... , oil refining and chemical processing industry ZSM-5 serial zeolites are mainly applied for catalytia cracking, catalytic dewaxing ... ,toluene disproportionation,FCCU.ZSM-5 serial zeolites are mainly applied for catalytia cracking, catalytic ... ether,and lower carbon hydrocarbon aromatization.ZSM-5 serial zeolites with the properties of good thermotolerance,acid ...