A CRYSTALLINE SILICATE AND METHOD OF ITS SYNTHESIS

摘要

A synthetic porous crystalline zeolite having a distinctive X-ray diffraction pattern and designated as ZSM-58 has a composition in the as-synthesized form, on an anhydrous basis and in terms of moles of oxides per 100 moles of silica, expressed by the formula: (0.1-2.0)R2O:(0.02-1.0)M2/nO:(0.1-2)Al2O3:(100)SiO2 wherein M is an alkali or alkaline earth metal, n is the valence of M, and R is the methyltropinium cation of the formula (I). ZSM-58 is useful as a catalyst for aromatic and oxygenate conversion process.