Use of Thiourea and Thioacetamide for Separation and Recovery of Heavy Metals from Mineral Treatment Waste Waters.
Nelson-JH; Hendrix-JL; Milosavljevic-E
Proc Int'l Symp on Metal Speciation Separation & Recovery Chicago Illinois 1986 Jul; :22 pages
This report describes a study to test the effectiveness of using thiourea and thioacetamide to precipitate metals from wastewater and metallurgical process streams using two chloride leach washes and a sulfuric acid wash. Thiourea did not precipitate arsenic, whereas thioacetamide did precipitate it as a sulfide. It was found that most metals could be removed within the 96 to 99 pct range.
IH; Final Contract Report;
Proc. Int'l Symp. on Metal Speciation, Separation & Recovery, Chicago, Illinois, July 27-Aug. 1, 1986