US4519897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid cracking process using sepiolite-containing catalyst composition
Assignee: Akzo NV
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Filing: 1983-12-20
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Granted: 1985-05-28
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Expires: 2003-12-20
Abstract
Abstract There is disclosed a process for cracking a metal-containing feed in the presence of a fluid cracking catalyst composition comprising contacting said feed at catalytic cracking conditions with a catalyst composition comprising a zeolitic crystalline aluminosilicate, sepiolite and matrix material, characterized in that the sepiolite is present in non-dispersed form.
Inventors
- 👤 Jan I. de Jong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:44
CPC Classifications
B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; C; C10; C10G; C10G11/00; C10G11/02; C10G11/04; C10G11/05; B01J2229/00; B01J2229/30; B01J2229/42
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
47 words
A process for fluid catalytic cracking metal-containing petrolum feed in the presence of a fluid cracking catalyst comprising contacting the feed at fluid catalytic cracking conditions with a catalyst comprising a zeolitic crystalline aluminosilicate, sepiolite and a martix material, wherein the sepiolite is present in non-dispersed form.
Claim 2
Dependent Claim
47 words
A process for fluid catalytic cracking metal-containing petrolum feed in the presence of a fluid cracking catalyst comprising contacting the feed at fluid catalytic cracking conditions with a catalyst comprising a zeolitic crystalline aluminosilicate, sepiolite and a martix material, wherein the sepiolite is present in non-dispersed form.
Claim 3
Dependent Claim
58 words
A process according to claim 1, wherein the cracking catalyst comprises about 5 to about 50 percent by weight of said zeolitic crystalline aluminosilicate and about 5 to about 70 percent by weight of said non-dispersed sepiolite, which two components are embedded in about 10 to about 90 percent by weight of one and the same matrix material.
Claim 4
Dependent Claim
28 words
A process according to claim 2, wherein the cracking catalyst contains as matrix material a silica, silica-alumina or alumina formed into a gel by spray drying the composition.
Claim 5
Dependent Claim
19 words
A process according to claim 3, wherein the cracking catalyst contains about 0.1 to about 10 ppm of platinum.
Claim 6
Dependent Claim
35 words
A process according to claim 1, wherein the cracking catalyst comprises: a. catalytically active particles comprising a zeolitic crystalline aluminosilicate and matrix material, and b. catalytically less active particles comprising non-dispersed sepiolite and matrix material.
Claim 7
Dependent Claim
39 words
A process according to claim 5, wherein the cracking catalyst contains about 10 to about 90 percent by weight of the catalytically active particles and about 90 to about 10 percent by weight of the catalytically less active particles.
Claim 8
Dependent Claim
81 words
A process according to claim 6, wherein a. the catalytically active particles contain about 10 to about 80 percent by weight of zeolitic crystalline aluminosilicate, about 5 to about 60 percent by weight of clay and about 5 to about 85 percent by weight of silica, silica-alumina or alumina, and b. the catalytically less active particles contain about 10 to about 80 percent by weight of non-dispersed sepiolite, and about 10 to about 90 percent by weight of silica or silica-alumina.
Claim 9
Dependent Claim
35 words
A process according to claim 7, wherein the silica, silica-alumina or alumina in at least one of the catalytically active and less active particles is formed into a gel by spray drying the respective particles.
Claim 10
Dependent Claim
24 words
A process according to claim 8, wherein the active and less active particles contain up to about 25 percent by weight of alumina particles.
Claim 11
Dependent Claim
27 words
A process according to claim 9, wherein at least one of the catalytically active and less active particles contain about 0.1 to about 10 ppm of platinum.
Claim 12
Dependent Claim
26 words
A process according to claim 5, wherein the metal-containing feed is first contacted with the catalytically less active particles and subsequently with the catalytically active particles.
Claim 13
Dependent Claim
26 words
A process according to claim 10, wherein the metal-containing feed is first contacted with the catalytically less active particles and subsequently with the catalytically active particles.
Claim 14
Dependent Claim
91 words
A process according to claim 6, wherein a. the catalytically active particles contain about 10 to about 80 percent by weight of zeolite crystalline aluminosilicate, about 5 to about 60 percent by weight of clay and about 5 to about 85 percent by weight of silica, silica-alumina or alumina, and b. the catalytically less active particles contain about 10 to about 80 percent by weight of non-dispersed sepiolite, about 10 to about 90 percent by weight of silica or silica-alumina, and about 10 to about 50 percent by weight of clay.
References Cited (Backward Citations)
US3210267A
Cited
US3609103A
Cited
US4196102A
Cited
US4164465A
Cited
US4326991A
Cited
US4266672A
Cited
US4439312A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-05-27 | 1988-11-26 | 1989-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-05-27 | 1992-11-26 | 1993-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-05-27 | 1996-11-26 | 1997-05-28 | $7700.00 | Window Closed / Lapsed |