Return to DOE Report Table of Contents

Return to Simultaneous Removal Table of Contents

Catalytic Ammonia Decomposition for Coal-Derived Fuel Gases Topical Report - 1997

Gangwal, S. K.
Gupta, R.
Portzer, J .W.
Turk, B. S.

Research Triangle Institute

Table of Contents

Section 1
695kb

Abstract

iii
List of Figures vii
List of Tables viii
Acknowledgements ix
Executive Summary xi
1 Introduction 1
  1.1 Background 1
1.2 Objectives 2
1.3 Scope/Approach of Current Work 2
2 Thermodynamic Evaluation 5
Section 2
582kb
3 Simultaneous NH3 and H2S Removal Tests 7
  3.1 Summary of Results 7
3.2 High-Pressure Tests at RTI 8
  3.2.1 HTHP Test Facility 8
3.2.2 Shakedown Test in a Blank Reactor 11
3.2.3 Testing with Plain Zinc Titanate 12
3.2.4 Testing with Co-Mo Catalyst Mixed with Zinc Titanate 12
Section 3
687kb
4 High-Temperature Catalytic Decomposition 17
  4.1 Catalysts Selected for Testing 17
4.2 Screening Tests 17
  4.2.1 Atmospheric-Pressure Tests 17
Section 4
358kb
4.2.2 High Pressure Tests 20
  4.2.2.1 Test Results for HTSR-1 Catalyst 21
4.2.2.2 Effect on H2S on the Performance of HTSR-1 Catalyst 22
4.2.2.3 Test Results for C100N Catalyst 22
4.3 Extended Testing with Simulated Gas 23
4.4 Field Test with Actual Coal Gasifier Gas 23
  4.4.1 Summary 23
4.4.2 Equipment Description 24
4.4.3 Test Conditions and Sampling Procedures 25
4.4.4 Results 26
4.4.5 Conclusions 28
5 Conclusions and Recommendations 29
6 References 31