Treating residues from the leaching of roasted zinc blende
Treatment of alumina-base catalysts
Treatment of aluminous materials
Treatment of aluminous materials
Treatment of carbonylation residues
Treatment of chromium ore residues to suppress pollution
Treatment of copper refinery anode slime
Treatment of fly ASH/APC residues including lead salt recovery
Treatment of gold bearing ore
Treatment of high nickel slimes
Treatment of industrial wastes
Treatment of lead sulphide bearing material
Treatment of lead sulphide bearing minerals
Treatment of material with hydrogen chloride
Treatment of mineral and alkali metal carbonate slurries
Treatment of ores or metallurgical by-products containing arseni
Treatment of organic waste
Treatment of oxidic materials
Treatment of phosphate ore used in preparing phosphate matrix sl
Treatment of pit waste containing chromated copper arsenate