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US4405502A
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Crystalline chromosilicate catalytic compositions
Assignee: BP Corp North America Inc
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Filing: 1981-07-09
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Granted: 1983-09-20
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Expires: 2001-07-09
Abstract
Abstract There is provided a catalytic composition which comprises a crystalline chromosilicate and a porous refractory inorganic oxide, said chromosilicate and said inorganic oxide having been intimately admixed with one another, said chromosilicate comprising a molecular sieve material providing a specific X-ray diffraction pattern and having the following composition in terms of mole ratios of oxides: 0.9±0.2 M.sub.2/n O:Cr.sub.2 O.sub.3 :YSiO.sub.2 :ZH.sub.2 O, wherein M is at least one cation having a valence of n, Y is within the range of about 4 to about 200, and Z is a value within the range of 0 to about 160. There is also provided a method for preparing such a catalytic composition. There is provided a process for the conversion of a hydrocarbon stream, which process comprises contacting said stream at conversion conditions with the above catalytic composition. In addition, there is provided a process for the isomerization of a xylene feed, which process comprises contacting said feed at isomerization conditions with the above catalytic composition.
Inventors
- 👤 Marvin R. Klotz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:25
CPC Classifications
B; B01; B01J; B01J29/00; B01J29/04; B01J29/046; C; C07; C07C; C07C5/00; C07C5/22; C07C5/27; C07C5/2702; C07C5/2705; B01J2229/00; B01J2229/30; B01J2229/40; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
155 words
A catalytic composition which comprises a crystalline chromosilicate and a porous refractory inorganic oxide, said chromosilicate and said refractory inorganic oxide having been intimately admixed with one another, said chromosilicate comprising a molecular sieve material providing an X-ray diffraction pattern comprising the following X-ray diffraction lines and assigned strengths: ______________________________________
Interplanar Spacing
Assigned
d, A Strengths
______________________________________
11.15 ± 0.2 W
9.96 ± 0.2 VS
5.99 ± 0.1 VW
5.71 ± 0.1 VW
4.97 ± 0.1 W
3.85 ± 0.07 M
3.82 ± 0.07 MS
3.75 ± 0.05 M
3.32 ± 0.05 VW
1.99 ± 0.02 W
______________________________________ and having the following composition in terms of mole ratios of oxides: 0.9±0.2 M.sub.2/n O:Cr.sub.2 O.sub.3 :YSiO.sub.2 :ZH.sub.2 O, wherein M is at least one cation having a valence of n, Y is a value within the range of about 4 to about 500, and Z is a value within the range of 0 to about 160.
Claim 2
Dependent Claim
155 words
A catalytic composition which comprises a crystalline chromosilicate and a porous refractory inorganic oxide, said chromosilicate and said refractory inorganic oxide having been intimately admixed with one another, said chromosilicate comprising a molecular sieve material providing an X-ray diffraction pattern comprising the following X-ray diffraction lines and assigned strengths: ______________________________________
Interplanar Spacing
Assigned
d, A Strengths
______________________________________
11.15 ± 0.2 W
9.96 ± 0.2 VS
5.99 ± 0.1 VW
5.71 ± 0.1 VW
4.97 ± 0.1 W
3.85 ± 0.07 M
3.82 ± 0.07 MS
3.75 ± 0.05 M
3.32 ± 0.05 VW
1.99 ± 0.02 W
______________________________________ and having the following composition in terms of mole ratios of oxides: 0.9±0.2 M.sub.2/n O:Cr.sub.2 O.sub.3 :YSiO.sub.2 :ZH.sub.2 O, wherein M is at least one cation having a valence of n, Y is a value within the range of about 4 to about 500, and Z is a value within the range of 0 to about 160.
Claim 3
Dependent Claim
18 words
The catalytic composition of claim 1, wherein said catalytic composition comprises further at least first catalytically active metal.
Claim 4
Dependent Claim
13 words
The catalytic composition of claim 1, wherein said refractory inorganic oxide is alumina.
Claim 5
Dependent Claim
19 words
The catalytic composition of claim 1, wherein said catalytic composition comprises further a catalytically active metal on said chromosilicate.
Claim 6
Dependent Claim
22 words
The catalytic composition of claim 2, wherein said first catalytically active metal having been introduced into said catalytic composition by impregnation techniques.
Claim 7
Dependent Claim
22 words
The catalytic composition of claim 2, wherein said first catalytically active metal has been incorporated into said catalytic composition by cation exchange.
Claim 8
Dependent Claim
41 words
The catalytic composition of claim 2, wherein said first catalytically active metal is present in an amount within the range of about 0.05 wt.% to about 25 wt.%, calculated as the element and based upon the weight of said catalytic composition.
Claim 9
Dependent Claim
18 words
The catalytic composition of claim 4, wherein said catalytically active metal has been cation exchanged into said chromosilicate.
Claim 10
Dependent Claim
43 words
The catalytic composition of claim 4, wherein said catalytically active metal is present in an amount within the range of about 0.01 wt.% to about 10 wt.%, calculated as the element and based upon the weight of said chromosilicate in said catalytic composition.
Claim 11
Dependent Claim
36 words
The catalytic composition of claim 5, wherein said first catalytically active metal is a member of Group VIB of the Periodic Table of Elements or a member of Group VIII of the Periodic Table of Elements.
Claim 12
Dependent Claim
24 words
The catalytic composition of claim 6, wherein said first catalytically active metal is a member of Group VIII of the Periodic Table of Elements.
Claim 13
Dependent Claim
23 words
The catalytic composition of claim 8, wherein said catalytically active metal is a member of Group VIII of the Periodic Table of Elements.
Claim 14
Dependent Claim
23 words
The catalytic composition of claim 10, which catalytic composition comprises further a second catalytically active metal which is incorporated therein by cation exchange.
Claim 15
Dependent Claim
20 words
The catalytic composition of claim 11, wherein said member of Group VIII of the Periodic Table of Elements is nickel.
Claim 16
Dependent Claim
20 words
The catalytic composition of claim 12, wherein said member of Group VIII of the Periodic Table of Elements is nickel.
Claim 17
Dependent Claim
24 words
The catalytic composition of claim 13, wherein said second catalytically active metal is a member of Group VIII of the Periodic Table of Elements.
Claim 18
Dependent Claim
13 words
The catalytic composition of claim 14, wherein said refractory inorganic oxide is alumina.
Claim 19
Dependent Claim
13 words
The catalytic composition of claim 15, wherein said refractory inorganic oxide is alumina.
Claim 20
Dependent Claim
27 words
The catalytic composition of claim 16, wherein said member of Group VIII of the Periodic Table of Elements is nickel and said refractory inorganic oxide is alumina.
Claim 21
Independent Claim
75 words
A method for preparing a catalytic composition, which method comprises: (1) preparing a mixture of a finely-divided AMS-1Cr crystalline chromosilicate and a sol, hydrosol, or a hydrogel of a refractory inorganic oxide; (2) thoroughly blending said mixture; (3) adding a gelling medium to the thoroughly-blended mixture to form a gel, if a sol or hydrosol is employed; (4) drying said gel; and (5) heat treating the dried gel in hydrogen to provide a hydrogen-treated material.
Claim 22
Independent Claim
75 words
A method for preparing a catalytic composition, which method comprises: (1) preparing a mixture of a finely-divided AMS-1Cr crystalline chromosilicate and a sol, hydrosol, or a hydrogel of a refractory inorganic oxide; (2) thoroughly blending said mixture; (3) adding a gelling medium to the thoroughly-blended mixture to form a gel, if a sol or hydrosol is employed; (4) drying said gel; and (5) heat treating the dried gel in hydrogen to provide a hydrogen-treated material.
Claim 23
Dependent Claim
131 words
The method of claim 20, wherein said chromosilicate comprises a molecular sieve material providing an X-ray diffraction pattern comprising the following X-ray diffraction lines and assigned strengths: ______________________________________
Interplanar Spacing
Assigned
d, A Strengths
______________________________________
11.15 ± 0.2 W
9.96 ± 0.2 VS
5.99 ± 0.1 VW
5.71 ± 0.1 VW
4.97 ± 0.1 W
3.85 ± 0.07 M
3.82 ± 0.07 MS
3.75 ± 0.05 M
3.32 ± 0.05 VW
1.99 ± 0.02 W
______________________________________ and having the following composition in terms of mole ratios of oxides: 0.9±0.2 M.sub.2/n O:Cr.sub.2 O.sub.3 :YSiO.sub.2 :ZH.sub.2 O, wherein M is at least one cation having a valence of n, Y is a value within the range of about 4 to about 500, and Z is within the range of 0 to about 160.
Claim 24
Dependent Claim
12 words
The method of claim 20, wherein said refractory inorganic oxide is alumina.
Claim 25
Dependent Claim
12 words
The method of claim 21, wherein said refractory inorganic oxide is alumina.
Claim 26
Dependent Claim
16 words
The method of claim 21, wherein said chromosilicate has been cation exchanged with a metal cation.
Claim 27
Dependent Claim
11 words
The method of claim 24, wherein said metal cation is nickel.
Claim 28
Dependent Claim
54 words
The catalytic composition of claim 1, wherein said crystalline chromosilicate comprises a molecular sieve material providing an X-ray diffraction pattern that is characterized by an interplanar spacing at 9.89 A and an interplanar spacing at 10.00 A, said interplanar spacing at 10.00 A appearing as a shoulder at the interplanar spacing at 9.89 A.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-09-19 | 1987-03-21 | 1987-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-09-19 | 1991-03-21 | 1991-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-09-19 | 1995-03-21 | 1995-09-20 | $7700.00 | Window Closed / Lapsed |