Search U.S. government technical reports digitized or harvested by TRAIL.
Recovery of phosphates and metals from waste phosphate sludge by reduction-sinter processes
Recovery of phosphates and metals from phosphate sludge by solvent extraction
Phosphoric acid by direct sulfuric acid digestion of Florida land-pebble matrix
Continuous-circuit preparation of phosphoric acid from Florida phosphate matrix
Acidulation of Florida phosphate matrix in a single-tank reactor