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Development of a Stable Cobalt-Ruthenium Fisher-Tropsch Catalyst - 1995

Frame, Robert R.
Gala, Hemant B.

UOP

Table of Contents

Section 1
574kb

Abstract

i

Acknowledgement

iii

1.

Objectives

1

2.

Introduction

3
 

2.1

Fischer-Tropsch Background

3

2.2

Comparison of Iron and Cobalt Fischer-Tropsch Catalysts

5

2.3

Calculations

6

2.4

Reaction Mechanism

6

2.5

Carbon Number Selectivity

10

2.6

Other Fischer-Tropsch Selectivities

13

2.7

Cobalt Catalyst Description

13

2.8

Reactors

16

Section 2
614kb

3.

Experimental Summary

22
 

3.1

Introduction

22

3.2

Reverse Micelle Catalysts

23

3.3

Y-Zeolite Supported Catalysts

23

4.

Development of Reverse Micelle Catalysts

25
 

4.1

Background

25

4.2

Catalyst Preparations

26

4.3

Catalyst Supports

27

4.4

Catalyst Performance

27
 

4.4.1

Reference Catalyst Performance

27

4.4.2

Performance of Catalysts Supported on Magnesium Oxide

28

4.4.3

Performance of Catalysts Supported on Carbon

30

4.4.4

Performance of Catalysts Supported on Alumina-Titania

31

4.5

Stem Analysis

31

5.

Development of High Activity Y-Zeolite Supported Catalyst

34
 

5.1

Background

34

5.2

Preparation and Evaluation of Catalysts

36
 

5.2.1

Aqueous Impregnations, Steamed buy not Acid-washed Y-Zeolite Support

36

5.2.2

Aqueous and Reverse Micelle Impregnated Catalysts, Steamed and Acid-washed Y-Zeolite Support

37

5.2.3

Ethylene Glycol Impregnations, Steamed and Acid-washed Y-Zeolite Support

39

5.2.4

Bound Catalyst: Fixed-bed and Slurry Autoclave Evaluations

41

5.2.5

Effect of Changing the Catalyst Reduction Temperature

44

Section 3
375kb

5.2.6

Stem Analysis: High Cobalt Catalyst Precursor

46

5.2.7

Very High Cobalt Catalysts 

47

5.2.8

Additional Very High Cobalt Catalysts

48

5.2.9

Stem Analysis of a Reduced Very High Cobalt Catalyst

52

6.

Conclusions

53

7.

Future Directions

55

References

57

Appendix 54kb

220

Figures