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Constructing environment-friendly return road of metals from e-waste: Combination of physical separation technologies

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  • Ruan, Jujun
  • Xu, Zhenming

Abstract

Metals are vital raw materials for industrial production and are consuming rapidly as the development of the world. People are always enthusiasm about searching new metal resource even if the results are more and more disappointed. Thus, return of consumed metals is crucial for substantial development of the world. E-waste was rapidly generated together with the innovation of electronic industry. E-waste is called urban mine and metals accounted for above 70wt%. Recover e-waste is significant for returning metals. However, because of employing crude recovery technology, serious environmental pollution had been generated in the places of recovering e-waste. Environment-friendly and efficient technology has been the pressing demand in the return of metals from e-waste. This paper reported how to construct environment-friendly return road of metals from e-waste. The road was advised to be constructed by physical technologies of crushing, magnetic separation, eddy current separation, corona electrostatic separation, vacuum metallurgy separation and et al. For improving the efficient of the return road, the finished and future works of each technology were presented and proposed. For improving the added value of the recovered metals, further processing was planned in the return road. Additionally, some efforts on environmental friendly construction of the return road were presented. At last, three constructed return roads of metals (above 88wt% metals were recovered) from e-waste were reported. We expect this paper can contribute to the treatment of e-waste and the development of cyclic economy.

Suggested Citation

  • Ruan, Jujun & Xu, Zhenming, 2016. "Constructing environment-friendly return road of metals from e-waste: Combination of physical separation technologies," Renewable and Sustainable Energy Reviews, Elsevier, vol. 54(C), pages 745-760.
    • Handle: RePEc:eee:rensus:v:54:y:2016:i:c:p:745-760
    DOI: 10.1016/j.rser.2015.10.114
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    Cited by:

    1. Cucchiella, Federica & D’Adamo, Idiano & Lenny Koh, S.C. & Rosa, Paolo, 2016. "A profitability assessment of European recycling processes treating printed circuit boards from waste electrical and electronic equipments," Renewable and Sustainable Energy Reviews, Elsevier, vol. 64(C), pages 749-760.
    2. de Oliveira, R.P. & Benvenuti, J. & Espinosa, D.C.R., 2021. "A review of the current progress in recycling technologies for gallium and rare earth elements from light-emitting diodes," Renewable and Sustainable Energy Reviews, Elsevier, vol. 145(C).
    3. Idiano D’Adamo & Paolo Rosa & Sergio Terzi, 2016. "Challenges in Waste Electrical and Electronic Equipment Management: A Profitability Assessment in Three European Countries," Sustainability, MDPI, vol. 8(7), pages 1-19, July.
    4. Muhammad Danish & Saqib Ali & Muhammad Azeem Ahmad & Hasan Zahid, 2019. "The Influencing Factors on Choice Behavior Regarding Green Electronic Products: Based on the Green Perceived Value Model," Economies, MDPI, vol. 7(4), pages 1-18, October.
    5. Awasthi, Abhishek Kumar & Li, Jinhui, 2017. "Management of electrical and electronic waste: A comparative evaluation of China and India," Renewable and Sustainable Energy Reviews, Elsevier, vol. 76(C), pages 434-447.
    6. Kumar, Anil & Shemi, Alan & Chipise, Liberty & Moodley, Sanchia & Yah, Clarence S. & Ndlovu, Sehliselo, 2023. "Can microbial Bio-CN be a sustainable alternative to the chemical cyanidation of precious metals? An update and way forward," Renewable and Sustainable Energy Reviews, Elsevier, vol. 188(C).
    7. Zeng, Xianlai & Duan, Huabo & Wang, Feng & Li, Jinhui, 2017. "Examining environmental management of e-waste: China's experience and lessons," Renewable and Sustainable Energy Reviews, Elsevier, vol. 72(C), pages 1076-1082.

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