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Authors
Affiliations
1 The School of Architectural and Surveying & Mapping Engineering, Jiangxi University of Science and Technology, Ganzhou, 341000, Jiangxi, CN
Source
Nature Environment and Pollution Technology, Vol 14, No 1 (2015), Pagination: 145-148
Abstract
The printed wiring boards (PWBs) in obsolete computers as a type of e-waste are also a resourceful metal mine hidden in cities. Along with the intensified shrinkage of mineral resources, recovery of metals from ewaste such as obsolete PWBs becomes an inevitable trend and also a requirement for adaptation to circular economy. In this study, copper was recovered from PWBs in obsolete computers via the process of "crushscreen-shake". Copper was fully separated from other components at the crushing and grinding speeds of 3100 r/m. Then after screening, the materials with a grain-size level of 0.12-0.3 mm contained the highest copper content and were also separated well. After shaking-table separation, the copper grade was up to 78.64%.
Keywords
Printed Wiring Boards, E-Waste, Copper Recovery, Shaking Table.
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