Bimetallic catalyst and use in xylene production
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01J-029/06
B01J-008/04
B01J-016/00
C07C-005/27
B01J-029/40
B01J-029/44
B01J-029/46
B01J-037/00
B01J-023/42
B01J-023/50
B01J-023/60
B01J-023/62
B01J-023/89
출원번호
US-0747905
(2013-01-23)
등록번호
US-9018121
(2015-04-28)
발명자
/ 주소
Ross, April D.
Cheng, Jane C.
출원인 / 주소
ExxonMobil Chemicals Patents Inc.
대리인 / 주소
Jenkins, Amanda K.
인용정보
피인용 횟수 :
4인용 특허 :
12
초록▼
The invention is directed to a bimetallic catalyst system adapted for the manufacture of xylenes, a process for making said catalyst system, and to the process of manufacture of xylenes using said catalyst system, providing, in embodiments, improved selectivity by at least one of higher ethylene sat
The invention is directed to a bimetallic catalyst system adapted for the manufacture of xylenes, a process for making said catalyst system, and to the process of manufacture of xylenes using said catalyst system, providing, in embodiments, improved selectivity by at least one of higher ethylene saturation and low xylene loss, decreased susceptibility to poisoning from feedstream impurities, and ability to operate at less severe conditions.
대표청구항▼
1. A catalyst system comprising a first bed including at least one first metal selected from platinum, rhenium, and mixtures thereof in an amount from about 0.1 to 0.3 wt. %, and at least one second metal selected from silver, copper, ruthenium, indium and tin, dispersed on ZSM-5, and a second bed i
1. A catalyst system comprising a first bed including at least one first metal selected from platinum, rhenium, and mixtures thereof in an amount from about 0.1 to 0.3 wt. %, and at least one second metal selected from silver, copper, ruthenium, indium and tin, dispersed on ZSM-5, and a second bed including at least one first metal selected from platinum, rhenium, and mixtures thereof in an amount from about 0.1 to 0.3 wt. %, and at least one second metal selected from silver, copper, ruthenium, indium and tin, dispersed on ZSM-5, further characterized in that ZSM-5 in the first bed is silicon-selectivated and ZSM-5 in the second bed is not silicon-selectivated, and the ratio of the first metal to the second metal in the first bed and the second bed is from 1:1 to 1:4. 2. The catalyst system according to claim 1, wherein at least one of said first bed and said second bed further comprises a support selected independently from at least one of alumina, silica, aluminosilicates, clay, and combinations thereof. 3. The catalyst system according to claim 1, further characterized as including a first bed comprising a catalyst made by adding at least one first metal selected from platinum, rhenium, and mixtures thereof and at least one second metal selected from silver, copper, ruthenium, indium and tin by the incipient wetness technique to a silicone-selectivated ZSM-5, followed by drying and calcination, and a second bed comprising a catalyst made by combining a metal solution comprising at least one first metal selected from platinum, rhenium, and mixtures thereof and at least one second metal selected from silver, copper, ruthenium, indium and tin, and water and a non-selectivated ZSM-5 molecular sieve and mulling with a support, followed by extrusion, drying, calcination, and steaming. 4. The catalyst system according to claim 1, wherein said first bed comprises at least one second metal selected from silver, copper, tin, and mixtures thereof, and said second bed comprises at least one second metal selected from silver, copper, tin, and mixtures thereof. 5. The catalyst system according to claim 1, wherein said first bed comprises at least one second metal selected from silver, tin, and mixtures thereof, and said second bed comprises at least one second metal selected from silver, tin, and mixtures thereof. 6. The catalyst system according to claim 1, wherein said first metal in said first bed is rhenium and said first metal in said second bed is rhenium. 7. The catalyst system according to claim 1, wherein said second metal in said first bed is silver and said second metal in said second bed is silver. 8. The catalyst system according to claim 1, wherein said second metal in said first bed is tin and said second metal in said second bed is tin. 9. The catalyst system according to claim 1, wherein said first metal in said first bed is platinum and said first metal in said second bed is platinum.
Iwayama,Kazuyoshi; Konta,Hiroshi; Watanabe,Masatoshi, Conversion catalyst for ethylbenzene containing xylenes and process for converting ethylbenzene containing xylenes by using catalyst.
Abichandani Jeevan S. (Voorhees NJ) Beck Jeffrey S. (Lawrenceville NJ) Olson David H. (Pennington NJ) Reischman P. Thomas (Lambertville NJ) Stern David L. (Lawrenceville NJ) Venkat Chaya R. (Princeto, Selective ethylbenzene conversion.
Beck Jeffrey Scott ; Crane ; Jr. Robert Andrew ; Kowalski Jocelyn Anne ; Lissy Daria Nowakiwska ; Mathias Mark Fischer ; Stern David Lawrence, Xylene isomerization.
Abichandani Jeeven S. ; Beck Jeffrey S. ; Bundens Robert G. ; Breckenridge Lloyd L. ; Stern David L. ; Venkat Chaya R., Xylene isomerization on separate reactors.
Chu Yung F. (Cherry Hill NJ) Kresge Charles T. (Ellicott City MD) LaPierre Rene B. (Medford NJ), Xylene isomerization process to exhaustively convert ethylbenzene and non-aromatics.
Al-Khattaf, Sulaiman Saleh; Ali, Syed Ahmed; Aitani, Abdullah Mohammed, Method for forming a zeolite catalyst and use thereof to form a BTX-rich stream.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.