Browsing Alabama Agricultural Experiment Station (AAES) Reports by Title
Now showing items 2335-2354 of 2433
The object of this investigation was to find a general and profitable method for the purification and concentration of low grade Alabama manganese ores, which had little, if any, value in their present form. The various ...
In this work the newer methods for concentrating and utilizing low grade and waste coals, lignite and peat are discussed. Many of these methods were reported at the International Conferences on Bituminous Coal held at ...