Research On The New Technology Of The Flotation Of Pb-Sb-Zn Ore With The High Content Of Carbon

Jamesonite is an important Sb of ore. Jamesonite content Sb Pb Ag Zn Bi etc. They are a lot of scarce element sulfide minerals in GuangXi China. The character of ore is a lot of kinds, low grade, with high content of carbon in here. The paper studied that the effect of collectors and frother and depressant on Jamesonite with content carbon to examination of pure mineral and ore of jamesonite. They were counted the value of quantum chemistry and synergistic effect of combination of reagent. Mechanism of combination of reagent was researched.The conclusions of studying have important direct meaning and academic value about research on flotation of sulfide mineral.The paper studied that the effect of collectors on Jamesonite with high content carbon. Jamesonite with content carbon have a low recovery rate using alone and normal collector .but combination of normal collector can improve recovery and grade of Jamesonite concentrate. According to theory of synergistic effect of combination of reagent, value of synergistic effect of combination of reagent is bigger and the effect of combination of reagent is more distinctness. The values of different combination of collector were calculated.The order of synergistic effect of three kind of combination of reagent was:Xanthate+Aerofloat>Aerofloat+ Ethyl Thio Carbamate>Xanthate+ Ethyl Thio Carbamate. Combinated of Xanthate and Aerofloat was better.The value of synergistic effect is 22.08% to Pb and 8.68% to Sb.The examination of ore of Jamesonite with content carbon was conducted on the basis examination of pure ore.The result of examination indicate:the frother with function of collector SNC can decrease adsorption in the surface of ore .The SNC can eliminate effect of carbon.The indexes of flotation were easy rose.The combined use of reagent of Xanthate +Aerofloat can rise 14.2% to Pb and rise 8.1% to Sb on Jamesonite concentrate. combination of depressants D3 can decrease Pb-Sb with content of Zn. On the basis the result of examination of pure ore and rough ore.The flowsheet of flotation was applied in industry.The results indicate Pb of recovery rose 5% and Grade rose 8% on Jamesonite concentrate.Mechanism of combination of reagent was researched from angle of quantum chemistry and synergistic effect of combination of reagent.The results indicate: The value of static electricity is difference in polar group and they have difference orbital energies then agent have difference ability about adsorption and collection to ionic of ore.The electronic energy is lower and ability of collection is stronger. The result of synergistic effect of combination of reagent were counted indicate:the value of synergistic effect of combination of reagent is bigger and the effect of combination of reagent is more distinctness.The recovery rate and grade were rose digger on Jamesonite concentrate.