Synthetic porous crystalline MCM-49, its synthesis and use
AssigneeMobil Oil Corporation
InventorsJ. Michael Bennett, Clarence D. Chang, Stephen L. Lawton, Michael E. Leonowicz, Daria N. Lissy, Mae K. Rubin
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Abstract
This invention relates to a new synthetic porous crystalline material, a method for its preparation and use thereof in catalytic conversion of organic compounds. The new crystalline material exhibits a distinctive X-ray diffraction pattern.
Claims27
A synthetic porous crystalline material characterized by an X-ray diffraction pattern including values substantially as follows:
- ______________________________________ Interplanar d-Spacing (A) Relative Intensity ______________________________________ 13.15 .+-. 0.26 w-s (shoulder) 12.49 .+-. 0.24 vs 11.19 .+-. 0.22 m-s 6.43 .+-. 0.12 w 4.98 .+-. 0.10 w 4.98 .+-. 0.10 w 4.69 .+-. 0.09 w 3.44 .+-. 0.07 vs 3.24 .+-. 0.06 w ______________________________________
- and having a composition comprising the molar relationship
- X.sub.2 O.sub.3 :(n)YO.sub.2,
- wherein n is less than about 35, X is a trivalent element and Y is a tetravalent element.
A synthetic porous crystalline material having the X-ray diffraction pattern of FIG. 2.
A synthetic porous crystalline material having the X-ray diffraction pattern of FIG. 5.
A synthetic porous crystalline material having the X-ray diffraction pattern of FIG. 6.
A synthetic porous crystalline material having the X-ray diffraction pattern of FIG. 7.
A process for converting a feedstock comprising hydrocarbon compounds to conversion product which comprises contacting said feedstock at conversion conditions with a catalyst comprising an active form of synthetic porous crystalline material characterized by an X-ray diffraction pattern including values substantially as follows:
- ______________________________________ Interplanar d-Spacing (A) Relative Intensity ______________________________________ 13.15 .+-. 0.26 w-s (shoulder) 12.49 .+-. 0.24 vs 11.19 .+-. 0.22 m-s 6.43 .+-. 0.12 w 4.98 .+-. 0.10 w 4.98 .+-. 0.10 w 4.69 .+-. 0.09 w 3.44 .+-. 0.07 vs 3.24 .+-. 0.06 w ______________________________________
- and having a composition comprising the molar relationship
- X.sub.2 O.sub.3 :(n)YO.sub.2,
- wherein n is less than about 35, X is a trivalent element and Y is a tetravalent element.
Dependencies are inferred from the claim text.