By heating,melting and pouring method,the zinc in waste batteries was prepared into silver white chessmen,and the surface was plated with copper by surface treatment technology to prepare golden chess pieces.In the experiment,it is found that the casting method is more convenient than Muffle furnace method in the preparation of the zinc chessmen,and the electrocoppering is superior to the electroless copper plating method in the surface treatment technology.The method improves the additional value of zinc recovery,which is of...