能源化学(英文版)

能源化学(英文) ›› 2004, Vol. 13 ›› Issue (4): 231-237.

• Communications • 上一篇    下一篇

Synthesis and Characterization of Magnesium Substituted Aluminophosphate Molecular Sieves with AEL Structure

Benjing Xu, Ling Qian, Xinmei Liu, Chunmin Song, Zifeng Yan   

  1. State Key Laboratory of Heavy Oil Processing, CNPC Key Laboratory of Catalysis,
  • 出版日期:2004-12-30 发布日期:2004-12-30

Synthesis and Characterization of Magnesium Substituted Aluminophosphate Molecular Sieves with AEL Structure

Benjing Xu, Ling Qian, Xinmei Liu, Chunmin Song, Zifeng Yan   

  • Online:2004-12-30 Published:2004-12-30

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摘要： MAPO-11 molecular sieves were synthesized by hydrothermal methods. The in uence of precursor of magnesium, Mg/Al ratio, synthesis temperature, synthesis time and the type of template on the formation and properties of MAPO-11 molecular sieves was examined. The samples were characterized by the techniques of X-ray diffraction (XRD), scanning electron microscopy (SEM), thermogravimetric/ differential thermogravimetric analysis (TG-DGA), etc. The results show that the shape and size of crystal were influenced by the precursor of Mg, the Mg/Al ratio and the type of template, and the TG-DGA analysis shows that MAPO-11 molecular sieves as-synthesized have poor thermal stability.

关键词: MAPO-11 molecular sieves, Mg/Al ratio, synthesis temperature, synthesis time

Abstract: MAPO-11 molecular sieves were synthesized by hydrothermal methods. The in uence of precursor of magnesium, Mg/Al ratio, synthesis temperature, synthesis time and the type of template on the formation and properties of MAPO-11 molecular sieves was examined. The samples were characterized by the techniques of X-ray diffraction (XRD), scanning electron microscopy (SEM), thermogravimetric/ differential thermogravimetric analysis (TG-DGA), etc. The results show that the shape and size of crystal were influenced by the precursor of Mg, the Mg/Al ratio and the type of template, and the TG-DGA analysis shows that MAPO-11 molecular sieves as-synthesized have poor thermal stability.

Key words: MAPO-11 molecular sieves, Mg/Al ratio, synthesis temperature, synthesis time