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ball mill to extract pb from scrap circuit board. 110 · Recovery of valuable metals from waste printed circuit Feb 07, · The ball mill was employed to obtain fine particles Separation and recovery of materials from scrap printed ,Printed circuit boards are widely used in many strategic fields, such as the aerospace, automotive, and information communication industries (Quan et al. 2013;Liu et al. ;Boissin et al. ).grinding mill to extract pb from scrap circuit board,board parts, various mineral processing techniques such as shredding, crushing and grinding are used to separate metals from cladding materials (resin, fiberglass and plastics). Manually sorted PCBs (Fig. 2a) were cut into small (about 2x2 cm) pieces using a fourbladed rotary cutting shredder supplied from Netplasmak Co. (Fig. 2b).
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