Mesostructured zeolitic materials and methods of making and using the same
View Patent ↗One aspect of the present invention relates to mesostructured zeolites. The invention also relates to a method of preparing mesostructured zeolites, as well as using them as cracking catalysts for organic compounds and degradation catalysts for polymers.
1. A method of refining a crude oil comprising contacting the crude oil with a mesostructured zeolitic one-phase hybrid material having long-range crystallinity and comprising a plurality of mesopores.
2. The method of claim 1 wherein the contacting of the oil with the mesostructured zeolite takes place within a Fluid Catalytic Cracking (FCC) Unit.
3. The method of claim 1 wherein production of gasoline is increased relative to the amount of gasoline produced in the absence of the mesostructured zeolite.
4. The method of claim 1 wherein production of light olefins is increased relative to the amount of light olefins produced in the absence of the mesostructured zeolite.
5. The method of claim 1 wherein the mesostructured zeolitic one-phase hybrid material has a zeolitic structure of a faujasite (FAU), mordenite (MOR), or ZSM-5 (MFI).
6. The method of claim 1 wherein the mesostructured zeolitic one-phase hybrid material has the hexagonal pore arrangement of MCM-41.
7. The method of claim 1 wherein the mesostructured zeolitic one-phase hybrid material is Y[MCM-41], MOR[MCM-41], or ZSM-5[MCM-41].
8. The method of claim 1 wherein the mesostructured zeolitic one-phase hybrid material exhibits a sharp nitrogen uptake at a partial pressure [P/P o ] higher than a partial pressure indicating microporosity.
9. The method of claim 8 wherein the higher partial pressure of the sharp nitrogen uptake of the mesostructured zeolitic one-phase hybrid material is between about 0.2 and 0.6.
10. The method of claim 9 wherein the higher partial pressure of the sharp nitrogen uptake of the mesostructured zeolitic one-phase hybrid material is about 0.3.
11. The method of claim 1 wherein the mesostructured zeolitic one-phase hybrid material has a faujasite (FAU), mordenite (MOR), or ZSM-5 (MFI) structure.
12. The method of claim 1 wherein the plurality of mesopores of the mesostructured zeolitic one-phase hybrid material comprise a mean pore diameter from about 2 to about 5 nm.
13. The method of claim 1 wherein the plurality of mesopores of the mesostructured zeolitic one-phase hybrid material have a wall thickness from about 1 to about 5 nm.
14. The method of claim 1 wherein the plurality of mesopores of the mesostructured zeolitic one-phase hybrid material have a pore size distribution that is narrow.
15. The method of claim 1 wherein the plurality of mesopores of the mesostructured zeolitic one-phase hybrid material comprise a pore size diameter distribution having a range of from about one half to about double the average pore size diameter.
16. The method of claim 1 wherein the plurality of mesopores of the mesostructured zeolitic one-phase hybrid material define a mesopore pore volume, a majority of the mesopore pore volume having a pore size diameter distribution range of from about one half to about double the average pore size diameter.
17. The method of claim 1 wherein the mesostructured zeolitic one-phase hybrid material is a faujasite.
18. The method of claim 1 wherein the mesostructured zeolitic one-phase hybrid material has a mesoporous volume adsorption of at least about 0.05 cc/g.
19. The method of claim 1 wherein the mesostructured zeolitic one-phase hybrid material has a mesoporous volume adsorption of at least about 0.1 cc/g.
20. The method of claim 1 wherein the mesostructured zeolitic one-phase hybrid material has a mesoporous volume adsorption of at least about 0.2 cc/g.
21. The method of claim 1 wherein the mesoporosity of the mesostructured zeolitic one-phase hybrid material is arranged.
22. The method of claim 21 wherein the arrangement produces one or more distinctive XRD peaks at two theta values between 0 and 8 two theta angle degrees.
23. A method of refining a crude oil comprising contacting the crude oil with a hybrid one-phase mesostructured zeolitic material having long-range crystallinity and comprising a plurality of mesopores, such that the long-range crystallinity results in XRD peaks at two theta angle degrees higher than 8.
24. The method of claim 23 wherein the contacting of the oil with the mesostructured zeolite takes place within a Fluid Catalytic Cracking (FCC) Unit.
25. The method of claim 23 wherein production of gasoline is increased relative to the amount of gasoline produced in the absence of the mesostructured zeolite.
26. The method of claim 23 wherein production of light olefins is increased relative to the amount of light olefins produced in the absence of the mesostructured zeolite.
27. The method of claim 23 wherein the hybrid one-phase mesostructured zeolitic material has a zeolitic structure of a faujasite (FAU), mordenite (MOR), or ZSM-5 (MFI).
28. The method of claim 23 wherein the hybrid one-phase mesostructured zeolitic material has the hexagonal pore arrangement of MCM-41.
29. The method of claim 23 wherein the hybrid one-phase mesostructured zeolitic material is Y[MCM-41], MOR[MCM-41], or ZSM-5[MCM-41].
30. The method of claim 23 wherein the hybrid one-phase mesostructured zeolitic material has a mesoporous volume adsorption of at least about 0.1 cc/g.
31. The method of claim 23 wherein the hybrid one-phase mesostructured zeolitic material is a faujasite.
32. The method of claim 23 wherein the hybrid one-phase mesostructured zeolitic material has a mesoporous volume adsorption of at least about 0.05 cc/g.