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Recovery of Molybdenum from Metallurgical Wastewater by Fe(III) Coagulation and Precipitation Flotation Process

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REWAS 2022: Developing Tomorrow’s Technical Cycles (Volume I)

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

Abstract

Molybdenum (Mo) is an irreplaceable alloying element of steel, resulting in the vigorous development of Mo metallurgy industry. However, abundant Mo-bearing wastewaters with low concentrations are concomitantly generated, which is difficult to recycle and gives rise to the waste of resources. In this work, recovery of Mo from metallurgical wastewater by Fe(III) chelation and precipitation flotation process was investigated. The effects of pH value, Fe(III), HA dosage, and reaction time on the Mo recovery efficiency from wastewater were systematically studied. The results showed that the molybdate in the solution can be coagulated by Fe(III) to form precipitation. HA can effectively increase the sizes of precipitation particles and improve flotation separation of Mo. After optimization, over 99.6% Mo was removed under the optimal coagulation and flotation condition. This technology can realize the effective recovery of molybdate from wastewater.

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Acknowledgements

The authors wish to express their thanks to the National Natural Science Foundation of China (No. U2004215, 51774252, 51974280, 51674225), the Innovation Talents Support Program in University of Henan Province (No. 20HAST1T012), the China Postdoctoral Science Foundation (No. 2019TQ0289), and the Key Scientific Research Project Plan of Henan Colleges and Universities (No. 20A450001).

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Authors and Affiliations

  1. School of Chemical Engineering, Zhengzhou University, Zhengzhou, 450001, Henan, China

    Bei Zhang, Bingbing Liu, Yuanfang Huang, Guihong Han, Yifan Du & Shengpeng Su

Authors
  1. Bei Zhang
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  2. Bingbing Liu
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  3. Yuanfang Huang
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  4. Guihong Han
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  5. Yifan Du
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  6. Shengpeng Su
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Corresponding author

Correspondence to Bingbing Liu .

Editor information

Editors and Affiliations

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

    Adamantia Lazou

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

    Katrin Daehn

  3. Eramet Norway, Sauda, Norway

    Camille Fleuriault

  4. İzmir Institute of Technology, İzmir, Turkey

    Mertol Gökelma

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

    Elsa Olivetti

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

    Christina Meskers

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Cite this paper

Zhang, B., Liu, B., Huang, Y., Han, G., Du, Y., Su, S. (2022). Recovery of Molybdenum from Metallurgical Wastewater by Fe(III) Coagulation and Precipitation Flotation Process. In: Lazou, A., Daehn, K., Fleuriault, C., Gökelma, M., Olivetti, E., Meskers, C. (eds) REWAS 2022: Developing Tomorrow’s Technical Cycles (Volume I). The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-92563-5_26

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