Patent ID: 6752980
Filing Date: 2004-06-22
Classification: B01J,C01B,C10G

Abstract:
A microporous crystalline zeolite having a composition in the as-synthesized and anhydrous form in terms of mole ratios of the elements of: Mmn+&it;â€ƒ&it;Rrp+&it;â€ƒ&it;Al(1-x)&it;Ex&it;â€ƒ&it;Siy&it;â€ƒ&it;Ozwhere M is at least one exchangeable cation selected from the group consisting of alkali and alkaline earth metals, â€œmâ€  is the mole ratio of M to (Al+E) and varies from 0 to about 0.75, R is benzyltrimethylammonium (BzTMA) or a combination of BzTMA and at least one organoammonium cation selected from the group consisting of quaternary ammonium cations, protonated amines, protonated diamines, protonated alkanolamines, diquaternaryammonium cations, quaternized alkanolamines and mixtures thereof, â€œrâ€  is the mole ratio of R to (Al+E) and has a value of about 0.25 to about 5.0, E is an element selected from the group consisting of Ga, Fe, In, Cr, B, and mixtures thereof, â€œxâ€  is the mole fraction of E and varies from 0 to about 1.0, â€œnâ€  is the weighted average valence of M and has a value of about +1 to about +2, â€œpâ€  is the weighted average valence of R and has a value of +1 to about +2, â€œyâ€  is the mole ratio of Si to (Al+E) and varies from greater than about 3 to about 25 and â€œzâ€  is the mole ratio of O to (Al+E) and has a value determined by the equation:z=(mÂ·n+rÂ·p+3+4Â·y)/2; the zeolite characterized in that it has an x-ray diffraction pattern having at least the d-spacings and relative intensities set forth in Table A:TABLE A2-&thgr;d (Ã¥)I/I0 %3.86-4.2222.87-20.92w-m7.60-7.8411.62-11.27s-vs11.58-11.867.64-7.46w-m13.29-13.546.65-6.53m13.90-14.206.36-6.23w15.34-15.685.77-5.65m19.30-19.654.60-4.51m20.37-20.734.35-4.28m-s23.18-23.543.83-3.78m-s23.57-23.893.77-3.72s-vs24.68-25.033.60-3.55m-s26.84-27.233.32-3.27m28.15-28.583.17-3.12m31.25-31.712.86-2.82vs33.37-33.762.68-2.65w35.89-36.362.50-2.47m48.05-48.521.89-1.87w-m51.38-51.901.78-1.76w-m55.35-56.041.66-1.64w-m58.08-58.641.59-1.57w.