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Production of Crude Ammonia-Synthesis Gas from North Dakota Lignite in an Annular-Retort Gasifier (open access)

Production of Crude Ammonia-Synthesis Gas from North Dakota Lignite in an Annular-Retort Gasifier

Report issued by the Bureau of Mines on the production of ammonia-synthesis gas in an annular-retort gasifier. The methods and results of the ammonia-synthesis gas production are discussed. This report includes tables, photographs, and illustrations.
Date: January 1957
Creator: Oppelt, W. H.; Kamps, T. W.; Gronhovd, C. H.; Kube, W. R. & McMurtrie, R.
System: The UNT Digital Library
Thermal Pretreatment and Pelletizing of North Dakota Lignite (open access)

Thermal Pretreatment and Pelletizing of North Dakota Lignite

Report issued by the Bureau of Mines investigations of "converting small particle lignite to a stable, storable fuel of relatively high heating value" (p. 1). The equipment and methods used for the study are presented. This report includes tables, maps, illustrations, and photographs.
Date: January 1958
Creator: Oppelt, W. H.; Cooney, J. P.; Golob, E. F. & Kube, W. R.
System: The UNT Digital Library
Condition Survey: Grand Forks Air Force Base, North Dakota (open access)

Condition Survey: Grand Forks Air Force Base, North Dakota

"The purpose of this report is to present the results of a condition survey performed at Grand Forks Air Force Base (GFAFB), North Dakota, during 18-22 April 1972. The three major areas of interest considered in this condition survey were the structural condition of the primary airfield pavements, the condition of pavement repairs and the types of maintenance materials that have been used at this airfield, and any detrimental effects of frost action to the pavement facilities" (p. 1).
Date: June 1973
Creator: Vedros, Philip J. & Thornton, Henry T., Jr.
System: The UNT Digital Library