| abstract |
A process for synthetizing mordenites having a high catalytic activity, in which the Si0<sub>2 </sub>: Al<sub>2</sub>O<sub>3</sub> molar ratio ranges from 16 to 40, said process comprising the step of mixing an organic base with H<sub>2</sub>0 and with at least a Na compound, an Al compound, and a Si compound, wherein said base is a diethyl-piperidinium compound and wherein the crystallization temperature of mordenite and the SP factor are selected within area A B C D of figure 1, the crystallization time being longer than two days. |