[미국특허]
Selective hydrogenation catalyst and methods of making and using same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01J-031/00
B01J-021/00
B01J-021/04
B01J-023/00
B01J-023/02
B01J-023/40
B01J-023/42
B01J-023/44
B01J-023/58
B01J-031/02
B01J-023/66
B01J-027/13
B01J-031/16
B01J-031/18
B01J-031/24
B01J-037/02
B01J-037/28
C10G-045/40
C07C-005/09
B01J-035/00
B01J-035/02
B01J-035/10
출원번호
US-0134282
(2013-12-19)
등록번호
US-9012348
(2015-04-21)
발명자
/ 주소
Cheung, Tin-Tack Peter
Hong, Zongxuan
출원인 / 주소
Chevron Phillips Chemical Company LP
대리인 / 주소
Conley Rose, P.C.
인용정보
피인용 횟수 :
1인용 특허 :
44
초록▼
A composition comprising a supported hydrogenation catalyst comprising palladium and an organophosphorous compound, the supported hydrogenation catalyst being capable of selectively hydrogenating highly unsaturated hydrocarbons to unsaturated hydrocarbons. A method of making a selective hydrogenatio
A composition comprising a supported hydrogenation catalyst comprising palladium and an organophosphorous compound, the supported hydrogenation catalyst being capable of selectively hydrogenating highly unsaturated hydrocarbons to unsaturated hydrocarbons. A method of making a selective hydrogenation catalyst comprising contacting a support with a palladium-containing compound to form a palladium supported composition, contacting the palladium supported composition with an organophosphorus compound to form a catalyst precursor, and reducing the catalyst precursor to form the catalyst. A method of selectively hydrogenating highly unsaturated hydrocarbons to an unsaturated hydrocarbon enriched composition comprising contacting a supported catalyst comprising palladium and an organophosphorous compound with a feed comprising highly unsaturated hydrocarbon under conditions suitable for hydrogenating at least a portion of the highly unsaturated hydrocarbon feed to form the unsaturated hydrocarbon enriched composition.
대표청구항▼
1. A method of making a selective hydrogenation catalyst comprising: contacting a support with a palladium-containing compound to form a palladium supported composition;contacting the palladium supported composition with an organophosphorus compound to form a catalyst precursor; andreducing the cata
1. A method of making a selective hydrogenation catalyst comprising: contacting a support with a palladium-containing compound to form a palladium supported composition;contacting the palladium supported composition with an organophosphorus compound to form a catalyst precursor; andreducing the catalyst precursor to form the catalyst. 2. The method of claim 1 wherein the organophosphorus compound is represented by the general formula (R)x(OR′)yP═O, wherein x and y are integers ranging from 0 to 3 and x+y=3, wherein each R may be hydrogen, a hydrocarbyl group, or combinations thereof; and wherein each R′ may a hydrocarbyl group. 3. The method of claim 1 wherein the organophosphorus compound comprises a phosphine oxide, phosphinate, phosphonate, phosphate, or combinations thereof. 4. The method of claim 1 wherein the organophosphorus compound is a product of an organophosphorus compound precursor represented by the general formula of (R)x(OR′)yP, wherein x and y are integers ranging from 0 to 3 and x+y=3, wherein each R may be hydrogen, a hydrocarbyl group, or combinations thereof; and wherein each R′ may a hydrocarbyl group. 5. The method of claim 4 wherein the organophosphorus compound precursor comprises a phosphite, a phosphonite, a phosphinite, a phosphine, an organic phosphine, or combinations thereof. 6. The method of claim 1 wherein the organophosphorus compound has a boiling point of greater than about 300° C. 7. The method of claim 1 wherein: the palladium-containing compound is present in an amount of from about 0.005 wt. % to about 5 wt. % based on the total weight of the catalyst; andthe organophosphorus compound is present in an amount of from about 0.005 wt. % to about 5 wt. % based on the total weight of the catalyst. 8. The method of claim 1 further comprising contacting the catalyst precursor with a selectivity enhancer. 9. The method of claim 8 wherein the selectivity enhancer is present in an amount of from about 0.005 wt. % to about 5 wt. % based on the total weight of the catalyst. 10. The method of claim 1 further comprising contacting the palladium supported composition with Group 1B metals, Group 1B metal compounds, silver compounds, fluorine, fluoride compounds, sulfur, sulfur compounds, alkali metal, alkali metal compounds, alkaline metals, alkaline metal compounds, iodine, iodide compounds, or combinations thereof. 11. The method of claim 1 further comprising contacting the palladium supported composition with elemental silver, silver nitrate, silver acetate, silver bromide, silver chloride, silver iodide, silver fluoride, or combinations thereof. 12. The method of claim 1 further comprising contacting the palladium supported composition with an alkali metal compound. 13. The method of claim 12 wherein the alkali metal compound comprises elemental alkali metal, alkali metal fluoride, alkali metal chloride, alkali metal bromide, alkali metal iodide, alkali metal oxide, alkali metal carbonate, alkali metal sulfate, alkali metal phosphate, alkali metal borate, potassium fluoride, or combinations thereof. 14. The method of claim 12 wherein the alkali metal compound is present in an amount of from about 0.01 wt. % to about 5 wt. % based on the total weight of the catalyst. 15. The method of claim 1 further comprising drying the catalyst precursor at a temperature of from about 0° C. to about 150° C. for a time period of from about 0.1 hour to about 100 hours.
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