高等学校化学学报 ›› 1983, Vol. 4 ›› Issue (1): 65.

• 论文 • 上一篇    下一篇

程序升温差热研究HZSM-5分子筛的氨脱附

张震球, 曾昭槐, 李玉光   

  1. 中山大学化学系
  • 收稿日期:1981-08-14 出版日期:1983-02-24 发布日期:1983-02-24

TEMPERATURE PROGRAMMED THERMAL ANALYSIS INVESTIGATION OF AMMONIA DESORPTION FROM ZEOLITE HZSM-5

Zhang Zhenqiu, Zeng Zhaohuai, Li Yuguang   

  1. Catalysis Laboratory of Department of Chemistry, Zhongshan University, Guangzhou
  • Received:1981-08-14 Online:1983-02-24 Published:1983-02-24

摘要: 在不同的程序升温速率下,用差热分析获得一组由HZSM-5分子筛的氨脱附曲线。通过数学处理,求得HZSM-5对氨吸附的两类活性点。它们的能量分布分别为:FII)=[53.0+39.7(1-θI)]千焦·摩尔-1,和E)=(128+8.0(1-θ)]千焦·摩尔-1

Abstract: Agroup of ammonia desorption curves from the HZSM-5 zeolite have been obtained by thermal analysis at different temperature-programmed rates. Through mathematical treatment, it has been found that there are two kinds of active sites for ammonia adsorption,whose energy distributions are Er(θ) = [53.0 + 39.7 (I-θ)]KJ.mol-1, and E) = [128+ 8.0(1 -θ)]KJ.mol-1 respectively.

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