| EFFECT OF SULFURIZATION ON THE PIIYSICAL ANDCATALYTIC PROPERTIES OF HZSM-5 ZEOLITES |
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| 引用本文： | WANG Lin-Sheng, XU Yi-De, TAO Long-Xiang(State Key Laboratory of Catalysis)(Dalian Institute of Chemical Physics,The Chinese Academy of Sciences Dalian, Liaoning 116023). EFFECT OF SULFURIZATION ON THE PIIYSICAL ANDCATALYTIC PROPERTIES OF HZSM-5 ZEOLITES[J]. 天然气化学杂志, 1997, 6(3): 247-251 |
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| 作者姓名： | WANG Lin-Sheng XU Yi-De TAO Long-Xiang(State Key Laboratory of Catalysis)(Dalian Institute of Chemical Physics The Chinese Academy of Sciences Dalian Liaoning 116023) |
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| 作者单位： | WANG Lin-Sheng; XU Yi-De; TAO Long-Xiang(State Key Laboratory of Catalysis)(Dalian Institute of Chemical Physics，The Chinese Academy of Sciences Dalian; Liaoning 116023) |
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| 摘 要： | IntroductionZSM-5zeoliteshavebeenwidelyemployedinthefieldofhydrocarbonconversion.UtiliZationofMo-containingandKorBamodifiedZSM-5zeolitestOactivatemethaneandtOpreparelightolefinsfromparaffinshavebeenreportedinourpreviouspapersll'2].However,littleattentionh…
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EFFECT OF SULFURIZATION ON THE PIIYSICAL AND CATALYTIC PROPERTIES OF HZSM-5 ZEOLITES |
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| Linsheng Wang,Yide Xu,Longxiang Tao. EFFECT OF SULFURIZATION ON THE PIIYSICAL AND CATALYTIC PROPERTIES OF HZSM-5 ZEOLITES[J]. Journal of Natural Gas Chemistry, 1997, 6(3): 247-251 |
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| Authors: | Linsheng Wang Yide Xu Longxiang Tao |
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| Affiliation: | Dalian Institute of Chemical Physics |
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| Abstract: | A modification methed for HZSM-5 using (NH4)2S solution and the effects of sulfurization on structure and catalytic properties of HZSM-5 zeolites are deported. The contraction in lattice parameters (a, b and c) and the cell volume (abc) have been measured by XRD after sulfurization of HZSM-5 zeolites. It was found that the contraction degrees in lattice parameters (a, b and c) and the cell volume (abc) are dependent on the S concentration in (NH4)S solution. About 0.73% of S concentration in (NH4)2S solution is the most effective for the sulfurization of HZSM-5. The effect of sulfurization on acidity strength distribution of HZSM-5 was determined by NH3-TPD and catalytic cracking reaction of hexcane. |
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| Keywords: | sulfur modification crystalline cell contract hexane cracking HZSM-5 zeolite |
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