt. % to 50 wt. %, wherein the weight percents are based on the weight of the dry support material with the metal component as the elemental form regardless of its actual form, and
- wherein said calcined shaped support material is a porous refractory oxide selected from the group of refractory oxides consisting of silica, alumina, titania, zirconia, silica-alumina, silica-titania, silica-zirconia, titania-alumina, zirconia-alumina, and combinations of two or more thereof;
- and
- wherein said support material has a surface area (as determined by the BET method) in the range of from 50 m2/g to 450 m2/g, a mean pore diameter in the range of from 50 to 200 angstroms (Å), and a total pore volume exceeding 0.55 cc/g;
- and wherein less than 7.5% of the total pore volume of said support material is contained in pore having a pore diameter greater than 350 Å.
Dependencies are inferred from the claim text.