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Optimizing the crystallinity and acidity of H-SAPO-34 by flu

发布时间:2021-04-27 22:38
  A series of H-SAPO-34 zeolites were synthesized by a hydrothermal method in fluoride media.The as-synthesized H-SAPO-34 zeolites were characterized by X-ray diffraction(XRD),scanning electron microscopy(SEM),N2 physisorption,temperature-programmed desorption of NH3(NH3-TPD) and nuclear magnetic resonance(NMR) measurements.The results showed that a certain concentration of F- anions promoted the nucleation and crystallization of H-SAPO-34.The H-SAPO-34 synthesized... 

【文章来源】:Journal of Environmental Sciences. 2016,41(03)EISCICSCD

【文章页数】:8 页

【文章目录】:
Introduction
1. Experimental
    1.1. Catalyst preparation
    1.2. Catalyst characterization
    1.3. Catalyst activity test
2. Results and discussion
    2.1. Structural properties of H-SAPO-34 zeolites
    2.2. Structural properties and SCR activities of copper-impregnated SAPO-34 catalysts
3. Conclusions
Appendix A. Supplementary data



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