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Experiments in Fleissner drying of North Dakota lignite
Cost data for gasification of lignite in an externally heated retort
Production of Crude Ammonia-Synthesis Gas from North Dakota Lignite in an Annular-Retort Gasifier
Thermal Pretreatment and Pelletizing of North Dakota Lignite
Drying North Dakota lignite to 1,500 pounds pressure by the Fleissner process
Combustion of North Dakota lignite in domestic heaters
Design and initial operation of a slagging, fixed-bed, pressure gasification pilot plant
Oxidizing Pittsburgh-bed coal :effect of processing temperature and time