Synthesis of acidic silica to upgrade heavy feeds
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C10G-045/00
C10G-045/24
C10G-001/00
C07D-333/76
C10G-045/30
C10G-045/28
C10L-001/04
출원번호
US-0558156
(2014-12-02)
등록번호
US-9453168
(2016-09-27)
발명자
/ 주소
Castillo, Karina
Parsons, Jason
Chianelli, Russell R.
출원인 / 주소
Board of Regents, The University of Texas System
대리인 / 주소
Lopez, Kermit D.
인용정보
피인용 횟수 :
0인용 특허 :
22
초록▼
A method and a product made by treating a sulfur-containing hydrocarbon heavy feed, e.g., heavy crude asphaltene reduction is disposed herein. The method comprises the steps of: mixing the sulfur-containing hydrocarbon heavy feed with a hydrogen donor solvent and an addled silica to form a mixture a
A method and a product made by treating a sulfur-containing hydrocarbon heavy feed, e.g., heavy crude asphaltene reduction is disposed herein. The method comprises the steps of: mixing the sulfur-containing hydrocarbon heavy feed with a hydrogen donor solvent and an addled silica to form a mixture and oxidizing the sulfur in the mixture at a temperature between 50° C. and 210° C. wherein the oxidation lowers the amount sulfur in the sulfur-containing hydrocarbon heavy feed by at least 90%.
대표청구항▼
1. A method of extracting sulfur from an oxidized hydrocarbon feed, said method comprising the steps of: mixing a solution comprising a sulfur containing oxidized hydrocarbon feed, an acidified silica, a hydrogen donor solvent, any unreacted materials and reaction by-products with one or more polar
1. A method of extracting sulfur from an oxidized hydrocarbon feed, said method comprising the steps of: mixing a solution comprising a sulfur containing oxidized hydrocarbon feed, an acidified silica, a hydrogen donor solvent, any unreacted materials and reaction by-products with one or more polar organic solvents;allowing the sulfur containing oxidized hydrocarbon feed to migrate to the polar organic solvent phase; andremoving the one or more polar organic solvents by evaporation to recover the sulfur. 2. The method of claim 1, wherein the oxidized hydrocarbon feed comprises asphaltenes, tar sands, bitumens, heavy petroleum or mixtures thereof. 3. The method of claim 1, wherein the hydrogen donor solvent is selected from the group consisting of hydrogen, natural petroleum, bases, alcohols, decahydronaphthalene, and tetrahydronaphthalene. 4. The method of claim 1, wherein acidified silica has a pH range from 0 to 2. 5. The method of claim 1, wherein the acidified silica comprises an amorphous silica or a silica gel. 6. The method of claim 1, wherein the polar organic solvent is selected from the group consisting of ethanol, methanol, n-propanol, isopropanol, n-butanol, formic acid, acetic acid, 1,4-dioxane, THF, dichloromethane, acetone, acetonitrile, DMF, DMSO, and any combinations thereof. 7. A sulfur extracted from a hydrocarbon feed by the method of claim 1. 8. A treated crude oil with reduced asphaltene content made by the method of claim 1. 9. A method for mid-distillate upgradatlon and sulfur removal in a fuel, said method comprising the steps of: mixing the fuel with a hydrogen donor solvent and an acidified silica to form a mixture; andoxidizing the sulfur in the mixture in air or a mixture of air and O2 at a temperature between 50° C. and 210° C. 10. The method of claim 9, wherein the fuel comprises diesel, heavy petroleum, asphaltene, tar sands, bitumens, or mixtures thereof. 11. The method of claim 9, wherein the hydrogen donor solvent is selected from the group consisting of hydrogen, natural petroleum, bases, alcohols, decahydronaphthalene, and tetrahydronaphthalene. 12. The method of claim 9, wherein acidified silica has a pH range from 0 to 2. 13. The method of claim 9, wherein the acidified silica comprises an amorphous silica or a silica gel. 14. The method of claim 9, wherein the temperature for oxidizing the mixture is 120° C. to 160° C. 15. The method of claim 9, further comprising the step of adding a reduced noble metal catalyst or a mixture of a noble metal and one or more acidic catalysts, wherein the acidic catalysts comprise zeolites, silica, alumina or combinations thereof. 16. The method of claim 9, further comprising adding reduced gold, platinum, silver, and palladium metal nanoparticles or mixtures thereof. 17. The method of claim 9, wherein the silica comprises reduced gold, platinum, silver, and palladium particles or mixtures thereof. 18. The method of claim 9, wherein the solvents comprise at least one of decalin, tetralin, toluene, heptane, and dodecane. 19. The method of claim 9, wherein the method lowers the amount sulfur in the fuel by at least 90%. 20. The method of claim 9, wherein the fuel has less than 1,000, 500, 250, 200, 100, 50 or 10 ppm sulfur after treatment. 21. A fuel made by the method of claim 9.
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