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化学工业与工程 1996, Vol. 13 Issue (3) :1-5    DOI:
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KOH热交换制备的KZSM-5分子筛碱性的研究
陈忠明,陶克毅,张敏,李赫喧
南开大学化学系,北京大学技术物理系环境化学教研室
The Basicity of KZSM-5 Zeolite by KOH Thermo-exchange
Chen Zhongming; Tao Keyi;Zhang Min;Li Hexuan
摘要
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摘要 采用KOH溶液在加热条件下与NaZSM-5分子筛交换,获得了碱性相当强的KZSM-5。用红外光谱、X射线衍射、X射线光电子能谱和Hammett指示剂滴定等方法表征了KZSM-5的结构特征和碱性。以丙酮一步法合成异丙叉丙酮为探针反应研究了其催化活性并与分子筛碱性相关联。
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陈忠明
陶克毅
张敏
李赫喧
关键词KZSM-5分子筛   碱性   催化活性     
Abstract: By exchanging NaZSM-5 zeolite with KOH solution under heating,strongly basic KZSM-5 zeolites was obtained. The structure and basicity of KZSM-5 zeolites was studied by using IR, XRD, XPS and Hammett indicator non-aqueous titration..The catalytic property was studied on the reaction of onestep synthesis of mesityloxide from aldol condensation of acetone. The catalytic activity could be well related with the basicity of catlysts.
Keywordss: zeolite KZSM-5; basicity; catalytic activity     
Received 1996-07-15;
引用本文:   
陈忠明,陶克毅,张敏,李赫喧.KOH热交换制备的KZSM-5分子筛碱性的研究[J].  化学工业与工程, 1996,13(3): 1-5
Chen Zhongming; Tao Keyi;Zhang Min;Li Hexuan .The Basicity of KZSM-5 Zeolite by KOH Thermo-exchange[J].  Chemcial Industry and Engineering, 1996,13(3): 1-5
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