abstract |
A novel synthetic crystalline zeolite denominated zeolite "Phi" is prepared hydrothermally from aqueous gels in the [N(CH3)4]2O - Na2O - Al2O3 - SiO2 system. As synthesized, the zeolite exhibits large-pore adsorption characteristics, a characteristic X-ray powder diffraction pattern and a composition expressed in moles of oxides as: 0.95-1.05 Na20:0.02-0.05 {N(CH3)4}2O:Al2O3:4-7 SiO2:O-6 H2O. |