Method of making substantially nonporous substrate supported noble metal- and lanthanide-containing catalysts
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01J-037/30
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-023/63
C07C-005/03
B01J-037/18
B01J-035/06
B01J-035/10
B01J-037/02
출원번호
US-0463215
(2014-08-19)
등록번호
US-9126188
(2015-09-08)
발명자
/ 주소
Bogdan, Paula L.
Nemeth, Valeria J.
Bare, Simon R.
출원인 / 주소
UOP LLC
인용정보
피인용 횟수 :
0인용 특허 :
17
초록▼
Aspects of the invention relate to hydrogenation catalysts, and hydrogenation processes using these catalysts, having particular characteristics, in terms of the amount and type of metal hydrogenation component (or catalytic constituent), as well as the support or substrate. The catalyst composition
Aspects of the invention relate to hydrogenation catalysts, and hydrogenation processes using these catalysts, having particular characteristics, in terms of the amount and type of metal hydrogenation component (or catalytic constituent), as well as the support or substrate. The catalyst compositions, comprising both a noble metal and a lanthanide element on a substantially non-porous substrate, provide advantageous performance characteristics, including conversion, selectivity, and activity stability, as demanded in industrial hydrogenation and selective hydrogenation applications.
대표청구항▼
1. A method for preparing a catalyst comprising a noble metal and a lanthanide element deposited on a support comprising a substantially non-porous substrate having a surface area, as measured by S.A.N2-BET or S.A.Kr-BET, from about 0.01 to about 10 m2/g, wherein said method comprises: (a) contactin
1. A method for preparing a catalyst comprising a noble metal and a lanthanide element deposited on a support comprising a substantially non-porous substrate having a surface area, as measured by S.A.N2-BET or S.A.Kr-BET, from about 0.01 to about 10 m2/g, wherein said method comprises: (a) contacting fibers of the substantially non-porous substrate with an acid to provide an acid-leached substrate;(b) ion exchanging the acid-leached substrate with one or more ion exchange solutions comprising ions of the noble metal and ions of the lanthanide element to provide an ion-exchanged substrate having the noble metal and lanthanide element deposited thereon; and(c) treating said ion-exchanged substrate with a treatment selected from the group consisting of pH adjusting, calcining, oxidizing, reducing, sulfiding, carbiding, nitriding, phosphiding and boriding. 2. The method of claim 1 wherein said treatment is reducing. 3. The method of claim 2 wherein said reducing treatment is under reducing conditions that include a temperature from about 100° to about 400° C. and flowing hydrogen. 4. The method of claim 1 wherein the noble metal is palladium and the lanthanide element is europium. 5. The method of claim 1 wherein said ion exchange solution comprises palladium tetramine nitrate or palladium tetraamine hydroxide. 6. The method of claim 1 wherein said ion exchange solution comprises europium nitrate. 7. The method of claim 1 wherein the acid is an inorganic acid. 8. The method of claim 1 wherein said acid is selected from the group consisting of nitric acid, phosphoric acid, sulfuric acid, hydrochloric acid, acetic acid, perchloric acid, hydrobromic acid, chlorosulfonic acid, trifluoroacetic acid and mixtures thereof. 9. The method of claim 1 wherein step (b) comprises ion exchanging the acid-leached substrate with a single ion exchange solution comprising both palladium ions and europium ions. 10. The method of claim 9 wherein the single ion exchange solution comprises nitrate ions, in addition to palladium and europium ions. 11. The method of claim 1 wherein step (b) comprises ion exchanging the acid-leached substrate sequentially with an ion exchange solution comprising ions of a noble metal and then ion exchanging the acid-leached substrate with an ion exchange solution comprising ions of a lanthanide element. 12. The method of claim 1 wherein step (b) comprises ion exchanging the acid-leached substrate sequentially with an ion exchange solution comprising ions of a lanthanide element and then ion exchanging the acid-leached substrate with an ion exchange solution comprising ions of a noble metal. 13. The method of claim 1 wherein the substrate is a glass selected from the group consisting of AR-glasses, rare earth sodium silicate glasses, silico boroaluminate glasses, E-glasses, boron-free E-glasses, S-glasses, R-glasses, rare earth-silicate glasses, Ba—Ti-silicate glasses, nitrided glasses, A-glasses, C-glasses and CC-glasses and mixtures thereof. 14. The method of claim 13 wherein the glass is an A-glass, an E-glass, an AR-glass, or a mixture thereof. 15. The method of claim 13 wherein the glass is in a form selected from the group consisting of fibers, fibrillated fibers, cylindrical particles, spherical particles, elliptical particles, flat particles, irregular fractured particles, spiral or helical particles, extrudates, rings, saddles, cartridges, membranes, spiral bound membranes filters and combinations thereof. 16. The method of claim 1 wherein the substrate is a glass containing oxide of Zr, Hf, Al, and/or lanthanides, and/or alkaline earth metal oxides, and/or alkali metal oxides.
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