摘要
对NaZSM-5沸石进行改性,在其表面引入铁、镁离子,并将之用作硝硫混酸对甲苯进行一段硝化反应的催化剂,结果可以明显提高产物中对硝基甲苯的生成比例。
NaZSM-5 zeolite was modified by introducing Fe and Mg ions to the surface and used as catalyst in the mononitration of toluene with mixed acid.As a result,p-MNT in the product has been increased considerably.
出处
《化学试剂》
CAS
CSCD
北大核心
1995年第3期137-138,154,共3页
Chemical Reagents
关键词
甲苯
硝化反应
分子筛
zeolite
toluene
nitration
isomer ratio