物理化学学报 >> 1990, Vol. 6 >> Issue (06): 706-709.doi: 10.3866/PKU.WHXB19900613

研究论文 上一篇    下一篇

载镍ZSM-5沸石中钠的作用

肖淑勇; 孟中岳   

  1. 南京师范大学化学系
  • 收稿日期:1989-04-21 修回日期:1990-05-24 发布日期:1990-12-15
  • 通讯作者: 肖淑勇

EFFECT OF SODIUM CONTENT ON THE ACTIVITY OF Ni-CONTAINING ZSM-5 ZEOLITES

Xiao Shu-Yong; Meng Zhong-Yue   

  1. Department of Chemistry; Nanjing Normal University
  • Received:1989-04-21 Revised:1990-05-24 Published:1990-12-15
  • Contact: Xiao Shu-Yong

摘要: 本文通过对一组不同Na含量NiZSM-5沸石的酸性、吸附性及催化活性的测试表明于载镍ZSM-5体系中添加碱金属钠离子, 不仅调节沸石的碱酸功能, 而且增加甲苯的吸附性, 提高甲苯的转化率, 表现出助催化效应。

Abstract: A series of NiZSM-5 zeolites with different sodium content have been prepared, and their acidity, adsorbability and catalytic activity for the conversion of toluene have been studied. The results show that the NiZSM-5 zeolite exchanged with Na~+ ions not only modulates the properties of acid-base of zeolite, but also results in the increase of adsorption of toluene molecule. The Na~+ ions as the adsorbed sites of toluene molecule promote both the metallic and acid-base functions for toluene conver-sion. The promoting effect of Na~+ ion was observed.