1. With time and patience the mulberry leaf becomes a silk gown. Chinese Proverb Lecture 5 Catalyst Materials, Properties and Preparation

2. Outline

4. Heterogeneous Catalyst Pt supported on alumina (a)

5. TEM of platinum supported on alumina

6. Components of a Typical Heterogeneous Catalyst

7. Examples of typical Heterogeneous Catalyst

10. Automotive Catalytic Converter

13. Components of a Typical Heterogeneous Catalyst

15. Active Catalytic Phases and Reactions They Typically Catalyze

16. Typical Physical Properties of Common Carrier (Supports)

20. Zeolites, the Crown Jewels of Catalysis Para-xylene in Zeolite Theta-1

24. Formation of three common zeolites from primary SiO 4 and AlO 4 tetrahedral units

25. Compositions and Limiting Pore Diameters for Common Zeolites

26. Mordenite

27. Molecular Sieves: Shape Selectivity

28. Major Commercial Catalytic Processes Using Zeolites [Vaughan, 1988].

29. Catalyst Design

30. Porosity versus Strength

31. Physical and Mechanical Properties: Definitions and Specifications

32. Distribution of solid, pore and void volumes in a typical catalyst particle

33. Pore Size Breakdown

34. Chemical Properties: Definitions and Specifications

35. Catalyst Acidity

36. Qualitative Ranking of Aqueous and Solid Acids (Listed in decreasing order of acid strength).

37. Dynamic (Catalytic) Properties of Catalysts: Definitions and Specifications.

38. Catalyst Preparation and Forming: General Scheme