Aromatization catalysts with high surface area and pore volume
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C10G-035/085
B01J-029/62
B01J-029/06
B01J-029/068
B01J-035/10
C10G-035/095
B01J-038/12
B01J-029/072
B01J-029/63
B01J-029/90
B01J-037/02
B01J-037/08
B01J-038/10
B01J-037/24
B01J-037/30
B01J-037/00
출원번호
US-0175214
(2016-06-07)
등록번호
US-10183284
(2019-01-22)
발명자
/ 주소
Khare, Gyanesh P.
출원인 / 주소
Chevron Phillips Chemical Company LP
대리인 / 주소
Merchant & Gould, P.C.
인용정보
피인용 횟수 :
0인용 특허 :
138
초록
Regenerable aromatization catalysts having high surface area and pore volume, as well as methods for producing these catalysts, are disclosed.
대표청구항▼
1. A reforming process comprising: contacting a hydrocarbon feed with a supported aromatization catalyst under reforming conditions in a reactor system to produce an aromatic product; wherein the supported aromatization catalyst comprises:(i) a barium exchanged zeolitic support, wherein the zeolitic
1. A reforming process comprising: contacting a hydrocarbon feed with a supported aromatization catalyst under reforming conditions in a reactor system to produce an aromatic product; wherein the supported aromatization catalyst comprises:(i) a barium exchanged zeolitic support, wherein the zeolitic support comprises a large pore zeolite having an average pore diameter in a range of from about 7 Å to about 12 Å and from about 5 wt. % to about 30 wt. % binder, based on the total weight of the zeolitic support; and(ii) a Group VIII transition metal; wherein:the supported aromatization catalyst has a surface area in a range from about 165 to about 225 m2/g, andthe supported aromatization catalyst is substantially free of fluorine. 2. The process of claim 1, wherein the hydrocarbon feed comprises C6-C8 alkanes and/or cycloalkanes. 3. The process of claim 1, wherein the barium exchanged zeolitic support comprises a barium ion-exchanged L-zeolite. 4. The process of claim 1, wherein the barium exchanged zeolitic support comprises from about 10 wt. % to about 30 wt. % binder. 5. The process of claim 1, wherein the supported aromatization catalyst comprises: from about 0.2 wt. % to about 5 wt. % platinum;from about 1 wt. % to about 20 wt. % barium; andless than 2000 ppmw fluorine. 6. The process of claim 1, wherein the supported aromatization catalyst has: a surface area in a range from about 170 m2/g to about 210 m2/g;a total pore volume in a range from about 0.17 cc/g to about 0.24 cc/g; anda micropore volume in a range from about 0.05 cc/g to about 0.09 cc/g. 7. The process of claim 5, wherein: the zeolitic support comprises a L-zeolite;the binder comprises alumina, silica, magnesia, boria, titania, zirconia, a mixed oxide thereof, or a mixture thereof; andthe supported aromatization catalyst further comprises chlorine. 8. A reforming process comprising: contacting a hydrocarbon feed with a supported aromatization catalyst under reforming conditions in a reactor system to produce an aromatic product; wherein the supported aromatization catalyst comprises:(i) an alkaline earth metal exchanged zeolitic support, wherein the zeolitic support comprises a large pore zeolite having an average pore diameter in a range of from about 7 Å to about 12 Å and a binder; and(ii) a Group VIII transition metal; wherein:the supported aromatization catalyst has a surface area of at least about 165 m2/g;the supported aromatization catalyst has a total pore volume of at least about 0.17 cc/g; andthe supported aromatization catalyst is substantially free of fluorine. 9. The process of claim 8, wherein: the zeolitic support comprises a L-zeolite; andthe zeolitic support further comprises from about 1 wt. % to about 20 wt. % barium, based on the total weight of the supported aromatization catalyst. 10. The process of claim 9, wherein the hydrocarbon feed comprises C6-C8 alkanes and/or cycloalkanes. 11. The process of claim 10, wherein: the surface area is in a range from about 170 to about 210 m2/g; andthe total pore volume is in a range from about 0.17 to about 0.24 cc/g. 12. The process of claim 8, wherein: the Group VIII transition metal comprises platinum; andthe catalyst comprises from about 0.2 wt. % to about 5 wt. % platinum, based on the total weight of the supported aromatization catalyst. 13. The process of claim 8, wherein: the supported aromatization catalyst comprises less than 500 ppmw fluorine; andthe supported aromatization catalyst further comprises chlorine. 14. The process of claim 8, wherein the zeolitic support comprises from about 5 wt. % to about 30 wt. % binder, based on the total weight of the zeolitic support. 15. The process of claim 8, wherein the supported aromatization catalyst has: a surface area in a range from about 170 to about 210 m2/g;a total pore volume in a range from about 0.17 to about 0.24 cc/g; anda micropore volume in a range from about 0.05 to about 0.09 cc/g. 16. A reforming process comprising: contacting a hydrocarbon feed with a supported aromatization catalyst under reforming conditions in a reactor system to produce an aromatic product; wherein the supported aromatization catalyst comprises:(i) an alkaline earth metal exchanged zeolitic support, wherein the zeolitic support comprises a large pore zeolite having an average pore diameter in a range of from about 7 Å to about 12 Å and a binder;(ii) from about 0.2 wt. % to about 5 wt. % platinum, based on the total weight of the supported aromatization catalyst; and(iii) from about 1 wt. % to about 20 wt. % barium, based on the total weight of the supported aromatization catalyst; wherein:the supported aromatization catalyst has a surface area of at least about 165 m2/g;the supported aromatization catalyst is substantially free of fluorine; anda cycle length or useful life of a regenerated supported aromatization catalyst is at least 50% of the cycle length or useful life of the fresh supported aromatization catalyst. 17. The process of claim 16, wherein the hydrocarbon feed comprises C6-C8 alkanes and/or cycloalkanes. 18. The process of claim 17, wherein the zeolitic support comprises a L-zeolite. 19. The process of claim 18, wherein the supported aromatization catalyst comprises from about 2 wt. % to about 10 wt. % barium. 20. The process of claim 19, wherein the supported aromatization catalyst comprises less than 500 ppmw fluorine. 21. The process of claim 20, wherein the surface area is in a range from about 170 to about 210 m2/g. 22. The process of claim 19, wherein the supported aromatization catalyst has a total pore volume in a range from about 0.17 to about 0.24 cc/g.
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