【摘要】 利用NH3 TPD测定了 4种沸石分子筛的酸性 ,并考察了 4种分子筛在苯与 1-十二烯烷基化反应中的催化性能 ,揭示了沸石分子筛的酸性、孔结构对其催化活性和产物选择性的作用规律 ,发现沸石分子筛经水热处理和酸处理 ,调变了孔结构和酸性 ,进而提高其催化活性更多还原

【Abstract】 Acidity of different zeolite catalysts were characterized by temperature programmed desorption of ammonia (NH 3 TPD), and reaction of alkylation of benzene with 1 dodecene were investigated over these catalysts. It is found that the catalytic activity, selectivity in this reaction are influenced by both acidity and pore structure of these catalysts. And the dealuminated zeolites, which are prepared from zeolites by hydrothermal treating and acid treating, have higher catalytic activity.更多还原