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CO2 Selective Ceramic Membrane for Water-Gas Shift Reaction with Concomitant Recovery of CO2
Quarterly Report for the Period April - June 2002

Liu, Paul K.T.

Media and Process Technology, Inc.

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Table of Contents

Abstract

2

1

Preparation of Hydrotalcite (HT) Crystals 3
 

1.1

HT Formation via Precipitation 3

1.2

HT Formation via Co-Precipitation 3

2

Preparation of Hydrotalcite Membrane via Interphase Contact 5
 

2.1

Membranes impregnated with Na2CO3/NaOH 5

2.2

Membranes Impregnated with Na2CO3 5

3

Alternative Membrane Synthesis Methods 6
 

3.1

In-Site Formation of Hydrotalcite Membranes 6

3.2

Use of Ammonia Salts 6

3.3

Sol-Gel Approach 6

4

Reduction of Unreacted Al and Mg 7
References 7