| Al2O3对Zn/HZSM-5芳构化催化剂的影响 |
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| 引用本文： | 林洁,尹双凤,于中伟. Al2O3对Zn/HZSM-5芳构化催化剂的影响[J]. 石油学报(石油加工), 2000, 16(5): 36-40 |
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| 作者姓名： | 林洁 尹双凤 于中伟 |
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| 作者单位： | 石油化工科学研究院,北京,100083 |
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| 摘 要： | 研究了Ａｌ２Ｏ３的加入对Ｚｎ改性ＨＺＳＭ－５催化剂性能的影响，应用分析电镜（ＴＥＭ－ＥＤＳ）对催化剂进行了微区元素组成分析，比较了Ａｌ２Ｏ３、Ｚｎ／Ａｌ２Ｏ３、ＨＺＭ－５以及Ｚｎ／Ａｌ２Ｏ３＋ＨＺＳＭ－５机混催化剂的芳构化性能和Ｚｎ分布，并初步探讨了影响Ｚｎ组元分布的因素，结果表明，加入Ａｌ２Ｏ３的Ｚｎ改性ＨＺＳＭ－５催化剂在经过高温焙烧或水热处理后，原来处于分子筛上的Ｚｎ组元部分迁移至Ａｌ２Ｏ３
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| 关 键 词： | HZSM－5 分子筛 芳构化 催化剂 氧化器 芳香烃 锌 |
THE EFFECT OF Al2O3 ON THE AROMATIZATION BEHAVIOUR OF Zn/HZSM-5 CATALYST |
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| LIN Jie,YIN Shuang-feng,YU Zhong-wei. THE EFFECT OF Al2O3 ON THE AROMATIZATION BEHAVIOUR OF Zn/HZSM-5 CATALYST[J]. Acta Petrolei Sinica (Petroleum Processing Section), 2000, 16(5): 36-40 |
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| Authors: | LIN Jie YIN Shuang-feng YU Zhong-wei |
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| Abstract: | The effect of Al 2O 3 on properties of Zn/HZSM 5 was studied The results indicate that Zn/HZSM 5 Al 2O 3 has lower aromatization activity and better stability than Zn/HZSM 5 with the same zinc content, which is attributed to the zinc on HZSM 5 migrated to Al 2O 3 It is also shown that Zn/Al 2O 3 has very weak aromatization activity and little effect on the catalytic properties of HZSM 5 It is only the zinc component on HZSM 5 zeolite that can modify the catalytic performance of HZSM 5 Factors which affect zinc migration have been discussed |
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| Keywords: | Zn/HZSM 5 zeolite Al 2O 3 aromatization catalyst |
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