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Microscopic Appearance Transformation of Bornite During Acid Leaching and Bioleaching

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Characterization of Minerals, Metals, and Materials 2020

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

Abstract

The microscopic appearance transformation of bornite during leaching and bioleaching was investigated in this article. Leaching experiments, X-ray diffraction (XRD ), scanning electron microscope (SEM), and energy dispersive spectrometer (EDS) were conducted to investigate the microscopic appearance of bornite in the presence of Leptospirillum ferriphilum (L. ferriphilum) and sterile condition. The leaching and bioleaching experimental results showed that the recovery of acid leaching was 29.117% while the recovery of bioleaching was 51.328%, which means that the presence of L. ferriphilum significantly improved recovery of copper . The SEM imaging revealed that the bioleaching sample surface is rougher than sterile leaching sample due to surface roughness of the bornite increased with oxidation potential.

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Authors and Affiliations

  1. School of Minerals Processing & Bioengineering, Central South University, Changsha, 410083, Hunan, China

    Hao Lin, Jun Wang, Yuling Liu & Yi Zhou

  2. Key Lab of Biohydrometallurgy of Ministry of Education, Changsha, 410083, Hunan, China

    Hao Lin, Jun Wang, Yuling Liu & Yi Zhou

Authors
  1. Hao Lin
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  2. Jun Wang
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  3. Yuling Liu
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  4. Yi Zhou
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Corresponding author

Correspondence to Hao Lin .

Editor information

Editors and Affiliations

  1. CanmetMATERIALS, Hamilton, ON, Canada

    Jian Li

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

    Mingming Zhang

  3. Michigan Technological University, Houghton, MI, USA

    Bowen Li

  4. Military Institute of Engineering, Rio de Janeiro, Brazil

    Sergio Neves Monteiro

  5. Al Isra University, Amman, Jordan

    Shadia Ikhmayies

  6. Middle East Technical University, Ankara, Turkey

    Yunus Eren Kalay

  7. Michigan Technological University, Houghton, MI, USA

    Jiann-Yang Hwang

  8. University of New South Wales, Canberra, BC, Australia

    Juan P. Escobedo-Diaz

  9. Los Alamos National Laboratory, Los Alamos, NM, USA

    John S. Carpenter

  10. United States Army Research Laboratory, Adelphi, MD, USA

    Andrew D. Brown

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Cite this paper

Lin, H., Wang, J., Liu, Y., Zhou, Y. (2020). Microscopic Appearance Transformation of Bornite During Acid Leaching and Bioleaching. In: Li, J., et al. Characterization of Minerals, Metals, and Materials 2020. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-36628-5_12

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