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resources 2014, 3, 152 179; doi:10.3390/resources3010152 resources issn 2079 9276 review metal extraction processes for electronic waste and existing industrial routes: a review and australian perspective
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current research on leaching precious metals from waste printed circuit boards (pcbs) in the world is introduced. in the paper, hydrometallurgical processing techniques including cyanide leaching, thiourea leaching, thiosulfate leaching, and halide leaching of precious metals are addressed in detail.
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