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Integrated process to produce asphalt and desulfurized oil
US10125319B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10125319-B2 |
| Application number | US-201213557931-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 25, 2012 |
| Priority date | Jul 31, 2011 |
| Publication date | Nov 13, 2018 |
| Grant date | Nov 13, 2018 |
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- Title
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Abstract
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An integrated process is provided to produce asphalt and desulfurized oil. Sulfur molecules contained in heavy petroleum fractions, including organosulfur molecules, and in certain embodiments organonitrogen molecules are oxidized. The polar oxidized sulfur compounds shift from the oil phase to the asphalt phase.
First claim
Opening claim text (preview).
The invention claimed is: 1. An integrated process for separating oil and asphalt in a feedstock comprising: charging the feedstock and an effective quantity of homogeneous catalyst that contains transition metal catalyst active species selected from the group of Mo(VI) and W(VI) to an oxidizing unit along with an effective quantity of oxidant to produce an intermediate charge containing oxidized organosulfur compounds; and passing the intermediate charge to a solvent deasphalting unit along with an effective quantity of solvent to produce a deasphalted/desulfurized oil phase and an asphalt phase containing oxidized organosulfur compounds. 2. The process as in claim 1 in which the oxidizing unit is an asphalt oxidizer. 3. The process as in claim 1 wherein the intermediate charge contains oxidized organosulfur compounds and oxidized organonitrogen compounds. 4. The process as in claim 3 wherein the oxidized organosulfur compounds and oxidized organonitrogen compounds are insoluble in the solvent used in the solvent deasphalting unit and thereby shift to the asphalt phase. 5. The process as in claim 1 wherein the oxidizing unit is operated at an inlet temperature in the range of from 100-300° C. 6. The process as in claim 1 wherein the oxidizing unit is operated at an inlet temperature in the range of from 150-200° C. 7. The process as in claim 1 wherein the oxidizing unit is operated at a temperature in the range of from 150-400° C. 8. The process as in claim 1 wherein the oxidizing unit is operated at a temperature in the range of from 250-300° C. 9. The process as in claim 1 wherein the oxidizing unit is operated at a pressure in the range of from ambient to 60 bars. 10. The process as in claim 1 wherein the oxidizing unit is operated at a pressure in the range of from ambient to 30 bars. 11. The process as in claim 1 , wherein the feedstock consists of atmospheric residue boiling above 370° C. 12. The process as in claim 1 , wherein the transition metal catalyst active species is Mo(VI). 13. The process as in claim 1 , wherein the transition metal catalyst active species is W(VI).
Assignees
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Classifications
Heteroatoms content, i.e. S, N, O, P · CPC title
Solvents · CPC title
Pressure · CPC title
Temperature · CPC title
- C10G1/00Primary
Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal (mechanical winning of oil from oil-shales, oil-sand, or the like B03B) · CPC title
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Frequently asked questions
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- What does patent US10125319B2 cover?
- An integrated process is provided to produce asphalt and desulfurized oil. Sulfur molecules contained in heavy petroleum fractions, including organosulfur molecules, and in certain embodiments organonitrogen molecules are oxidized. The polar oxidized sulfur compounds shift from the oil phase to the asphalt phase.
- Who is the assignee on this patent?
- Koseoglu Omer Refa, Bourane Abdennour, Saudi Arabian Oil Co
- What technology area does this patent fall under?
- Primary CPC classification C10G1/00. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Nov 13 2018 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).