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Development of Ceramic Membrane Reactors for High Temperature Gas Cleanup.
Final Report June 1993

Roberts, Daryl Abraham, L. I. C.
Blum, Y. D. E. Gottschhilch, A.
Hirschon, J. Way, Douglas
Collins, John  

SRI International

In this pdf format, this document has 109 pages and is 4.88 MB.

Table of Contents

Summary

ii

Nomenclature

1

Introduction

3

Review of Previous Work

4

Membranes

4

Catalytic Decomposition of Hydrogen Sulfide

7

Catalytic Decomposition of Ammonia

11

Membrane Reactors

13

Catalyst Development

15

Catalyst Preparation

15

Catalyst Performance

16

 

H2S Decomposition

16

NH3 Decomposition

22

Membrane Development

32

Palladium Films on Alumina Ultrafilters

32

 

Preparation of Palladium Films by Electroless Plating

34

Bath/Solution Preparation

34

 

Sensitizing Bath Preparation

35

Activation Bath Preparation

35

Plating Bath Preparation

36

Membrane Pretreatment

36

Membrane Activation

38

Membrane Plating 

38

Palladium Membrane Results

39

Polysilazanes on Alumina Substrates

42

 

Norton Alumina Monolith

48

DuPont PRD 86

48

Refractron Microfilter

50

Vycor Glass

52

Leachable Alumina Glaze on Alumina Microfilters

52

Miscellaneous Membrane Formulations

56

Membrane Reactor Experiments

58

Membrane Reactor Modeling

61

Technical and Economic Evaluation of Membrane Reactors in an IGCC Environment

65

Membrane Reactor System Parameters

72

H2S Decomposition

73

NH3 Decomposition

75

Conclusions

88

References

89