主权项 |
1. A crystalline molecular sieve having ESV framework topology and having a SiO2/Al2O3 mole ratio of from 5 to 12, wherein the molecular sieve has, in its calcined form, an X-ray diffraction pattern substantially as shown in the following table:2-Thetad-Spacing, nmRelative Intensity 7.60 ± 0.201.162W 8.01 ± 0.201.103M 9.74 ± 0.200.908M12.02 ± 0.200.736M13.44 ± 0.200.658VS13.70 ± 0.200.646VS14.11 ± 0.200.627VS14.56 ± 0.200.608W15.30 ± 0.200.579W15.87 ± 0.200.558W16.20 ± 0.200.547W17.16 ± 0.200.516W17.96 ± 0.200.493W18.38 ± 0.200.482W19.12 ± 0.200.464VS19.31 ± 0.200.459VS19.70 ± 0.200.450S20.39 ± 0.200.435W20.89 ± 0.200.425W21.16 ± 0.200.419M21.34 ± 0.200.416M. |