Search
Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
21 results returnedSearch results
- A study of the Marshall-Bird test for determining the agglutinating value of coal
- The effect of certain operating variables on the efficiency of the coal-washing table
- Comparison of methods for determining friability of coal
- Flotation processes for cleaning fine coal
- Burning of various coals continuously and intermittently on a domestic overfeed stoker
- Ball-mill grindability indexes of some American coals
- Physical and chemical properties of cokes made or used in Washington
- Flocculation as an aid in the clarification of coal washery water
- Combustibility of coke in air
- Burning bituminous and subbituminous coals on an anthracite, ash-removal-type, domestic stoker
- Preparation tests of lignite from a deposit near Toledo, Lewis County, Wash.
- Washability characteristics and washing of coals from the Matanuska field of Alaska
- Froth-flotation practice in coal-preparation plants of Western Europe and Great Britain
- Cleaning characteristics and cleaning tests of Montana coal
- Recovery of coal from washery refuse :some examples of the effect of continuous mining machines on preparation problems
- The role of viscosity in dense-medium coal cleaning
- Laboratory cleaning trials on a Pennsylvania anthracite in a baum-type jig and a dense-medium pilot plant
- Cleaning trials on subbituminous coal containing bentonitic clay from Lewis and Thurston Counties, Wash.
- Washability examinations of coals from the Rocky Mountain and Pacific coast states
- Performance of dense-medium cyclone in cleaning fine coal
- Evaluation of washery performance