Compacting process for producing a granular product
ES234896A1
Procedure, with their corresponding apparatus for the concentrations of minerals in floating processes through foam (Machine-translation by Google Translate, not legally binding)
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Methods of and means for handling flotation middlings in ore concentration process
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Processes for treating langbeinite ore to obtain useful products therefrom
GB763459A
Improvements in or relating to the separation of the potassium content from potassium ores
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Concentrating or separating of the values from soluble ores
GB731282A
Improvements in or relating to the separation of the potassium content from potassium ores