Catalyst and process for hydroconversion of a heavy feedstock
First Claim
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1. A hydroprocessing catalyst for treating heavy hydrocarbon feedstocks, wherein said catalyst comprises:
- a calcined particle comprising a co-mulled mixture made by co-mulling inorganic oxide powder or powders, solution or solutions containing molybdenum and Group VIII metals and optionally water, acid and flocculating agent, and then forming said co-mulled mixture into a particle that is calcined to thereby provide said calcined particle, said calcined particles having;
a. a total surface area of 240 to 360 m2/g;
b. a total pore volume of 0.5 to 0.9 cc/g; and
c. a pore volume distribution such that greater than 60% of pore volume are in pores present as micropores of diameter between 55 and 115 Å
, less than 0.12 cc/g of pore volume are in pores present at pores of diameter greater than 160 Å
, greater than 5% of the total pore volume is in pores of diameter greater than 210 Å
, and less than 10% of pore volume are in pores present as macropores of diameters greater than 250 Å
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Abstract
A hydroconversion catalyst comprising a Group VIB metal component, a Group VIII metal component and a carrier material is disclosed wherein said catalyst has a total surface area of 240 to 360 m2/g; a total pore volume of 0.5 to 0.9 cc/g; and a pore volume distribution such that greater than 60% of pore volume are in pores present as micropores of diameter between 55 and 115 Å, less than 0.12 cc/g of pore volume are in pores present at pores of diameter greater than 160 Å and less than 10% of pore volume are in pores present as macropores of diameters greater than 250 Å.
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Citations
12 Claims
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1. A hydroprocessing catalyst for treating heavy hydrocarbon feedstocks, wherein said catalyst comprises:
- a calcined particle comprising a co-mulled mixture made by co-mulling inorganic oxide powder or powders, solution or solutions containing molybdenum and Group VIII metals and optionally water, acid and flocculating agent, and then forming said co-mulled mixture into a particle that is calcined to thereby provide said calcined particle, said calcined particles having;
a. a total surface area of 240 to 360 m2/g; b. a total pore volume of 0.5 to 0.9 cc/g; and c. a pore volume distribution such that greater than 60% of pore volume are in pores present as micropores of diameter between 55 and 115 Å
, less than 0.12 cc/g of pore volume are in pores present at pores of diameter greater than 160 Å
, greater than 5% of the total pore volume is in pores of diameter greater than 210 Å
, and less than 10% of pore volume are in pores present as macropores of diameters greater than 250 Å
. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 12)
- a calcined particle comprising a co-mulled mixture made by co-mulling inorganic oxide powder or powders, solution or solutions containing molybdenum and Group VIII metals and optionally water, acid and flocculating agent, and then forming said co-mulled mixture into a particle that is calcined to thereby provide said calcined particle, said calcined particles having;
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9. A method of making a highly stable heavy hydrocarbon hydrodesulfurization, metal removal and pitch conversion catalyst, wherein said method comprises:
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a. forming a co-mulled mixture by co-mulling solid inorganic oxide powders, solution or solutions containing molybdenum and Group VIII metals and optionally water, acid and flocculating agent; b. extruding said co-mulled mixture into particles to form a shape comprising a first end, a second end and a wall disposed between said ends, said wall comprising 3 or 4 lobes formed in the length of the wall wherein each lobe; and c. calcining said particles at temperatures such that greater than 60% of pore volume are in pores present as micropores of diameter between 55 and 115 Å
, less than 0.12 cc/g of pore volume are in pores present at pores of diameter greater than 160 Å
, greater than 5% of the total pore volume is in pores of diameter greater than 210 Å
, and less than 10% of pore volume are in pores present as macropores of diameters greater than 250 Å
; andd. wherein said calcined particle has a shape comprising a first end, a second end and a wall disposed between said ends, said wall comprising 3 or 4 lobes formed in the length of the wall, wherein each calcined particle has an outer circle diameter of DO, an inner circle diameter of DI, and a height of H;
the ratio of DO to DI is between about 1.5 to 3.0;
the ratio of H to DO is between about 1 to about 4; and
the outer circle diameter Do is between about 0.75 and 2 millimeters. - View Dependent Claims (10, 11)
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Specification