Ore Flotation Method Employing Phosphorodithio
An ore dressing method for recovering metal values by froth flotation and from their ores, in which flotation of the ore is conducted in the presence of a frothing agent mixture comprising a minor amount of a phosphorodithioic compound as a synergistic adjuvant and a frother which may be an aliphatic alcohol or ketone; a terpenic oil or alcohol or phenol; or a polyalkylene or polyoxyalkylene.