US4121909A
Expired / Lapsed
US
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Catalytic reactor
Assignee: Gulf Research and Development Co
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Filing: 1977-11-30
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Granted: 1978-10-24
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Expires: 1997-11-30
Abstract
Abstract A catalytic reactor comprising an elongated reaction chamber and catalytic elements composed of alumina and a hydrogenation catalyst vertically disposed within the reaction chamber.
Inventors
- 👤 Donald C. Cronauer
- 👤 Harold E. Swift
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:57
CPC Classifications
B; B01; B01J; B01J35/00; B01J35/60; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; C; C10; C10G; C10G1/00; C10G1/06; B01J35/61; B01J35/613; B01J35/615; B01J35/63; B01J35/633; B01J35/635; B01J35/64; B01J35/647; Y; Y02; Y02E; Y02E30/00; Y02E30/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
170 words
A catalytic reactor comprising an elongated vertical reaction vessel and elongated, catalytic elements vertically disposed within said reaction vessel, said elements being composed of alumina and a hydrogenation catalyst, said hydrogenation catalyst being substantially distributed throughout said alumina, said alumina having a surface area of about 70 to about 150 square meters per gram, the pore diameter size is such that at least about 60 volume percent of the pores fall in the range of about 160 to about 600 A, the pore volume is in the range of about 0.4 to about 0.8 cubic centimeters per gram and the average pore diameter is in the range of about 100 to about 275 A, said catalytic elements having a thickness of about 1/32 to about 1/2 inch, said catalytic elements being disposed within said vessel at least 1/32 inch from another of said catalytic elements and from the interior surface of said vessel, the void volume within said vessel being in the range of about 40 to about 90 percent.
Claim 2
Dependent Claim
170 words
A catalytic reactor comprising an elongated vertical reaction vessel and elongated, catalytic elements vertically disposed within said reaction vessel, said elements being composed of alumina and a hydrogenation catalyst, said hydrogenation catalyst being substantially distributed throughout said alumina, said alumina having a surface area of about 70 to about 150 square meters per gram, the pore diameter size is such that at least about 60 volume percent of the pores fall in the range of about 160 to about 600 A, the pore volume is in the range of about 0.4 to about 0.8 cubic centimeters per gram and the average pore diameter is in the range of about 100 to about 275 A, said catalytic elements having a thickness of about 1/32 to about 1/2 inch, said catalytic elements being disposed within said vessel at least 1/32 inch from another of said catalytic elements and from the interior surface of said vessel, the void volume within said vessel being in the range of about 40 to about 90 percent.
Claim 3
Dependent Claim
141 words
The reactor of claim 1 wherein said alumina has a surface area of about 80 to about 125 square meters per gram, the pore diameter size is such that at least about 60 volume percent of the pores fall in the range of about 200 to about 600 A, the pore volume is in the range of about 0.45 to about 0.70 cubic centimeters per gram and the average pore diameter is in the range of about 175 to about 250 A, said catalytic elements having a thickness of about 1/16 to about 1/4 inch, said catalytic elements being disposed within said vessel from about 1/8 to about 5 inches from another of said catalytic elements and from the interior surface of said vessel, the void volume within said vessel being within the range of about 50 to about 80 percent.
Claim 4
Dependent Claim
16 words
The reactor of claim 1 wherein said hydrogenation catalyst is composed of nickel, titanium and molybdenum.
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) | 1981-10-23 | 1982-04-24 | 1982-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-10-23 | 1986-04-24 | 1986-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-10-23 | 1990-04-24 | 1990-10-24 | $7700.00 | Window Closed / Lapsed |