Patent US5394151A successfully refreshed from Google Patents.
Patent US3974096A successfully refreshed from Google Patents.
US3974096A
Expired / Lapsed
US
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Water gas shift catalyst
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1974-11-22
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Granted: 1976-08-10
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Expires: 1994-11-22
Abstract
Abstract Hydrogen is produced by reacting carbon monoxide with steam at a temperature of at least 200°F. in the presence of a supported catalyst containing: (1) at least one alkali metal compound derived from an acid having an ionization constant below 1 × 10.sup. -3 , (2) a metallic hydrogenation-dehydrogenation material, and (3) a halogen moiety. The ratio of metal component to alkali metal compound, each calculated on the basis of the oxide thereof, ranges from 0.0001 to about 10 parts by weight per part by weight of the alkali metal compound. The halide constituent is present in amounts in excess of about 0.01 weight %, based on total catalyst. A preferred catalyst composition comprises potassium carbonate, a mixture of cobalt and molybdenum oxides and combined chlorine contained on an alumina support.
Inventors
- 👤 Marnell A. Segura
- 👤 Clyde L. Aldridge
- 👤 Kenneth L. Riley
- 👤 Lloyd A. Pine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:19
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/06; C01B3/12; C01B3/16; B; B01; B01J; B01J23/00; B01J23/16; B01J23/70; B01J23/76; B01J23/78; B01J23/84; B01J27/00; B01J27/06; B01J27/08; B01J27/10; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
148 words
An improved catalyst composition comprising, in combination, a support material containing (i) alkali metal sulfide, alkali metal bisulfide, alkali metal hydroxide or salt of an alkali metal derived from an acid having an ionization constant less than 1 × 10 - 3 , (ii) a hydrogenation-dehydrogenation component selected from the group consisting of (a) a non-noble metal composition comprising an oxide or a sulfide of vanadium, molybdenum, tungsten, cobalt, tantalum or niobium or mixtures thereof of (b) mixtures of non-noble metal materials comprising an oxide or a sulfide of vanadium, molybdenum, tungsten, cobalt, tantalum or niobium or mixtures thereof with an oxide or a sulfide of nickel, iron or chromium or mixtures thereof, and (iii) a halogen moiety, the weight ratio of said hydrogenation-dehydrogenation component to said alkali metal sulfide, bisulfide, hydroxide or salt, each calculated on the basis of the oxide thereof, being less than about 10:1.
Claim 2
Dependent Claim
148 words
An improved catalyst composition comprising, in combination, a support material containing (i) alkali metal sulfide, alkali metal bisulfide, alkali metal hydroxide or salt of an alkali metal derived from an acid having an ionization constant less than 1 × 10 - 3 , (ii) a hydrogenation-dehydrogenation component selected from the group consisting of (a) a non-noble metal composition comprising an oxide or a sulfide of vanadium, molybdenum, tungsten, cobalt, tantalum or niobium or mixtures thereof of (b) mixtures of non-noble metal materials comprising an oxide or a sulfide of vanadium, molybdenum, tungsten, cobalt, tantalum or niobium or mixtures thereof with an oxide or a sulfide of nickel, iron or chromium or mixtures thereof, and (iii) a halogen moiety, the weight ratio of said hydrogenation-dehydrogenation component to said alkali metal sulfide, bisulfide, hydroxide or salt, each calculated on the basis of the oxide thereof, being less than about 10:1.
Claim 3
Dependent Claim
11 words
The composition of claim 1 wherein said halogen moiety is chlorine.
Claim 4
Dependent Claim
15 words
The composition of claim 1 wherein said alkali metal salt is an alkali metal carbonate.
Claim 5
Dependent Claim
13 words
The composition of claim 2 wherein said alkali metal salt is potassium carbonate.
Claim 6
Dependent Claim
27 words
The composition of claim 2 wherein said hydrogenation-dehydrogenation component is a mixture of cobalt oxide and molybdenum oxide or a mixture of cobalt sulfide and molybdenum sulfide.
Claim 7
Dependent Claim
10 words
The composition of claim 2 wherein said support is alumina.
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) | 1979-08-10 | 1980-02-09 | 1980-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-10 | 1984-02-09 | 1984-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-10 | 1988-02-09 | 1988-08-10 | $7700.00 | Window Closed / Lapsed |