[미국특허]
Hydrogenation catalyst and hydrogenation method
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C07C-029/14
C07C-029/00
B01J-021/08
B01J-021/00
B01J-023/28
B01J-023/16
출원번호
US-0409433
(2006-04-21)
등록번호
US-7335800
(2008-02-26)
발명자
/ 주소
Komplin,Glenn Charles
Smegal,John Anthony
출원인 / 주소
Shell Oil Company
대리인 / 주소
Taylor,Richard B.
인용정보
피인용 횟수 :
6인용 특허 :
30
초록▼
The present invention provides a hydrogenation catalyst effective for hydrogenating 3-hydroxypropionaldehyde to 1,3-propanediol. The hydrogenation catalyst comprises an α-alumina support, nickel, ruthenium, and a promoter. The nickel is deposited on the α-alumina support, and the rutheniu
The present invention provides a hydrogenation catalyst effective for hydrogenating 3-hydroxypropionaldehyde to 1,3-propanediol. The hydrogenation catalyst comprises an α-alumina support, nickel, ruthenium, and a promoter. The nickel is deposited on the α-alumina support, and the ruthenium and the promoter are deposited on the nickel and the α-alumina support. The α-alumina support comprises at least 92 wt. % of the catalyst, and the nickel comprises from 1 wt. % to 6 wt. % of the catalyst. The present invention also provides a process of hydrogenating 3-hydroxypropionaldehyde to 1,3-propanediol with the catalyst.
대표청구항▼
What is claimed is: 1. A process for hydrogenating aldehydes comprising: hydrogenating an aldehyde in the presence of a catalyst wherein the catalyst has a composition comprising a support comprising α-alumina and non-support metals comprising nickel, ruthenium, and a promoter selected from th
What is claimed is: 1. A process for hydrogenating aldehydes comprising: hydrogenating an aldehyde in the presence of a catalyst wherein the catalyst has a composition comprising a support comprising α-alumina and non-support metals comprising nickel, ruthenium, and a promoter selected from the group consisting of rhenium, tungsten, molybdenum, chromium, lanthanum, tin, iron, cobalt, silver, copper or mixtures thereof; wherein the nickel contacts the support and the ruthenium and the promoter at least partially overlay the nickel. 2. The process of claim 1 wherein the non-support metals comprise no more than 8 wt. % of the catalyst. 3. The process of claim 1 wherein the catalyst contains up to 6.0 wt. % nickel. 4. The process of claim 1 wherein the weight ratio of nickel to ruthenium plus promoter in the catalyst is from 1:2 to 6:1. 5. The process of claim 1 wherein the catalyst contains from 0.1 wt. % to 3.5 wt. % ruthenium and from 0.1 wt. % to 3.5 wt. % promoter and the weight ratio of ruthenium to promoter is from 1:4 to 4:1. 6. The process of claim 1 wherein said non-support metals of said catalyst further comprise molybdenum wherein said molybdenum is alloyed with said nickel and said ruthenium and said promoter at least partially overlay said molybdenum and said nickel. 7. The process of claim 1 wherein the promoter is rhenium. 8. The process of claim 1 wherein said aldehyde is a hydroxyaldehyde. 9. The process of claim 1 wherein said aldehyde is 3-hydroxypropionaldehyde, and said 3-hydroxypropionaldehyde is hydrogenated to 1,3-propanediol. 10. The process of claim 9 wherein the catalyst has an activity sufficient to hydrogenate 3-hydroxypropionaldehyde at a rate of at least 25 ml 3-hydroxypropionaldehyde/ml catalyst.hr at a temperature of from 50�� C. to 190�� C., at a pH of from 4.0 to 6.5, and at a hydrogen pressure of from 6.89 MPa to 11.0 MPa after at least 24 hours of catalyzing hydrogenation at a temperature of from 50�� C. to 190�� C., at a pH of from 4.0 to 6.5, and at a hydrogen pressure of from 6.89 MPa to 11.0 MPa. 11. The process of claim 9 wherein 3-hydroxypropionaldehyde is hydrogenated to 1,3-propanediol under a hydrogen atmosphere at a pressure of from 6.89 MPa to 11.0 MPa, at a temperature of from 50�� C. to 190�� C., and at a pH of less than 6.5. 12. The process of claim 9 wherein the 3-hydroxypropionaldehyde is in an aqueous solution where the 3-hydroxypropionaldehyde comprises at most 15 wt. % of the aqueous solution. 13. A hydrogenation catalyst comprising: a support comprising α-alumina; and non-support metals comprising (i) up to 6 wt. % nickel; (ii) ruthenium; and (iii) a promoter selected from the group consisting of rhenium, tungsten, molybdenum, chromium, lanthanum, tin, iron, cobalt, silver, copper, or mixtures thereof; wherein the nickel contacts the support, and the ruthenium and the promoter at least partially overlay the nickel, and wherein the non-support metals comprise no more than 8 wt % of the catalyst. 14. The hydrogenation catalyst of claim 13 wherein the catalyst contains from 1 wt. % to 3 wt. % nickel. 15. The hydrogenation catalyst of claim 13 wherein the support consists essentially of α-alumina. 16. The hydrogenation catalyst of claim 13 wherein the catalyst has a crush strength of at least 2.26 kg/mm. 17. The hydrogenation catalyst of claim 13 wherein the catalyst is a pellet having a cylindrical or a tri-lobal shape. 18. The hydrogenation catalyst of claim 13 wherein the promoter is rhenium. 19. The hydrogenation catalyst of claim 13 wherein the non-support metals include molybdenum where the molybdenum is alloyed with the nickel, and the ruthenium and the promoter at least partially overlay the nickel and the molybdenum. 20. The hydrogenation catalyst of claim 13 wherein the catalyst contains from 0.1 wt. % to 3.5 wt. % ruthenium and from 0.1 wt. % to 3.5 wt. % promoter where the weight ratio of ruthenium to promoter in the catalyst is from 1:4 to 4:1. 21. The hydrogenation catalyst of claim 13 wherein the weight ratio of nickel to ruthenium plus promoter in the catalyst is from 1:2 to 6:1. 22. The hydrogenation catalyst of claim 13 wherein said catalyst has an activity effective to hydrogenate 3-hydroxypropionaldehyde at a rate of at least 25 ml 3-hydroxypropionaldehyde/ml catalyst.hr at a temperature of from 50�� C. to 190�� C., at a pH of from 4.0 to 6.5, and at a pressure of from 6.89 MPa to 11.0 MPa after at least 24 hours of catalyzing hydrogenation at a temperature of from 50�� C. to 190�� C., at a pH of from 4.0 to 6.5, and at a hydrogen pressure of from 6.89 MPa to 11.0 MPa. 23. The hydrogenation catalyst of claim 22 wherein said activity is at least 35 ml 3-hydroxypropionaldehyde/ml catalyst.hr. 24. The hydrogenation catalyst of claim 13 wherein the catalyst is stable in air at ambient conditions. 25. A process for preparing a catalyst comprising: a) depositing nickel on a support comprised of α-alumina; b) calcining the support with the nickel thereon; c) after calcining, depositing ruthenium and a promoter selected from the group consisting of rhenium, tungsten, molybdenum, chromium, lanthanum, tin, iron, cobalt, silver, copper, or mixtures thereof on the support and on the nickel to form a catalyst precursor; and d) reducing the nickel, ruthenium, and promoter of the catalyst precursor to a metallic zero oxidation state to form the catalyst. 26. The process of claim 25 wherein the nickel, ruthenium, and promoter of the catalyst precursor are reduced by holding the catalyst precursor under a hydrogen atmosphere at a temperature of from 100�� C. to 500�� C. for a period of from 20 minutes to 24 hours. 27. The process of claim 25 wherein the nickel is deposited on the support by impregnating the support with an aqueous solution containing said nickel. 28. The process of claim 25 wherein the ruthenium and the promoter are deposited on the support and on the nickel by impregnating the support with the nickel thereon with an aqueous solution containing said ruthenium and said promoter. 29. The process of claim 25 wherein said promoter is rhenium. 30. The process of claim 25 wherein the support consists essentially of α-alumina. 31. The process of claim 25 wherein a concentration of nickel is deposited on the support sufficient to provide a concentration of nickel, by metallic weight, of up to 6 wt. % of the catalyst. 32. The process of claim 25 wherein the nickel, ruthenium, and promoter deposited on the support comprise no more than 8 wt. % of the catalyst.
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