引用本文:
Cheng Hua XU, Shao Jie LU, Gui Ying DENG, Fa Li QIU. The Effect of Al3+, Na+, NH4+ on Ti Content in the Preparation of Ti-ZSM-5[J]. Chinese Chemical Letters,
1999, 10(8): 713-716.
Citation: Cheng Hua XU, Shao Jie LU, Gui Ying DENG, Fa Li QIU. The Effect of Al3+, Na+, NH4+ on Ti Content in the Preparation of Ti-ZSM-5[J]. Chinese Chemical Letters, 1999, 10(8): 713-716.
Citation: Cheng Hua XU, Shao Jie LU, Gui Ying DENG, Fa Li QIU. The Effect of Al3+, Na+, NH4+ on Ti Content in the Preparation of Ti-ZSM-5[J]. Chinese Chemical Letters, 1999, 10(8): 713-716.
The Effect of Al3+, Na+, NH4+ on Ti Content in the Preparation of Ti-ZSM-5
摘要:
Thc effeet of Al2+. NH4, Na+ on the Ti content in the pmparation of Ti-ZSM-5 by the isomorphous substitution of ZSM-5 using gaseous TiCl4 as titanium resource has heen im estigatcd It is surprisingly found that although the direef ratio exists heween the Ti conmnt and the content of the skeletal Al:y=(0.08x2+0.57x+1.23 (hereyrepresents TiO2% and xreprcwnts Al2O3%). but the catalytic activities of Ti-ZSM-5 for the oxidation of styrene sharply rise with the decrease of TiO2%. The skeletal Al hinders the Ti incorporation into the framework of molmular sim, characterised by FT-IR chniyuc. At the same time. NH4+ ion has no etlcct on the Ti incorporation. but Na ion does.
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关键词:
- Ti-ZSM-5
- / Ti content
- / styrene
- / catalytic oxidation
English
The Effect of Al3+, Na+, NH4+ on Ti Content in the Preparation of Ti-ZSM-5
Abstract:
Thc effeet of Al2+. NH4, Na+ on the Ti content in the pmparation of Ti-ZSM-5 by the isomorphous substitution of ZSM-5 using gaseous TiCl4 as titanium resource has heen im estigatcd It is surprisingly found that although the direef ratio exists heween the Ti conmnt and the content of the skeletal Al:y=(0.08x2+0.57x+1.23 (hereyrepresents TiO2% and xreprcwnts Al2O3%). but the catalytic activities of Ti-ZSM-5 for the oxidation of styrene sharply rise with the decrease of TiO2%. The skeletal Al hinders the Ti incorporation into the framework of molmular sim, characterised by FT-IR chniyuc. At the same time. NH4+ ion has no etlcct on the Ti incorporation. but Na ion does.
-
Key words:
- Ti-ZSM-5
- / Ti content
- / styrene
- / catalytic oxidation
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