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Optimization on Drying of CuCl Residue by Hot-Air Using Response Surface Methodology

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Drying, Roasting, and Calcining of Minerals

Abstract

The clean utilization of the residue containing chloride, CuCl residue, produced from zinc hydrometallurgy is very important for the recycle of valuable metals. And drying is the main process in recycling. In this study, response surface methodology was used to optimize operating conditions of the drying of CuCl residue in a convection oven and desirability function used as the methodology for the optimization. Optimization factors were air temperature (80–100°C), material thickness (10–25mm) and process time (80–120min) while investigated responses was final moisture content. The optimum conditions were found to be the temperature of 95.48°C with the material thickness of 13.47mm for the process time of 89.48 min. Under optimum conditions, the predicted moisture content of CuCl residue was 4.11% while the experimental date was 4.13%. The experimental value after process optimization was found to agree satisfactory with the predicted value. After drying, XRD was used to analyze the main phases of CuCl residue. The CuCl residue is made up of CuCl,Cu2O, ZnS and other compounds.

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Authors and Affiliations

  1. National Local Joint Laboratory of Engineering Application of Microwave Energy and Equipment Technology, Kunming, Yunnan, 650093, China

    Guo Zhanyong, Ju Shaohua PhD (Associate Professor), Peng Jinhui, Zhang Libo & Jiang Feng

  2. Key Laboratory of Unconventional Metallurgy, Ministry of Education, Kunming, University of Science and Technology, Kunming, Yunnan, 650093, China

    Guo Zhanyong, Ju Shaohua PhD (Associate Professor), Peng Jinhui, Zhang Libo & Jiang Feng

  3. Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, Yunnan, 650093, China

    Guo Zhanyong, Ju Shaohua PhD (Associate Professor), Peng Jinhui, Zhang Libo & Jiang Feng

  4. Kunming Metallurgy College, Kunming, Yunnan, 650093, China

    Lei Ting

Authors
  1. Guo Zhanyong
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  2. Ju Shaohua PhD
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  3. Lei Ting
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  4. Peng Jinhui
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  5. Zhang Libo
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  6. Jiang Feng
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Corresponding author

Correspondence to Ju Shaohua PhD .

Editor information

Editors and Affiliations

  1. Midrex Technologies, Pineville, North Carolina, USA

    Thomas P. Battle (Senior Metallurgist) (Senior Metallurgist)

  2. Montana Tech, USA

    Jerome P. Downey (Associate Professor, the Hazen Research Professor of Extractive Metallurgy, and Goldcorp Professor, the campus Director) (Associate Professor, the Hazen Research Professor of Extractive Metallurgy, and Goldcorp Professor, the campus Director)

  3. Montana University System Materials Science Ph.D. program, USA

    Jerome P. Downey (Associate Professor, the Hazen Research Professor of Extractive Metallurgy, and Goldcorp Professor, the campus Director) (Associate Professor, the Hazen Research Professor of Extractive Metallurgy, and Goldcorp Professor, the campus Director)

  4. Thermal Processing group, Hazen Research, Inc., Golden, Colorado, USA

    Lawrence D. May (Vice President, Facility Manager) (Vice President, Facility Manager)

  5. Kingston Process Metallurgy Inc., Kingston, Ontario, Canada

    Boyd Davis (principal) (principal)

  6. IND LLC, USA

    Neale R. Neelameggham

  7. University of Leeds, UK

    Sergio Sanchez-Segado

  8. Center for Iron and Steelmaking Research in the Department of Materials Science and Engineering, Carnegie Mellon University, USA

    P. Chris Pistorius (POSCO Professor and Co-Director) (POSCO Professor and Co-Director)

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© 2015 TMS (The Minerals, Metals & Materials Society)

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Zhanyong, G., Shaohua, J., Ting, L., Jinhui, P., Libo, Z., Feng, J. (2015). Optimization on Drying of CuCl Residue by Hot-Air Using Response Surface Methodology. In: Battle, T.P., et al. Drying, Roasting, and Calcining of Minerals. Springer, Cham. https://doi.org/10.1007/978-3-319-48245-3_9

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