《Table 1.Results of the flotation separation of chalcopy-rite–galena artificial mixed minerals》

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《Selective depression mechanism of ferric chromium lignin sulfonate for chalcopyrite–galena flotation separation》

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In mixed-mineral flotation，2 g of sample was used for each test，and the mass ratio of chalcopyrite and galena was1:1.The p H value was adjusted to 11.11.In the experiment，the dosages of FCLS，BX，and 2#oil were 100，1×10-4，and 10 mol·L-1，respectively.The results are shown in Table1.The chalcopyrite and galena recoveries could be calculated using the yield and grade data in Table 1 because chalcopyrite and galena are the only Cu-bearing and Pb-bearing minerals in this study.Table 1 shows that76.67%of the chalcopyrite was recovered and 85.33%of the galena was depressed.The flotation tests confirm the feasibility of using FCLS as a selective depressant in chalcopyrite–galena separation.