| In southeastern Hubei province,there are five types of metal mines,including iron,copper,tungsten-copper-molybdenum,gold and lead-zinc,which accumulate up to more than a hundred million cubic meters.According to spectrochemical analysis,assay of sanding lapping and light sand of samples,tailings is clastic deposits,made from raw ore crushed and ground by artificial controlled machinery.The main available components which can be recycled are as follows: TFe,Cu,Au,WO3 and S,as well as Pb,Zn and Ag in tailings... |