Application of zeolite catalyst in cumene process makes it possible to achieve better quality without pollution.

而在合成异丙苯阶段使用沸石分子筛为催化剂,具有收率高、产品质量好、操作费用低、无腐蚀等优点.

In this paper the deactivation of Y-type zeolite catalyst has been studied in theoretical and experimental aspects.

对苯烷基化过程中Y型分子筛催化剂的失活进行了多方面的实验研究。

The deactivation of zeolite catalyst QZ - 2000 was researched in phenol installation of Jilin Petrochemical Company.

对吉林石化公司双苯厂苯酚丙酮装置异丙苯单元中使用的QZ-2000分子筛催化剂的失活问题进行了研究.

To effectively enhance the contraposition selectivity of chlorinating reaction the p-chlorotoluene was prepared by direct chlorination of toluene and chlorine gas in the presence of zeolite catalyst.

为了有效提高甲苯氯化反应的对位选择性，研究了在分子筛催化作用下甲苯与氯气直接氯化制取对氯甲苯。