Treatment of simulated electroplating wastewater containing Ni(II)-EDTA by Fenton oxidation combined with recycled ferrite process under ambient temperature

  • Lei Wang
  • Zhijun LuoEmail author
  • Jing Wei
  • Xiangtong Zhou
  • Xiaoying Zhang
  • Huicheng Ni
  • Jing Wang
  • Youye Song
  • Zhiren WuEmail author
Research Article


Developing low cost and efficient method for the treatment of electroplating wastewater containing heavy metals complexed with chelating agent has attracted increasing attention in industrial wastewater treatment. This study involved a system combining Fenton oxidation (FO) and recycled ferrite (RF) process for treating synthetic solution containing Ni(II)-EDTA at ambient temperature. In this system, the FO reaction can produce hydroxyl radicals with high redox potential to decomplex the metal-organic complexes and degrade the organics, thereby enhancing the removal efficiency of heavy metals. The RF process is to incorporate the non-iron metal into the spinel ferrites at room temperature, and stabilize the sludge. As a result, the toxicity characteristic leaching procedure can fulfill the relevant standards. Furthermore, the ferrous ions in Fenton reaction could be used as the source of irons in RF process. After treatment by the combined process, the effluent water fulfills the relevant standard in China. In comparison with conventional alkaline precipitation, the sludge sedimentation velocity of FO-RF is 2.16 times faster than that of conventional alkaline precipitation and the volume of sludge is reduced by half, which strongly demonstrated the advantages of the presented FO-RF system and indicated the huge potential for the treatment of EDTA-chelated nickel.


Fenton oxidation Ferrite Ni(II)-EDTA Sludge performance 


Funding information

This study was financially supported by the National Key R&D Program of China (2016YFE0126400), Zhenjiang’s Key Project of Research Plan (Social Development) (SH2017044), The Natural Science Foundation of the Anhui Higher Education Institutions of China (KJ2019A0568), and Jiangsu Collaborative Innovation Center of Technology and Material of Water Treatment.

Supplementary material

11356_2019_5990_MOESM1_ESM.docx (126 kb)
ESM 1 (DOCX 125 kb)


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Lei Wang
    • 1
    • 2
  • Zhijun Luo
    • 1
    Email author
  • Jing Wei
    • 1
  • Xiangtong Zhou
    • 1
  • Xiaoying Zhang
    • 1
  • Huicheng Ni
    • 1
  • Jing Wang
    • 1
  • Youye Song
    • 1
  • Zhiren Wu
    • 1
    Email author
  1. 1.School of the Environment and Safety EngineeringJiangsu UniversityZhenjiangChina
  2. 2.School of Environmental ResourcesAnQing Normal UniversityAnqingChina

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