| 摘要 |
Preparation of a catalyst containing a modified zeolite that exhibits a maximum opening diameter of pores =7A[deg] before being modified, comprises introduction of a metal i.e. from metals of the groups VIB and VIII of the periodic classification of elements, on a support containing protonated zeolite, treatment of the zeolite in the presence of a molecular compound containing silicon and exhibiting a diameter higher than the maximum opening diameter of the zeolite pores and heat treatment. |
