US4430206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Demetalation of hydrocarbonaceous feeds with H2 S
Assignee: Mobil Oil AS
•
Filing: 1982-12-09
•
Granted: 1984-02-07
•
Expires: 2002-12-09
Abstract
Abstract Metallic contaminants, such as selenium, arsenic, iron and sodium are removed from a hydrocarbonaceous fluid feed stream by contacting the feed stream with a gas comprising substantially pure hydrogen sulfide (H2S) or a mixture of hydrogen sulfide and hydrogen (H2).
Inventors
- 👤 Lillian A. Rankel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:30
CPC Classifications
C; C10; C10G; C10G45/00
Claims Analysis
Total Claims: 30
Claim 1
Independent Claim
63 words
A noncatalytic process for removing at least one metal contaminent from shale oil comprising contacting the shale oil with a gas comprised of about 40% to about 100% by volume of hydrogen sulfide and about 0% to about 60% by volume of hydrogen at a pressure of at least 15 psig and at a temperature of about 600° F. to about 800° F.
Claim 2
Dependent Claim
63 words
A noncatalytic process for removing at least one metal contaminent from shale oil comprising contacting the shale oil with a gas comprised of about 40% to about 100% by volume of hydrogen sulfide and about 0% to about 60% by volume of hydrogen at a pressure of at least 15 psig and at a temperature of about 600° F. to about 800° F.
Claim 3
Dependent Claim
30 words
A process according to claim 1, wherein the gas comprises about 50% to about 100% by volume of hydrogen sulfide and about 0% to about 50% by volume of hydrogen.
Claim 4
Dependent Claim
24 words
A process according to claim 2 wherein the gas contacts the shale oil at a temperature of about 600° F. to about 750° F.
Claim 5
Dependent Claim
24 words
A process according to claim 3 wherein the gas contacts the shale oil at a pressure of about 15 psig to about 5000 psig.
Claim 6
Dependent Claim
21 words
A process according to claim 4 wherein the gas contacts the shale oil for at least 1 second to 360 minutes.
Claim 7
Dependent Claim
24 words
A process according to claim 5 wherein the shale oil is contacted with the gas in a guard chamber containing a porous inert material.
Claim 8
Dependent Claim
20 words
A process according to claim 6 wherein the at least one metal contaminant is iron, sodium, calcium, arsenic or selenium.
Claim 9
Dependent Claim
20 words
A process according to claim 1 wherein the shale oil is contacted with the gas in a heat soak zone.
Claim 10
Dependent Claim
30 words
A process according to claim 7 wherein the gas comprises about 65% to about 100% by volume of hydrogen sulfide and about 0% to about 35% by volume of hydrogen.
Claim 11
Dependent Claim
22 words
A process according to claim 9 wherein the gas contacts the shale oil at a pressure of 200 psig to 2000 psig.
Claim 12
Dependent Claim
19 words
A process according to claim 10 wherein the gas contacts the shale oil for 40 minutes to 80 minutes.
Claim 13
Dependent Claim
42 words
A process according to claim 11 wherein the porous inert material is one or more of refractory oxides selected from the group consisting of the oxides of the elements of Groups IIA, IIB, IIIA, IIIB, IVA and IVB of the Periodic Table.
Claim 14
Dependent Claim
14 words
A process according to claim 12 wherein the metal contaminant is iron or arsenic.
Claim 15
Dependent Claim
12 words
A process according to claim 13 wherein the metal contaminant is arsenic.
Claim 16
Dependent Claim
30 words
A process according to claim 8 wherein the gas comprises about 50% to about 100% by volume of hydrogen sulfide and about 0% to about 50% by volume of hydrogen.
Claim 17
Dependent Claim
24 words
A process according to claim 15 wherein the gas contacts the shale oil at a temperature of about 600° F. to about 750° F.
Claim 18
Dependent Claim
24 words
A process according to claim 16 wherein the gas contacts the shale oil at a pressure of about 15 psig to about 5000 psig.
Claim 19
Dependent Claim
21 words
A process according to claim 17 wherein the gas contacts the shale oil for at least 1 second to 360 minutes.
Claim 20
Dependent Claim
20 words
A process according to claim 18 wherein the at least one metal contaminant is iron, sodium, calcium, arsenic or selenium.
Claim 21
Dependent Claim
14 words
A process according to claim 19 wherein the metal contaminant is iron or arsenic.
Claim 22
Dependent Claim
12 words
A process according to claim 20 wherein the metal contaminant is arsenic.
Claim 23
Dependent Claim
30 words
A process according to claim 21 wherein the gas comprises about 65% to about 100% by volume of hydrogen sulfide and about 0% to about 35% by volume of hydrogen.
Claim 24
Dependent Claim
22 words
A process according to claim 22 wherein the gas contacts the shale oil at a pressure of 200 psig to 2000 psig.
Claim 25
Dependent Claim
19 words
A process according to claim 22 wherein the gas contacts the shale oil for 40 minutes to 80 minutes.
Claim 26
Dependent Claim
47 words
A noncatalytic process for removing at least one metal contaminant from shale oil comprising contacting the shale oil with a gas comprising 100% by volume of hydrogen sulfide at a pressure of at least 15 psig and a temperature of about 600° F. to about 800° F.
Claim 27
Dependent Claim
47 words
A noncatalytic process for removing at least one metal contaminant from shale oil comprising contacting the shale oil with a gas comprising 100% by volume of hydrogen sulfide at a pressure of at least 15 psig and a temperature of about 600° F. to about 800° F.
Claim 28
Dependent Claim
33 words
A process according to claim 14 wherein the shale oil is contacted with the gas for such a time that the amount of residue in the product is less than 20 weight %.
Claim 29
Dependent Claim
33 words
A process according to claim 24 wherein the shale oil is contacted with the gas for such a time that the amount of residue in the product is less than 20 weight %.
Claim 30
Dependent Claim
33 words
A process according to claim 25 wherein the shale oil is contacted with the gas for such a time that the amount of residue in the product is less than 20 weight %.
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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) | 1987-02-06 | 1987-08-08 | 1988-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-02-06 | 1991-08-08 | 1992-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-02-06 | 1995-08-08 | 1996-02-07 | $7700.00 | Window Closed / Lapsed |