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Highly Selective H2 Separation Zeolite Membranes for Coal Gasification Membrane Reactor Applications.  Annual Technical Progress Report.  September 2004 September 2005.

Noble, Richard D.
Hong, Mei
Falconer, John L.

 University of Colorado

In this pdf format, this document has 21 pages and is 608.34 kb.

Table of Contents

Disclaimer

1

Abstract

3

Table of Contents

3

List of Figures

4

List of Tables

4

1.

Introduction

5

2.

Experimental Methods

6

2.1

Zeolite membrane synthesis

6

2.1.1

MFI membranes

6

2.1.2

CHA membranes

7

2.2

Silylation on zeolite membranes

8

2.3

Ion exchange on SAPO-34 membranes

8

2.4

Membrane Permeation

8

2.5

Membrane Separation

8

2.6

Powder adsorption and structure study

9

3.

Results and discussion

9

3.1

Silylation of MFI Membranes

9

3.1.1

Effect of isomorphous substitution

10

3.1.2

Effect of initial membrane quality

12

3.1.3

Effect of membrane acidity

15

3.1.4

Effect of silane precursor

15

3.1.5

Adsorption and crystal structure study

15

3.2

Silylation of CHA membranes

17

3.3

Ion-exchange of CHA membranes

18

4.

Conclusions

19

5.

Future Work

29