Temperature-Programmed Desorption of Ammonia on Zeolitic and Non-zeolitic Solid Acids

Presentation: OMC-V, Baoding, P. R. China (2000).

[Title and Contents]

Methods of Ammonia TPD

Principle

  • [Background]
  • [Experimental Outline]
  • [Example of TPD Profile]

    Water Vapor Treatment

  • [Principle]
  • [Application to Y Zeolite]

    Theoretical Analysis of Acid Strength

  • [Theoretical Equation]
  • [Availability]
  • [Summary: What we can do with This Theory]

    New Findings on Acidic Properties of Solids

    Aluminosilicate Zeolites

  • [Stoichiometric Generation of Acid Site]
  • [Rule on Acid Strength]

    [Zeolitic Metallosilicates]

    Modified Zirconias

    Water Vapor Treatment Method

  • [Problem of Conventional TPD]
  • [Effect of Water Vapor Treatment]
  • [Removal of Ammonia Adsorbed on Zirconia by Water]

    Determined Acidic Property

  • [Acid Density and Adsorption Heat of Ammonia]
  • [Calculation of H0 Function]
  • [Comparison of Acid Strength Among Various Solids]

    [Catalytic Activity]

    [Conclusion]

    [Acknowledgement]

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