Application of Alkaline Solutions in Leaching of Stibnite
Page: 987
Department of Chemistry, Faculty of Metallurgy, Technical University, Košice, Slovakia
Laboratory leaching tests of natural stibnite (containing Sb2S3, SiO2, ZnS and FeS2) with NaOH or NaOH – Na2S solution were carried out. Antimony recovery in NaOH leaching was lower than that with Na2S – NaOH solutions (1:1). A decrease in particle size led to higher antimony recovery.