| 程序升温差热研究HZSM-5分子筛的氨脱附 |
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| 引用本文： | 张震球,曾昭槐,李玉光.程序升温差热研究HZSM-5分子筛的氨脱附[J].高等学校化学学报,1983,4(1):65. |
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| 作者姓名： | 张震球 曾昭槐 李玉光 |
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| 作者单位： | 中山大学化学系 |
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| 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:FI(θI)=53.0+39.7(1-θI)]千焦·摩尔-1,和EⅡ(θⅡ)=(128+8.0(1-θⅡ)]千焦·摩尔-1。
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| 收稿时间： | 1981-08-14 |
TEMPERATURE PROGRAMMED THERMAL ANALYSIS INVESTIGATION OF AMMONIA DESORPTION FROM ZEOLITE HZSM-5 |
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| Zhang Zhenqiu,Zeng Zhaohuai,Li Yuguang.TEMPERATURE PROGRAMMED THERMAL ANALYSIS INVESTIGATION OF AMMONIA DESORPTION FROM ZEOLITE HZSM-5[J].Chemical Research In Chinese Universities,1983,4(1):65. |
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| Authors: | Zhang Zhenqiu Zeng Zhaohuai Li Yuguang |
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| Institution: | Catalysis Laboratory of Department of Chemistry, Zhongshan University, Guangzhou |
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| 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(θⅠ) = 53.0 + 39.7 (I-θⅠ)]KJ.mol-1, and EⅡ(θⅡ) = 128+ 8.0(1 -θⅡ)]KJ.mol-1 respectively. |
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