Selective hydrogenation catalyst and methods of making and using same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C10G-045/40
B01J-027/138
B01J-027/13
B01J-023/44
B01J-023/50
B01J-037/02
B01J-037/24
B01J-021/04
B01J-027/125
B01J-035/10
출원번호
US-0248563
(2014-04-09)
등록번호
US-9550173
(2017-01-24)
발명자
/ 주소
Cheung, Tin-Tack Peter
Bergmeister, III, Joseph
Hong, Zongxuan
출원인 / 주소
Chevron Philips Chemical Company LP
대리인 / 주소
Conley Rose, P.C.
인용정보
피인용 횟수 :
0인용 특허 :
57
초록▼
A method for producing a selective hydrogenation catalyst for hydrogenating a highly unsaturated hydrocarbon to an unsaturated hydrocarbon comprising contacting an inorganic catalyst support with a chlorine-containing compound to form a chlorided catalyst support and adding palladium to the chloride
A method for producing a selective hydrogenation catalyst for hydrogenating a highly unsaturated hydrocarbon to an unsaturated hydrocarbon comprising contacting an inorganic catalyst support with a chlorine-containing compound to form a chlorided catalyst support and adding palladium to the chlorided catalyst support to form a supported-palladium composition. A selective hydrogenation catalyst for hydrogenating a highly unsaturated hydrocarbon to an unsaturated hydrocarbon formed by the method comprising contacting an inorganic catalyst support with a chlorine-containing compound to form a chlorided catalyst support and adding palladium to the chlorided catalyst support to form a supported-palladium composition. A method of selectively hydrogenating a highly unsaturated hydrocarbon to an unsaturated hydrocarbon comprising contacting the highly unsaturated hydrocarbon with a selective hydrogenation catalyst composition produced by contacting an inorganic catalyst support with a chlorine-containing compound to form a chlorided catalyst support and adding palladium to the chlorided catalyst support to form a supported-palladium composition.
대표청구항▼
1. A selective hydrogenation catalyst comprising: (a) a clean chlorided inorganic catalyst support containing from about 5 to about 2000 ppm by weight of chlorine, based on a total weight of the clean chlorided inorganic catalyst support;(b) about 0.01 to about 1.0 weight percent palladium based on
1. A selective hydrogenation catalyst comprising: (a) a clean chlorided inorganic catalyst support containing from about 5 to about 2000 ppm by weight of chlorine, based on a total weight of the clean chlorided inorganic catalyst support;(b) about 0.01 to about 1.0 weight percent palladium based on the total weight of the selective hydrogenation catalyst; and(c) about 0.01 to about 10 weight percent silver based on the total weight of the selective hydrogenation catalyst. 2. The selective hydrogenation catalyst of claim 1, wherein the clean chlorided inorganic catalyst support comprises from about 10 to about 1200 ppm by weight of chlorine based on the total weight of the selective hydrogenation catalyst, wherein the selective hydrogenation catalyst comprises from about 0.01 to about 0.8 weight percent palladium based on the total weight of the selective hydrogenation catalyst, and wherein the selective hydrogenation catalyst comprises from about 0.01 to about 5 weight percent silver based on the total weight of the selective hydrogenation catalyst. 3. The selective hydrogenation catalyst of claim 1, further comprising one or more selectivity enhancers selected from the group consisting of phosphorus, phosphorus-containing compounds, and combinations thereof. 4. The selective hydrogenation catalyst of claim 1, further comprising one or more selectivity enhancers selected from the group consisting of alkaline metals, alkaline metal-containing compounds, and combinations thereof. 5. The selective hydrogenation catalyst of claim 1, further comprising one or more selectivity enhancers selected from the group consisting of iodine, iodide-containing compounds, sulfur, sulfur-containing compounds, and combinations thereof. 6. The selective hydrogenation catalyst of claim 3, wherein the selective hydrogenation catalyst comprises from about 0.001 to about 10 weight percent selectivity enhancer based on the total weight of the selective hydrogenation catalyst. 7. The selective hydrogenation catalyst of claim 1, wherein the palladium has a skin thickness of from about 1 micron to about 3000 microns. 8. The selective hydrogenation catalyst of claim 1, wherein a fouling rate of the selective hydrogenation catalyst is at least about 25 percent less than the fouling rate of an otherwise similar selective hydrogenation catalyst having a non-chlorided inorganic catalyst support under like hydrogenation conditions. 9. The selective hydrogenation catalyst of claim 1, wherein the selective hydrogenation catalyst is produced by a method comprising: contacting an inorganic catalyst support with a chlorine-containing compound to form a chlorided inorganic catalyst support;subsequently removing at least some of the chlorine-containing compound from the chlorided inorganic catalyst support to form the clean chlorided catalyst support; andsubsequently adding palladium to the clean chlorided inorganic catalyst support to form the selective hydrogenation catalyst. 10. The selective hydrogenation catalyst of claim 1, wherein the selective hydrogenation catalyst is produced by a method comprising: contacting an inorganic catalyst support with a chlorine-containing compound;subsequently washing the inorganic catalyst support; andsubsequently adding palladium to the inorganic catalyst support. 11. A selective hydrogenation catalyst comprising: (a) a chlorided inorganic catalyst support, wherein the chlorided inorganic catalyst support contains from about 5 to about 2000 ppm by weight of chlorine based on a total weight of the chlorided inorganic catalyst support after removal of an amount of a chlorine-containing compound from the chlorided inorganic catalyst support;(b) about 0.01 to about 1.0 weight percent palladium based on the total weight of the selective hydrogenation catalyst; and(c) about 0.01 to about 10 weight percent silver based on the total weight of the selective hydrogenation catalyst. 12. The selective hydrogenation catalyst of claim 11, wherein the palladium on the selective hydrogenation catalyst has a skin thickness of from about 1 micron to about 3000 microns. 13. The selective hydrogenation catalyst of claim 11, wherein the chlorided inorganic catalyst support comprises from about 10 to about 1200 ppm by weight of chlorine based on the total weight of the selective hydrogenation catalyst, wherein the selective hydrogenation catalyst comprises from about 0.01 to about 0.8 weight percent palladium based on the total weight of the selective hydrogenation catalyst, and wherein the selective hydrogenation catalyst comprises from about 0.01 to about 5 weight percent silver based on the total weight of the selective hydrogenation catalyst. 14. The selective hydrogenation catalyst of claim 11, further comprising one or more selectivity enhancers selected from the group consisting of phosphorus, phosphorus-containing compounds, and combinations thereof. 15. The selective hydrogenation catalyst of claim 14, wherein the selective hydrogenation catalyst comprises from about 0.001 to about 10 weight percent selectivity enhancer based on the total weight of the selective hydrogenation catalyst. 16. The selective hydrogenation catalyst of claim 11, further comprising one or more selectivity enhancers selected from the group consisting of alkaline metals, alkaline metal-containing compounds, and combinations thereof. 17. The selective hydrogenation catalyst of claim 11, further comprising one or more selectivity enhancers selected from the group consisting of iodine, iodide-containing compounds, sulfur, sulfur-containing compounds, and combinations thereof. 18. The selective hydrogenation catalyst of claim 11, wherein a fouling rate of the selective hydrogenation catalyst is at least about 25 percent less than the fouling rate of an otherwise similar selective hydrogenation catalyst having a non-chlorided inorganic catalyst support under like hydrogenation conditions. 19. The selective hydrogenation catalyst of claim 11, wherein the palladium has a skin thickness of from about 1 micron to about 3000 microns. 20. The selective hydrogenation catalyst of claim 19, wherein at least 95 weight percent of the palladium added to the chlorided inorganic catalyst support is present in a palladium skin.
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