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Sustainable Use of Precious and Rare Metals Through Biotechnological Recycling

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  • First Online:
REWAS 2019

Part of the book series: The Minerals, Metals & Materials Series ((MMMS))

Abstract

We proposed using new biotechnologies to recycle platinum group metals (PGMs) and gold from the end of life wastes, which will lead to the sustainable use of precious and rare metals. When targeting leachate of spent automotive catalysts, the metal ion-reducing bacterium Shewanella algae was found to reduce and deposit aqueous PGMs ions (Pd(II), Pt(IV) and Rh(III)) as metallic particles within the bacterial cells at room temperature and pH 6 within 60 min, using formate as the electron donor. We also found that the baker’s yeast Saccharomyces cerevisiae can be applied as a biomaterial for adsorbing Au(III) ions from aqueous acidic solutions. When processing leachate of spent electronic components, S. cerevisiae cells were able to rapidly and selectively collect Au(III) ions from strongly acidic solutions. Unlike conventional hydrometallurgical methods, our proposed microbial methods enable the attractive and eco-friendly recovery of PGMs and gold from secondary sources.

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References

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Acknowledgements

This work was supported by JSPS KAKENHI Grant Numbers JP18H03846, JP20360411, JP23360406.

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Authors and Affiliations

  1. Department of Chemical Engineering, Osaka Prefecture University, 1-1 Gakuen-Cho, Sakai, Osaka, 599-8531, Japan

    Norizoh Saitoh, Toshiyuki Nomura & Yasuhiro Konishi

Authors
  1. Norizoh Saitoh
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  2. Toshiyuki Nomura
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  3. Yasuhiro Konishi
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Corresponding author

Correspondence to Yasuhiro Konishi .

Editor information

Editors and Affiliations

  1. Alfred University, Alfred, NY, USA

    Gabrielle Gaustad

  2. Gopher Resource, Eagan, MN, USA

    Camille Fleuriault

  3. Norwegian University of Science and Technology, Trondheim, Norway

    Mertol Gökelma

  4. Purdue University, West Lafayette, IN, USA

    John A. Howarter

  5. Massachusetts Institute of Technology, Cambridge, MA, USA

    Randolph Kirchain

  6. Colorado State University, Fort Collins, CO, USA

    Kaka Ma

  7. Umicore, Olen, Belgium

    Christina Meskers

  8. IND LLC, South Jordan, UT, USA

    Neale R. Neelameggham

  9. Massachusetts Institute of Technology, Cambridge, MA, USA

    Elsa Olivetti

  10. Worcester Polytechnic Institute, Worcester, MA, USA

    Adam C. Powell

  11. Worcester Polytechnic Institute, Worcester, MA, USA

    Fiseha Tesfaye

  12. Johan Gadolin Process Chem Ctr, Abo Akademi University, Turku, Finland

    Dirk Verhulst

  13. ArcelorMittal Global R&D, Schererville, IN, USA

    Mingming Zhang

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© 2019 The Minerals, Metals & Materials Society

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Saitoh, N., Nomura, T., Konishi, Y. (2019). Sustainable Use of Precious and Rare Metals Through Biotechnological Recycling. In: Gaustad, G., et al. REWAS 2019. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-10386-6_13

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