US4217205A
Expired / Lapsed
US
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Catalysts for hydrocarbon conversion
Assignee: Pro Catalyse SA
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Filing: 1978-08-25
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Granted: 1980-08-12
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Expires: 1998-08-25
Abstract
Abstract Catalyst, particularly useful in catalytic reforming and for producing highly pure aromatic hydrocarbons, comprising an alumina carrier and containing, expressed in proportion of the weight of the alumina carrier: 0.005 to 1% of platinum 0.01 to 4% of gallium, indium or thallium 0.01 to 2% of tungsten, and 0.1 to 10% of halogen.
Inventors
- 👤 Christian Marcilly
- 👤 Jean-Francois Le Page
- 👤 Germain Martino
- 👤 Jean Miquel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:07
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/38; B01J23/54; B01J23/56; B01J23/64; B01J23/652; B01J23/6527; C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085; C10G35/09
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
66 words
In a process for reforming a hydrocarbon feed in the presence of a catalyst, the improvement which comprises using as said catalyst a catalyst containing an alumina carrier and, by weight with respect to the alumina carrier, from 0.005 to 1% of platinum, 0.01 to 4% of a metal selected from gallium, indium and thallium, 0.01 to 2% of tungsten and 0.1 to 10% of halogen.
Claim 2
Dependent Claim
66 words
In a process for reforming a hydrocarbon feed in the presence of a catalyst, the improvement which comprises using as said catalyst a catalyst containing an alumina carrier and, by weight with respect to the alumina carrier, from 0.005 to 1% of platinum, 0.01 to 4% of a metal selected from gallium, indium and thallium, 0.01 to 2% of tungsten and 0.1 to 10% of halogen.
Claim 3
Dependent Claim
69 words
In a process for producing aromatic hydrocarbons using a hydrocarbon feedstock in the presence of a catalyst, the improvement which comprises using as said catalyst a catalyst containing an alumina carrier and, by weight with respect to the alumina carrier, from 0.005 to 1% of platinum, 0.01 to 4% of a metal selected from gallium, indium and thallium, 0.01 to 2% of tungsten and 0.1 to 10% of halogen.
Claim 4
Dependent Claim
69 words
In a process for producing aromatic hydrocarbons using a hydrocarbon feedstock in the presence of a catalyst, the improvement which comprises using as said catalyst a catalyst containing an alumina carrier and, by weight with respect to the alumina carrier, from 0.005 to 1% of platinum, 0.01 to 4% of a metal selected from gallium, indium and thallium, 0.01 to 2% of tungsten and 0.1 to 10% of halogen.
Claim 5
Dependent Claim
42 words
The process of claim 1 for the treatment of a naphtha feed by catalytic reforming, wherein said process is effected at a temperature higher than 510° C., with a recycle rate from 6 to 10 moles of hydrogen per mole of charge.
Claim 6
Dependent Claim
34 words
The process of claim 1, wherein said catalyst contains, by weight with respect to the carrier, 0.05 to 0.8% of platinum and 0.05 to 3% of a metal selected from gallium, indium and thallium.
Claim 7
Dependent Claim
34 words
The process of claim 4, wherein said catalyst contains, by weight with respect to the carrier, 0.3 to 0.9% of a metal selected from indium, thallium or gallium and 0.1 to 0.3% of tungsten.
Claim 8
Dependent Claim
10 words
The process of claim 5, wherein said metal is indium.
Claim 9
Dependent Claim
10 words
The process of claim 5, wherein said metal is thallium.
Claim 10
Dependent Claim
10 words
The process of claim 5, wherein said metal is gallium.
Claim 11
Dependent Claim
22 words
The process of claim 1, wherein said alumina carrier has a specific surface area of from 50 to 600 m 2 /g.
Claim 12
Dependent Claim
68 words
The process of claim 1, for the treatment of a naphtha feed wherein said process is effected at an average temperature of from 450° to 580° C., a pressure of from 5 to 20 kg/cm 2 , an hourly rate of from 0.5 to 10 volumes of liquid naphtha per catalyst volume, and a recycle rate of from 1 to 10 moles of hydrogen per mole of charge.
Claim 13
Dependent Claim
20 words
The process of claim 1, wherein the feed is a naphtha distilling between about 60° C. and about 220° C.
Claim 14
Dependent Claim
13 words
The process of claim 1, wherein the feed is a straight run naphtha.
Claim 15
Dependent Claim
34 words
The process of claim 2, wherein said catalyst contains, by weight with respect to the carrier, 0.05 to 0.8% of platinum and 0.05 to 3% of a metal selected from gallium, indium and thallium.
Claim 16
Dependent Claim
34 words
The process of claim 13, wherein said catalyst contains, by weight with respect to the carrier, 0.3 to 0.9% of a metal selected from indium, thallium or gallium and 0.1 to 0.3% of tungsten.
Claim 17
Dependent Claim
10 words
The process of claim 14, wherein said metal is indium.
Claim 18
Dependent Claim
10 words
The process of claim 14, wherein said metal is thallium.
Claim 19
Dependent Claim
10 words
The process of claim 14, wherein said metal is gallium.
Claim 20
Dependent Claim
22 words
The process of claim 2, wherein said alumina carrier has a specific surface area of from 50 to 600 m 2 /g.
Claim 21
Dependent Claim
12 words
The process of claim 2, wherein said hydrocarbon feed is saturated gasoline.
Claim 22
Dependent Claim
26 words
The process of claim 2, wherein said hydrocarbon feed is unsaturated gasoline which has been made free of substantially all the diolefins and monoolefins contained therein.
Claim 23
Dependent Claim
62 words
The process of claim 2, wherein said process is effected in the presence of hydrogen at a temperature of from 530° to 600° C., a pressure of from 1 to 60 kg/cm 2 , an hourly flow rate of from 0.1 to 10 volumes of feed per catalyst volume, and a molar ratio of hydrogen to hydrocarbons of from 0.5 to 20.
References Cited (Backward Citations)
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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) | 1983-08-12 | 1984-02-11 | 1984-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-08-12 | 1988-02-11 | 1988-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-08-12 | 1992-02-11 | 1992-08-12 | $7700.00 | Window Closed / Lapsed |