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Study on Recovery of Zinc from Metallurgical Solid Waste Residue by Ammoniacal Leaching

  • Aiyuan Ma
  • Xuemei ZhengEmail author
  • Shengyou Shi
  • Haiye He
  • Yanhong Rao
  • Guoyan Luo
  • Fang Lu
Conference paper
Part of the The Minerals, Metals & Materials Series book series (MMMS)

Abstract

Metallurgical solid waste residue derived from lead and zinc smelting, steel dust, and galvanized steel scrap that is important secondary sources of zinc and other valuable metals. In order to realize recycling utilization of zinc secondary resource, a clean zinc production process of zinc recovery from metallurgical solid waste residue in NH3–(NH4)3AC–H2O system is investigated. It was found that the addition of (NH4)3AC to a NH3–H2O system promotes the zinc extraction, and 78.59% of zinc could be leached and recovered from the metallurgical solid waste residue under the following conditions: total ammonia concentration of 5 mol/L, stirring speed of 400 rpm, ammonia/ammonium ratio ([NH3]/[NH4]+) of 1:1, solid/liquid ratio of 1:4, leaching temperature of 35 °C, and a leaching time of 30 min.

Keywords

Metallurgical solid waste residue Metallurgical solid waste residue Ammoniacal leaching 

Notes

Acknowledgements

The authors are grateful for the financial support from Guizhou provincial colleges and universities science and technology top-notch talent support program project (KY [2018]066), the key cultivation disciplines of Liupanshui Normal University (LPSSYZDPYXK201708), high-level talent research start-up fund of Liupanshui Normal University (LPSSYKYJJ201707).

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Copyright information

© The Minerals, Metals & Materials Society 2019

Authors and Affiliations

  • Aiyuan Ma
    • 1
  • Xuemei Zheng
    • 1
    Email author
  • Shengyou Shi
    • 1
  • Haiye He
    • 1
  • Yanhong Rao
    • 1
  • Guoyan Luo
    • 1
  • Fang Lu
    • 1
  1. 1.School of Chemistry and Materials EngineeringLiupanshui Normol UniversityLiupanshuiChina

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