| 分子筛性质对Mo／HZSM－5催化剂上甲烷无氧脱氢芳构化反应的影响 |
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| 引用本文： | 苏玲玲,张贺,王祥生,庄建勤,徐奕德,包信和.分子筛性质对Mo／HZSM－5催化剂上甲烷无氧脱氢芳构化反应的影响[J].催化学报,2003,24(4):284-288. |
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| 作者姓名： | 苏玲玲 张贺 王祥生 庄建勤 徐奕德 包信和 |
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| 作者单位： | 1. 中国科学院大连化学物理研究所催化基础国家重点实验室,辽宁大连,116023
2. 大连理工大学化工学院,辽宁大连,116012 |
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| 摘 要： | 通过改变合成条件与合成体系，考察了不同硅源合成的HZSM－5分子筛对Mo／HZSM－5催化剂上甲烷无氧脱氢芳构化反应性能的影响．结果表明，用水玻璃合成的HZSM－5分子筛负载Mo后，其催化性能优于用硅溶胶合成的分子筛．1HMASNMR测定结果表明，前者的Br¨onsted酸
浓度较后者大．通过改变合成条件，减小HZSM－5分子筛的粒度，可以提高催化剂在甲烷无氧脱氢芳构化反应中的稳定性．
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| 关 键 词： | HZSM－5分子筛 钼 负载型催化剂 甲烷 脱氢芳构化 |
| 文章编号： | 0253-9837(2003)04-0284-05 |
| 收稿时间： | 2003-04-25 |
Effect of HZSM-5 Zeolite Properties on Dehydro-aromatization of Methane over Mo/HZSM-5 Catalyst |
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| SU Lingling ,ZHANG He ,WANG Xiangsheng ,ZHUANG Jianqin ,XU Yide ,BAO Xinhe.Effect of HZSM-5 Zeolite Properties on Dehydro-aromatization of Methane over Mo/HZSM-5 Catalyst[J].Chinese Journal of Catalysis,2003,24(4):284-288. |
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| Authors: | SU Lingling ZHANG He WANG Xiangsheng ZHUANG Jianqin XU Yide BAO Xinhe |
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| Institution: | SU Lingling 1,ZHANG He 2,WANG Xiangsheng 2,ZHUANG Jianqin 1,XU Yide 1*,BAO Xinhe 1 |
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| Abstract: | The effects of particle size of HZSM 5 zeolite and silicon sources for preparation of HZSM 5 on the reaction performance of methane dehydro aromatization over Mo/HZSM 5 catalyst were studied by changing the synthesis conditions and systems. The results showed that the catalytic performance of Mo/HZSM 5 catalyst in which the HZSM 5 was synthesized via soluble water glass was better than that of Mo/HZSM 5 catalyst in which the HZSM 5 was synthesized via silica sol. 1 H MAS NMR measurements revealed that the amount of Brnsted acid sites in the former is more than that in the latter. In addition, by using the HZSM 5 zeolite with smaller particle size, the corresponding Mo/HZSM 5 catalyst shows better catalytic stability. |
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| Keywords: | HZSM 5 zeolite molybdenum supported catalyst methane dehydro aromatization |
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