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Copper from Waste Printed Circuit Boards Was Effectively Bioleached Using Newly Isolated Microorganisms and Subsequently Recovered by Microbial Fuel Cell

Author

Listed:
  • Xiafei Yin

    (Jiangsu Key Laboratory of E-Waste Recycling, School of Resources and Environmental Engineering, Jiangsu University of Technology, Changzhou 213001, China
    These authors contributed equally to this work.)

  • Xuan Shan

    (Jiangsu Key Laboratory of E-Waste Recycling, School of Resources and Environmental Engineering, Jiangsu University of Technology, Changzhou 213001, China)

  • Wei Shao

    (Jiangsu Longhuan Environmental Technology Co., Ltd., Changzhou 213032, China
    These authors contributed equally to this work.)

  • Lixue Liu

    (Jiangsu Key Laboratory of E-Waste Recycling, School of Resources and Environmental Engineering, Jiangsu University of Technology, Changzhou 213001, China)

  • Guobin Liang

    (Jiangsu Key Laboratory of E-Waste Recycling, School of Resources and Environmental Engineering, Jiangsu University of Technology, Changzhou 213001, China)

  • Quanfa Zhou

    (Changzhou Institute of Technology, Changzhou 213032, China)

  • Wei Lin

    (Jiangsu Key Laboratory of E-Waste Recycling, School of Resources and Environmental Engineering, Jiangsu University of Technology, Changzhou 213001, China
    School of Chemistry and Chemical Engineering, Jiangsu University of Technology, Changzhou 213001, China)

Abstract

Two newly isolated bacterial strains were isolated from activated sludge and identified as Coniochaeta fodinicola ( C. fodinicola ) and Talaromyces barcinensis ( T. barcinensis ) by 16S rDNA. C. fodinicola and T. barcinensis were used to bioleach the copper from the waste printed circuit boards (WPCBs) powder, which was obtained by crushing and sorting the printed circuit board substrate after removing components. Results showed that the minimum and maximum Cu 2+ leaching rates for C. fodinicola leaching were 3.9% and 89.2%, respectively. The minimum and maximum Cu 2+ leaching rates for T. barcinensis leaching were 20.6% and 89.0%, respectively. The bioleaching solution was used as the cathode liquid of a dual chamber microbial fuel cell (MFC), and an X-ray diffraction (XRD) pattern displayed that the Cu 2+ in the bioleaching solution was reduced to copper using biological electricity generation.

Suggested Citation

  • Xiafei Yin & Xuan Shan & Wei Shao & Lixue Liu & Guobin Liang & Quanfa Zhou & Wei Lin, 2023. "Copper from Waste Printed Circuit Boards Was Effectively Bioleached Using Newly Isolated Microorganisms and Subsequently Recovered by Microbial Fuel Cell," Sustainability, MDPI, vol. 15(13), pages 1-15, June.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:13:p:9996-:d:1178048
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    References listed on IDEAS

    as
    1. Xiafei Yin & Xuan Shan & Guobin Liang & Quanfa Zhou & Wei Lin, 2023. "A Newly Acidophilic Bacterium Acidomyces acidothermus Was Isolated to Efficiently Bioleach Copper from Waste Printed Circuit Boards (WPCBs)," Sustainability, MDPI, vol. 15(3), pages 1-17, February.
    2. Preetiman Kaur & Shivani Sharma & Fawziah M. Albarakaty & Anu Kalia & Mohamed M. Hassan & Kamel A. Abd-Elsalam, 2022. "Biosorption and Bioleaching of Heavy Metals from Electronic Waste Varied with Microbial Genera," Sustainability, MDPI, vol. 14(2), pages 1-16, January.
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