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A Kinetic Analysis of Acid Leaching of Niobium and Zirconium from Titania Waste Residue Stream: an Energy Efficient Methodology for the Reclamation of Metal Values

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Energy Technology 2015

Abstract

Residues from rutile chlorination plants often contain relatively high concentrations of critical metals, essential for energy devices. Ironically, the conventional method of extraction of niobium and zirconium is quite energy demanding and detrimental to the environment. In this investigation, the kinetics of dissolution of niobium and zirconium from titania waste in hydrochloric acid solutions are investigated. The thermodynamic stability of minerals demands the use of chlorination, carbothermic reduction or alkaline fusion for breakdown of their mineral concentrate and upgrading before leaching in acid, usually hydrofluoric acid. Reclamation of niobium and zirconium values from titania waste presents an opportunity for a low energy process to be utilised. The effects of parameters leaching temperature (25 – 90 °C), acid concentration (0.5 – 2.5M), stirring speed and solid-to-liquid ratio were determined in the experiments. Leachates were analysed by ICP OES, using which the models for the leaching processes and activation energies were determined.

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Author information

Authors and Affiliations

  1. School of Chemical and Process Engineering, The University of Leeds, Clarendon road, Ls2 9JT, UK

    Terence Makanyire & Animesh Jha

  2. Greatham Works, Tees Road, Hartlepool, TS25 2DD, UK

    Stephen Sutcliffe

Authors
  1. Terence Makanyire
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  2. Animesh Jha
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  3. Stephen Sutcliffe
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Editor information

Editors and Affiliations

  1. School of Materials and Metallurgy, Northeastern University, USA

    Cong Wang (professor) (professor)

  2. Group Lead in the Advanced Process & Decision Systems, Department at the Idaho National Laboratory (INL), Idaho, USA

    Donna P. Guillen (Distinguished) (Distinguished)

  3. Department of Materials Science and Engineering, Cornell University, USA

    Li Li (Senior Research Associate) (Senior Research Associate)

  4. TMS Extraction and Processing, USA

    Cynthia K. Belt (Vice-Chair) (Vice-Chair)

  5. MIT Concrete Sustainability Hub, USA

    Randolph Kirchain (co-director) (co-director)

  6. Argonne National Laboratory, Iowa State University, USA

    Jeffrey S. Spangenberger (senior engineering specialist) (senior engineering specialist)

  7. College of Engineering at Lamar, University in Beaumont, Texas, USA

    Andrew Jewel Gomes (Associate Professor) (Associate Professor)

  8. Rolls Royce LG Fuel Cell Systems, Inc., Ohio, USA

    Amit Pandey (working as a development lead in reliability) (working as a development lead in reliability)

  9. University of California Berkeley in the department of Nuclear Engineering, USA

    Peter Hosemann (Associate Professor) (Associate Professor)

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Makanyire, T., Jha, A., Sutcliffe, S. (2015). A Kinetic Analysis of Acid Leaching of Niobium and Zirconium from Titania Waste Residue Stream: an Energy Efficient Methodology for the Reclamation of Metal Values. In: Jha, A., et al. Energy Technology 2015. Springer, Cham. https://doi.org/10.1007/978-3-319-48220-0_13

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