US3947347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for removing metalliferous contaminants from hydrocarbons
Assignee: Chevron USA Inc
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Filing: 1974-05-08
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Granted: 1976-03-30
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Expires: 1994-05-08
Abstract
Abstract A process for removing metalliferous contaminants from a hydrocarbon feedstock is disclosed, comprising contacting the feedstock in the presence of hydrogen with a solid, said solid consisting essentially of an inert particulate solid having an average pore size in the range of from 1,000 to 10,000 A, preferably 5,000 to 7,000, and a surface area in the range of from 1 to 20 m 2 /gram, preferably 2 to 10 m 2 /gram.
Inventors
- 👤 David S. Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:05
CPC Classifications
B; B01; B01J; B01J35/00; B01J35/60; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J23/88; B01J35/61; B01J35/612; B01J35/63; B01J35/635; B01J35/64; B01J35/653; C; C10; C10G; C10G2300/00; C10G2300/10; C10G2300/107
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
164 words
A process for removing metalliferous contaminants from a hydrocarbon feedstock comprising contacting said feedstock in the presence of hydrogen with a solid, said solid consisting essentially of inert particulate support material containing pores, and having a surface area in the range of from 1 to 20 m 2 /gram, said pores having an average pore diameter in the range of from 1,000 to 10,000 A, and said solid being disposed as a bed of contact material and being without any hydrogenating component, said contacting being (1) at a temperature in the range of 500° to 850°F., (2) at a pressure of from 300 to 3,000 psig and (3) a liquid hourly space velocity in the range from 0.2 to 10, and said feedstock being selected from the group consisting of metal contaminated petroleum crude oils, topped or reduced crude oils, solvent deasphalted oils, distillates, heavy cycle stocks, visbreaker liquid effluent, atmospheric and vacuum crude tower bottoms, shale oils, coal tars, and tar sand oils.
Claim 2
Dependent Claim
164 words
A process for removing metalliferous contaminants from a hydrocarbon feedstock comprising contacting said feedstock in the presence of hydrogen with a solid, said solid consisting essentially of inert particulate support material containing pores, and having a surface area in the range of from 1 to 20 m 2 /gram, said pores having an average pore diameter in the range of from 1,000 to 10,000 A, and said solid being disposed as a bed of contact material and being without any hydrogenating component, said contacting being (1) at a temperature in the range of 500° to 850°F., (2) at a pressure of from 300 to 3,000 psig and (3) a liquid hourly space velocity in the range from 0.2 to 10, and said feedstock being selected from the group consisting of metal contaminated petroleum crude oils, topped or reduced crude oils, solvent deasphalted oils, distillates, heavy cycle stocks, visbreaker liquid effluent, atmospheric and vacuum crude tower bottoms, shale oils, coal tars, and tar sand oils.
Claim 3
Dependent Claim
19 words
The process of claim 1 wherein the pore diameter is in the range of from 5,000 to 7,000 A.
Claim 4
Dependent Claim
21 words
The process of claim 1 wherein the surface area is in the range of from 2 to 10 m 2 /gram.
Claim 5
Dependent Claim
20 words
The process of claim 1 wherein said solid is selected from the group consisting of diatomaceous earth and fused alumina.
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) | 1979-03-30 | 1979-09-29 | 1980-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-03-30 | 1983-09-29 | 1984-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-03-30 | 1987-09-29 | 1988-03-30 | $7700.00 | Window Closed / Lapsed |