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- Development of a chloride volatilization process for manganese ores from Aroostook County, Maine :progress report
- Ammoniacal-ammonium carbonate leaching of manganiferous materials from the southern district, Aroostook County, Maine
- Alumina miniplant operations :calcination of kaolin in a direct-fired rotary kiln
- Alumina miniplant operations :overall mass balance for clay-HCl acid leaching
- Alumina miniplant operations--influence of reactor design on the attrition of calcined kaolin during HCl leaching
- Pressure leaching alumina from raw kaolinitic clay using hydrochloric acid