Search U.S. government technical reports digitized or harvested by TRAIL.
The effect of certain operating variables on the efficiency of the coal-washing table
Flotation processes for cleaning fine coal
Flocculation as an aid in the clarification of coal washery water
Washability characteristics and washing of coals from the Matanuska field of Alaska
Cleaning characteristics and cleaning tests of Montana coal
The role of viscosity in dense-medium coal cleaning
Washability examinations of coals from the Rocky Mountain and Pacific coast states