Molecular sieve SSZ-47B having high micropore volume and synthesis thereof
AssigneeChevron U.S.A. Inc.
InventorsAllen W. Burton, Jr., Stacey I. Zones
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Abstract
The present invention relates to new crystalline molecular sieve SSZ-47B prepared using a N-cyclopentyl-1,4-diazabicyclo[2.2.2]octane cation as a structure-directing agent and an amine too large to fit in the pores of the molecular sieve nonasil, methods for synthesizing SSZ-47B and processes employing SSZ-47B in a catalyst.
Claims22
A molecular sieve having a composition, as synthesized and in the anhydrous state, in terms of mole ratios as follows:
- YO2/WcOd
- >15
- M2/n/YO2
- 0.01–0.03
- Q/YO2
- 0.02–0.05
- Amine/YO2
- 0.01–0.05
- wherein Y is silicon, germanium or a mixture thereof;
- W is aluminum, gallium, iron, boron, titanium, indium, vanadium or mixtures thereof, c is 1 or 2;
- d is 2 when c is 1 or d is 3 or 5 when c is 2;
- M is an alkali metal cation, alkaline earth metal cation or mixtures thereof;
- n is the valence of M;
- Q is a N-cyclopentyl-1,4-diazabicyclo[2.2.2]octane cation and Amine is an amine too large to fit in the pores of nonasil.
A method of preparing a crystalline material having, after calcination, the X-ray diffraction lines of Table II comprising (1) an oxide of a first tetravalent element and (2) an oxide of a trivalent element, pentavalent element, second tetravalent element which is different from said first tetravalent element or mixture thereof and having a mole ratio of the first oxide to the second oxide greater than 15, said method comprising contacting under crystallization conditions sources of said oxides, an N-cyclopentyl-1,4-diazabicyclo[2.2.2]octane cation and an amine too large to fit in the pores of the molecular sieve nonasil.
Dependencies are inferred from the claim text.