Abstract: Containing fine cassiterite,the magnetic separation tailings from Pb-Zn separation process in Bainiuchang mining area of Mengzi Mining and Metallurgy Co Ltd were used as the raw ore.With BY-9 as collector,P86 as bubble breaker after the sulphide minerals were removed by butyl xanthate,and,BY-5 and sodium carbonate as gangue depressants,rough concentrate with a grade of 8.56% and a recovery of 61.61% can be obtained after the first stage of tin flotation.After the second stage of flotation,a high-tin concentrate with grade and recovery of 53.58% and 81.35% respectively,and a tailings with grade and recovery of 1.84% and 18.65% respectively,were obtained.After these two flotation stages,the total recovery of high-tin concentrate was 50.12% and the recovery of tailings was 11.49%.
Publication Year: 2008
Publication Date: 2008-01-01
Language: en
Type: article
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