US4664776A
Expired / Lapsed
US
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Hydrocarbon zeolite catalyst employed in hydrocracking process
Assignee: Honeywell UOP LLC
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Filing: 1986-05-27
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Granted: 1987-05-12
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Expires: 2006-05-27
Abstract
Abstract A hydrocarbon conversion catalyst useful for hydrocracking hydrocarbons to more valuable products comprises one or more hydrogenation components supported on a base containing (1) a crystalline aluminosilicate zeolite having activity for cracking hydrocarbons and (2) a dispersion of silica-alumina in an alumina matrix.
Inventors
- 👤 John W. Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:46
CPC Classifications
B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/08; B01J29/084; C; C10; C10G; C10G47/00; C10G47/02; C10G47/10; C10G47/12; C10G47/16
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
63 words
A hydrocracking process which comprises contacting a hydrocarbon feedstock under hydrocracking conditions with hydrogen in the presence of a catalyst comprising (1) at least one hydrogenation component, (2) a crystalline aluminosilicate zeolite having catalytic activity for cracking hydrocarbons, and (3) a dispersion of silica-alumina in a matrix consisting essentially of alumina, wherein said catalyst comprises particles in the shape of a three-leaf clover.
Claim 2
Dependent Claim
63 words
A hydrocracking process which comprises contacting a hydrocarbon feedstock under hydrocracking conditions with hydrogen in the presence of a catalyst comprising (1) at least one hydrogenation component, (2) a crystalline aluminosilicate zeolite having catalytic activity for cracking hydrocarbons, and (3) a dispersion of silica-alumina in a matrix consisting essentially of alumina, wherein said catalyst comprises particles in the shape of a three-leaf clover.
Claim 3
Dependent Claim
28 words
A process as defined by claim 1 wherein said hydrogenation component is selected from the group consisting of Group VIII and Group VIB metals, their oxides and sulfides.
Claim 4
Dependent Claim
29 words
A process as defined by claim 1 wherein said hydrogenation component is selected from the group consisting of platinum, palladium, cobalt, nickel, tungsten, molybdenum, their oxides, and their sulfides.
Claim 5
Dependent Claim
27 words
A process as defined by claim 1 wherein said crystalline aluminosilicate zeolite contains less than about 0.5 weight percent alkali metal components, calculated as alkali metal oxides.
Claim 6
Dependent Claim
57 words
A process as defined by claim 1 wherein said zeolite is a Y zeolite having a silica-to-alumina mole ratio between 3.5 and 6.0, a surface area between 500 and 700 m 2 /gram, and an ion-exchange capacity when in the sodium form less than 20 percent that of a sodium Y zeolite of comparable silica-to-alumina mole ratio.
Claim 7
Dependent Claim
15 words
A process as defined by claim 1 wherein said matrix consists essentially of gamma alumina.
Claim 8
Dependent Claim
24 words
A process as defined by claim 1 wherein said zeolite contains cations selected from the group consisting of hydrogen ions and rare earth cations.
Claim 9
Dependent Claim
28 words
A process as defined by claim 1 wherein said zeolite is selected from the group consisting of zeolite Y, zeolite L, zeolite Omega, zeolite X and mixtures thereof.
Claim 10
Dependent Claim
46 words
A process as defined by claim 1 wherein said zeolite has a water absorption capacity at 4.6 mm water vapor partial pressure and 25° C. less than about 8 weight percent of said zeolite and a unit cell size between about 24.25 and about 24.35 Angstroms.
Claim 11
Dependent Claim
13 words
A process as defined by claim 1 wherein said zeolite comprises LZ-10 zeolite.
Claim 12
Dependent Claim
85 words
A hydrocracking process which comprises contacting a hydrocarbon feedstock under hydrocracking conditions with hydrogen in the presence of a hydrocracking catalyst comprising (1) at least one Group VIB metal component and at least one Group VIII metal component, (2) a crystalline aluminosilicate zeolite containing less than about 5.0 weight percent of alkali metal components, calculated as the oxides thereof, and (3) a dispersion of silica-alumina in a matrix consisting essentially of alumina, wherein said hydrocracking catalyst comprises particles in the shape of a three-leaf clover.
Claim 13
Dependent Claim
85 words
A hydrocracking process which comprises contacting a hydrocarbon feedstock under hydrocracking conditions with hydrogen in the presence of a hydrocracking catalyst comprising (1) at least one Group VIB metal component and at least one Group VIII metal component, (2) a crystalline aluminosilicate zeolite containing less than about 5.0 weight percent of alkali metal components, calculated as the oxides thereof, and (3) a dispersion of silica-alumina in a matrix consisting essentially of alumina, wherein said hydrocracking catalyst comprises particles in the shape of a three-leaf clover.
Claim 14
Dependent Claim
50 words
A hydrocracking process as defined by claim 11 wherein said Group VIB metal component is selected from the group consisting of the oxides and sulfides of molybdenum and tungsten and said Group VIII metal component is selected from the group consisting of the oxides and sulfides of nickel and cobalt.
Claim 15
Dependent Claim
31 words
A hydrocracking process as defined by claim 11 wherein said zeolite contains one or more components selected from the group consisting of hydrogen ions, hydrogen ion precursors and multivalent metal-containing cations.
Claim 16
Dependent Claim
29 words
A hydrocracking process as defined by claim 11 wherein said zeolite has at least 50 percent of its pore volume in pores of diameter greater than about 8 Angstroms.
Claim 17
Dependent Claim
22 words
A hydrocracking process as defined by claim 11 wherein said zeolite is ion-exchanged to contain one or more rare earth metal cations.
Claim 18
Dependent Claim
35 words
A hydrocracking process as defined by claim 11 wherein said zeolite has a water absorption capacity at 4.6 mm water vapor partial pressure and 25° C. less than about 8 weight percent of said zeolite.
Claim 19
Dependent Claim
14 words
A hydrocracking process as defined by claim 11 wherein said zeolite comprises LZ-10 zeolite.
Claim 20
Dependent Claim
16 words
A hydrocracking process as defined by claim 11 wherein said matrix consists essentially of gamma alumina.
Claim 21
Dependent Claim
48 words
A hydrocracking process as defined by claim 18 wherein said dispersion of silica-alumina in a matrix consisting essentially of gamma alumina comprises between about 20 weight percent and about 65 weight percent silica-alumina and said silica-alumina contains between about 50 weight percent and about 90 weight percent silica.
Claim 22
Dependent Claim
27 words
A process as defined by claim 11 wherein said Group VIB metal component comprises a tungsten component and said Group VIII metal component comprises a nickel component.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-05-11 | 1990-11-10 | 1991-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-05-11 | 1994-11-10 | 1995-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-05-11 | 1998-11-10 | 1999-05-12 | $7700.00 | Window Closed / Lapsed |