R.I. 5297
Production of Crude Ammonia-Synthesis Gas From North Dakota Lignite in an Anular-Retort Gasifier - 1957
W.
H. Oppelt
T. W. Kamps
C. H. Gronhovd
W. R. Kube
R. McMurtrie
| Page | ||||
| Section
1 905kb |
Summary and conclusions | 1 | ||
| Introduction | 2 | |||
| Acknowledgments | 3 | |||
| Design and operation of pilot plant | 3 | |||
| Description of small gasifier and gas-handling system | 3 | |||
| Design and construction of retort | 4 | |||
| Reaction tube | 4 | |||
| Electrical Heating system | 4 | |||
| Heating compartments and retort insulation | 7 | |||
| Charging unit | 12 | |||
| Residue-removal unit | 12 | |||
| Process steam and air | 12 | |||
| Instrumentation | 12 | |||
| Auxiliary equipment | 16 | |||
| Section
2 576kb |
Operation of retort | 16 | ||
| Operating procedure | 16 | |||
| Sampling | 17 | |||
| Lignite tested | 17 | |||
| Results of tests | 18 | |||
| Comparison of small and commercial-scale gasifiers | 18 | |||
| Relationship of gas production, rate of feeding, and heating-chamber temperature, small gasifier | 19 | |||
| Production of crude ammonia-synthesis gas | 22 | |||
| Composition of products | 23 | |||
| Typical heat balances | 24 | |||
| Typical material and elemental balances | 24 | |||
| Appendix | 26 | |||
| Bibliography | 29 | |||
1/ Supervisor, Utilization Section, Bureau of Mines, Region III, Grand Forks, N. Dak.
2/ Former supervisory chemical engineer, Bureau of Mines, Region III, Grand Forks, N. Dak.
3/ Mechanical engineer, Bureau of Mines, Region III, Grand Forks, N. Dak.
4/ Chemical engineer, Bureau of Mines, Region III, Grand Forks, N. Dak.
5/ Former superintendent, Lignite Experiment Station, Bureau of Mines, Region III, Grand Forks, N. Dak.