Patent US4066530A successfully refreshed from Google Patents.
US4066530A
Expired / Lapsed
US
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Hydroconversion of heavy hydrocarbons
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1976-11-26
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Granted: 1978-01-03
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Expires: 1996-11-26
Abstract
Abstract A catalytic hydroconversion process for a hydrocarbonaceous oil is effected by dissolving an oil-soluble metal compound in the oil, converting the compound to a solid, non-colloidal catalyst within the oil and reacting the oil containing the catalyst with hydrogen. Preferred compounds are molybdenum compounds.
Inventors
- 👤 Clyde L. Aldridge
- 👤 Roby Bearden, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:50
CPC Classifications
B; B01; B01J; B01J37/00; C; C10; C10G; C10G45/00; C10G45/02; C10G45/14; C10G45/16
Claims Analysis
Total Claims: 35
Claim 1
Independent Claim
168 words
A process for hydroconverting a heavy hydrocarbon oil chargestock, which comprises: reacting a heavy hydrocarbon oil chargestock containing a catalyst with hydrogen at hydroconversion conditions in a hydroconversion zone, said catalyst comprising an effective amount of an iron component and a catalytically active metal component selected from the group consisting of Group VB, Group VIB, Group VIIB, Group VIII metals other than iron, of the Periodic Table of Elements, and mixtures thereof, said iron component being added to said oil chargestock as solid particles, and said catalytically active metal component having been prepared by the steps of: a. adding to said heavy hydrocarbon oil chargestock an effective amount of an oil soluble metal compound, said metal being selected from the group consisting of Group VB, Group VIB, Group VIIB and Group VIII metals other than iron, of the Periodic Table of Elements, and mixtures thereof, and d. converting said oil-soluble metal compound to a catalytically active metal component within said chargestock in the presence of a hydrogen-containing gas.
Claim 2
Dependent Claim
168 words
A process for hydroconverting a heavy hydrocarbon oil chargestock, which comprises: reacting a heavy hydrocarbon oil chargestock containing a catalyst with hydrogen at hydroconversion conditions in a hydroconversion zone, said catalyst comprising an effective amount of an iron component and a catalytically active metal component selected from the group consisting of Group VB, Group VIB, Group VIIB, Group VIII metals other than iron, of the Periodic Table of Elements, and mixtures thereof, said iron component being added to said oil chargestock as solid particles, and said catalytically active metal component having been prepared by the steps of: a. adding to said heavy hydrocarbon oil chargestock an effective amount of an oil soluble metal compound, said metal being selected from the group consisting of Group VB, Group VIB, Group VIIB and Group VIII metals other than iron, of the Periodic Table of Elements, and mixtures thereof, and d. converting said oil-soluble metal compound to a catalytically active metal component within said chargestock in the presence of a hydrogen-containing gas.
Claim 3
Dependent Claim
26 words
The process of claim 1 wherein said iron component is added to said heavy hydrocarbon oil chargestock prior to introducing said oil into said hydroconversion zone.
Claim 4
Dependent Claim
34 words
The process of claim 1 wherein said iron component is added to said heavy hydrocarbon oil chargestock at step (a) prior to converting said oil soluble metal compound to said catalytically active metal component.
Claim 5
Dependent Claim
26 words
The process of claim 1 wherein said iron component is added to said heavy hydrocarbon oil by introducing said iron component directly into said hydroconversion zone.
Claim 6
Dependent Claim
48 words
The process of claim 1 wherein said iron component is selected from the group consisting of elemental iron, iron oxides, iron sulfides, naturally occurring iron-containing ores, mineral mixtures, iron-containing ash derived from coal, bitumen and the like, fly ash, iron-containing by-products from metal refining processes and mixtures thereof.
Claim 7
Dependent Claim
27 words
The process of claim 1 wherein said iron component comprises a member selected from the group consisting of elemental iron, iron oxides, iron sulfides and mixtures thereof.
Claim 8
Dependent Claim
37 words
The process of claim 1 wherein said iron component is present in said hydroconversion zone in an amount ranging from about 0.01 to about 30 weight percent, calculated as the elemental metal based on said heavy oil.
Claim 9
Dependent Claim
38 words
The process of claim 1 wherein said added iron component is present in said hydroconversion zone in an amount ranging from about 0.01 to about 10 weight percent, calculated as the elemental metal based on said heavy oil.
Claim 10
Dependent Claim
22 words
The process of claim 1 wherein said iron component ranges in size from about 0.5 micron to about 200 microns in diameter.
Claim 11
Dependent Claim
12 words
The process of claim 1 wherein said iron component comprises elemental iron.
Claim 12
Dependent Claim
13 words
The process of claim 1 wherein said iron component comprises an iron oxide.
Claim 13
Dependent Claim
13 words
The process of claim 1 wherein said iron component comprises an iron sulfide.
Claim 14
Dependent Claim
15 words
The process of claim 1 wherein said iron component comprises a naturally occurring iron-containing material.
Claim 15
Dependent Claim
42 words
The process of claim 1 wherein said oil soluble metal compound is added to said oil chargestock in an amount ranging from about 10 to less than 1000 weight parts per million, calculated as the elemental metal, based on said oil chargestock.
Claim 16
Dependent Claim
31 words
The process of claim 1 wherein said oil soluble metal compound is selected from the group consisting of inorganic metal compounds, salts of organic acids, organo-metallic compounds and salts of amines.
Claim 17
Dependent Claim
33 words
The process of claim 1 wherein said oil soluble metal compound is selected from the group consisting of heteropoly acids, salts of acyclic aliphatic carboxylic acids and salts of alicyclic aliphatic carboxylic acids.
Claim 18
Dependent Claim
18 words
The process of claim 1 wherein said oil soluble metal compound is a salt of a naphthenic acid.
Claim 19
Dependent Claim
14 words
The process of claim 1 wherein said oil soluble metal compound is phosphomolybdic acid.
Claim 20
Dependent Claim
26 words
The process of claim 1 wherein the metal constituent of said oil soluble metal compound is selected from the group consisting of molybdenum, chromium and vanadium.
Claim 21
Dependent Claim
14 words
The process of claim 1 wherein said oil soluble metal compound is molybdenum naphthenate.
Claim 22
Dependent Claim
22 words
The process of claim 1 wherein said hydrogen-containing gas of step (b) comprises from about 1 to 10 mole percent hydrogen sulfide.
Claim 23
Dependent Claim
32 words
The process of claim 1 wherein said oil soluble metal compound is converted to said catalyst by subjecting said mixture to a temperature ranging from about 325° C. to about 538° C.
Claim 24
Dependent Claim
76 words
The process of claim 1 wherein said oil soluble metal compound is converted to a catalytically active metal component by first heating the oil chargestock containing said added oil soluble compound and said added iron component to a temperature ranging from about 325° C to about 415° C. in the presence of said hydrogen-containing gas to form a catalyst within said oil chargestock and subsequently reacting the oil containing said catalyst with hydrogen under hydroconversion conditions.
Claim 25
Dependent Claim
30 words
The process of claim 23 wherein said oil soluble metal compound is converted to said catalytically active metal component in the presence of a gas containing hydrogen and hydrogen sulfide.
Claim 26
Dependent Claim
20 words
The process of claim 23 wherein said hydrogen-containing gas comprises from about 1 to about 90 mole percent hydrogen sulfide.
Claim 27
Dependent Claim
47 words
The process of claim 1 wherein said oil soluble metal compound is converted to said catalytically active metal component in the presence of a hydrogen-containing gas under hydroconversion conditions thereby forming said catalyst in situ in said oil in said hydroconversion zone and producing a hydroconverted oil.
Claim 28
Dependent Claim
26 words
The process of claim 26 wherein said hydrogen containing gas introduced into said hydroconversion zone comprises from about 1 to about 10 mole percent hydrogen sulfide.
Claim 29
Dependent Claim
38 words
The process of claim 1 wherein said hydroconversion conditions include a temperature ranging from about 343° C. to about 538° C. (650° to 1000° F.) and a hydrogen partial pressure ranging from about 500 to about 5000 psig.
Claim 30
Dependent Claim
34 words
The process of claim 1 wherein the space velocity of said oil chargestock in said hydroconversion zone ranges from about 0.1 to 10 volumes of oil chargestock per hour per volume of hydroconversion zone.
Claim 31
Dependent Claim
51 words
In the process of claim 1 wherein the hydroconversion reaction product comprises a hydroconverted oil containing solids, the additional steps which comprise separating at least a portion of said solids from said hydroconverted oil and recycling at least a portion of said solids to step (a) or to the hydroconversion zone.
Claim 32
Dependent Claim
116 words
A process for hydroconverting a heavy hydrocarbon oil chargestock, which comprises: a. adding to said oil chargestock a particulate solid iron component and an oil soluble molybdenum compound in an amount ranging from about 25 to about 950 weight parts per million, calculated as elemental molybdenum, based on said oil chargestock; b. converting said molybdenum compound and said iron component to a catalyst in situ within said chargestock by reacting the resulting mixture with a hydrogen-containing gas in a hydroconversion zone, at hydroconversion conditions including a temperature ranging from about 416° C. to about 538° C. and a hydrogen partial pressure ranging from about 500 psig to about 5000 psig, and c. recovering a hydroconverted oil.
Claim 33
Dependent Claim
116 words
A process for hydroconverting a heavy hydrocarbon oil chargestock, which comprises: a. adding to said oil chargestock a particulate solid iron component and an oil soluble molybdenum compound in an amount ranging from about 25 to about 950 weight parts per million, calculated as elemental molybdenum, based on said oil chargestock; b. converting said molybdenum compound and said iron component to a catalyst in situ within said chargestock by reacting the resulting mixture with a hydrogen-containing gas in a hydroconversion zone, at hydroconversion conditions including a temperature ranging from about 416° C. to about 538° C. and a hydrogen partial pressure ranging from about 500 psig to about 5000 psig, and c. recovering a hydroconverted oil.
Claim 34
Dependent Claim
20 words
The process of claim 31 wherein said hydrogen-containing gas comprises from about 2 to about 7 mole percent hydrogen sulfide.
Claim 35
Dependent Claim
52 words
In the process of claim 31 wherein the effluent of said hydroconversion zone comprises a hydroconverted oil and solids, the improvement which comprises the additional steps of separating at least a portion of said solids from said effluent and recycling at least a portion of the separated solids to said hydroconversion zone.
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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) | 1981-01-02 | 1981-07-04 | 1982-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-01-02 | 1985-07-04 | 1986-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-01-02 | 1989-07-04 | 1990-01-03 | $7700.00 | Window Closed / Lapsed |