Methods for upgrading of contaminated hydrocarbon streams
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C10G-029/22
C10G-017/06
C10G-027/04
C10G-053/12
C10G-053/14
C10G-019/073
C10G-019/08
C10G-021/00
출원번호
US-0287916
(2014-05-27)
등록번호
US-9206359
(2015-12-08)
발명자
/ 주소
Litz, Kyle E.
Vreeland, Jennifer L.
Rankin, Jonathan P.
Rossetti, Mark N.
Jordan, Tracey M.
McCaskill, Trent A.
Shipley, Erica
Clickner, Sarah
출원인 / 주소
AUTERRA, INC.
대리인 / 주소
Schmeiser, Olsen & Watts, LLP
인용정보
피인용 횟수 :
2인용 특허 :
67
초록▼
A method of upgrading a heteroatom-containing hydrocarbon feed by removing oxidized-heteroatom contaminants is disclosed. The method includes contacting the oxidized-heteroatom-containing hydrocarbon feed with a caustic and a selectivity promoter, and removing the heteroatom contaminants from the he
A method of upgrading a heteroatom-containing hydrocarbon feed by removing oxidized-heteroatom contaminants is disclosed. The method includes contacting the oxidized-heteroatom-containing hydrocarbon feed with a caustic and a selectivity promoter, and removing the heteroatom contaminants from the heteroatom-containing hydrocarbon feed.
대표청구항▼
1. A method of upgrading an oxidized-heteroatom-containing hydrocarbon feed by removing oxidized-heteroatom contaminants, the method comprising: contacting one of sulfoxide, sulfone, sulfonate, and sulfonic acid, and combinations thereof in the oxidized-heteroatom-containing hydrocarbon feed with a
1. A method of upgrading an oxidized-heteroatom-containing hydrocarbon feed by removing oxidized-heteroatom contaminants, the method comprising: contacting one of sulfoxide, sulfone, sulfonate, and sulfonic acid, and combinations thereof in the oxidized-heteroatom-containing hydrocarbon feed with a second feed comprising at least one caustic and at least one selectivity promoter to form a first intermediate stream; andremoving the oxidized heteroatom contaminants from the first intermediate stream. 2. The method of claim 1, wherein the oxidized-heteroatom-containing hydrocarbon feed is an unrefined crude oil. 3. The method of claim 1, wherein the at least one caustic and at least one selectivity promoter are recovered for reuse. 4. The method of claim 1, wherein the oxidized heteroatom contaminants comprise sulfites, sulfates or a combination thereof. 5. The method of claim 1, wherein the oxidized heteroatom contaminants comprise sulfates. 6. The method of claim 1, wherein the selectivity promoter has a pKa value, as measured in DMSO, in the range of from about 9 to about 32. 7. The method of claim 1, wherein the selectivity promoter is at least one of ethylene glycol and propylene glycol. 8. The method of claim 1, wherein the at least one selectivity promoter comprises an organic alcohol. 9. A method of upgrading an oxidized-heteroatom-containing hydrocarbon feed by removing oxidized-heteroatoms contaminants, the method comprising: separating one of sulfoxide, sulfone, sulfonate, and sulfonic acid, and combinations thereof from an oxidized-heteroatom-containing hydrocarbon feed to form a first intermediate stream;contacting the first intermediate stream with a second stream comprising at least one caustic and at least one selectivity promoter to form a second intermediate stream; andremoving the oxidized heteroatom contaminants from the second intermediate stream. 10. The method of claim 9, wherein the first intermediate stream is obtained by solvent extraction. 11. The method of claim 9, wherein the oxidized-heteroatom-containing hydrocarbon feed is an unrefined crude oil. 12. The method of claim 9, wherein the at least one caustic and at least one selectivity promoter are recovered for reuse. 13. The method of claim 9, wherein the oxidized heteroatom contaminants comprise sulfites, sulfates or a combination thereof. 14. The method of claim 9, wherein the oxidized heteroatom contaminants comprise sulfates. 15. The method of claim 9, wherein the selectivity promoter has a pKa value, as measured in DMSO, in the range of from about 9 to about 32. 16. The method of claim 9, wherein the selectivity promoter is at least one of ethylene glycol and propylene glycol. 17. The method of claim 9, wherein the at least one selectivity promoter comprises an organic alcohol. 18. A method of upgrading an oxidized-heteroatom-containing hydrocarbon feed by removing oxidized-heteroatom contaminants, the method comprising: contacting one of amine oxide, a nitrate, a nitro compound, and combinations thereof in an oxidized-heteroatom-containing hydrocarbon feed with a second stream comprising at least one caustic and at least one selectivity promoter to form a first intermediate stream; andremoving the oxidized heteroatom contaminants from the first intermediate stream. 19. The method of claim 18, wherein the oxidized-heteroatom-containing hydrocarbon feed is an unrefined crude oil. 20. The method of claim 18, wherein the at least one caustic and at least one selectivity promoter are recovered for reuse.
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