Search
Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
11 results returnedSearch results
- Removing quartz and other impurities from refractory clays by mineral dressing methods
- Methods for producing alumina from clay :an evaluation of five hydrochloric acid processes
- Beneficiation of refractory clay
- Behavior of clays associated with low-rank coals in coal- cleaning processes
- The hydrocyclone in clay beneficiation
- Methods for producing alumina from clay :an evaluation of three sulfuric acid processes
- Lightweight aggregates :expansion properties of selected Iowa shales, and loess
- Expanded clay and shale lightweight aggregate industry in the south-central United States
- Methods for producing alumina from clay :an evaluation of two ammonium alum processes
- Methods for producing alumina from clay :an evaluation of a lime-soda sinter process
- Investigation of operating variables in the attrition grinding process