| 摘要 |
<p>The invention relates to a zeolitic catalyst intended to be used in hydrocarbon alkylation and to a process for preparing the same. According to the invention, the catalyst consists of a H-ZSM-5-type ammonium zeolitic structure and aluminium oxide modified with 0.1...2% metal salt ions or ionic associations, in a weight ratio of 1:1 in respect of the zeolitic structure. According to the invention, the process consists in the hydrothermal synthesis, in the presence of hexamethylenediamine, as structure-directing agent, conversion thereof in the ammonium form and then in the acid form, after which the resulting product mixed with alumina is extruded, is calcined, is treated with 1% metal salt solution using salts such as zinc, cesium, lantanide salts and is dried to result in a metal ions-modified zeolitic catalyst.</p> |
