12-05-2022 дата публикации
Номер: US20220143586A1
Принадлежит:
The present disclosure provides mesoporous catalyst compounds and compositions having one or more group 13 atoms. The present disclosure further relates to processes for converting hydrocarbon feedstocks to small olefins. In one aspect, a catalyst compound includes a zeolite having a structural type selected from MFI, MSE, MTW, Theta-One (TON), Ferrierite (FER), AFI, AFS, ATO, BEA, BEC, BOG, BPH, CAN, CON, EMT, EON, EZT, FAU, GME, GON, IFR, ISV, ITN, IWR, IWW, LTL, MAZ, MEI, MOR, MOZ, OFF, OKO, OSI, SAF, SAO, SEW, SFE, SFO, SSF, SSY, and USI, or a combination thereof, the zeolite having a silicon to aluminum molar ratio (Si/Al ratio) of from about 5 to about 40. In one aspect, a catalyst composition includes the catalyst compound and one or more group 13 metal. 1. A catalyst compound comprising:a zeolite having a structural type selected from MFI, MSE, MTW, TON, FER, AFI, AFS, ATO, BEA, BEC, BOG, BPH, CAN, CON, EMT, EON, EZT, FAU, GME, GON, IFR, ISV, ITN, IWR, IWW, LTL, MAZ, MEI, MOR, MOZ, OFF, OKO, OSI, SAF, SAO, SEW, SFE, SFO, SSF, SSY, and USI, or a combination thereof, the zeolite having a silicon to aluminum molar ratio (Si/Al ratio) of from about 5 to about 40.2. The catalyst compound of claim 1 , wherein the zeolite is a mesoporous MCM-68.3. The catalyst compound of claim 1 , wherein the zeolite has a ring size of at least an 8-membered ring.4. The catalyst compound of claim 1 , wherein the zeolite has a plurality of 12-membered rings.5. The catalyst compound of claim 1 , wherein the zeolite has at least one of the following properties: a total surface area of from 400 m2/g to 600 m2/g claim 1 , a total mesopore volume of 0.1 mL/g or greater claim 1 , or a total pore volume of from about 0.2 mL/g to about 0.6 mL/g.6. The catalyst compound of claim 1 , wherein the zeolite has a hexane sorption capacity at 75 Torr claim 1 , and 90° C. claim 1 , of about 5 wt % to about 15 wt % claim 1 , based on the total weight of the catalyst.7. A catalyst composition ...
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