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COD Removal from Electroplating Degreasing Wastewater by UV/H2O2 Process

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Materials Engineering—From Ideas to Practice: An EPD Symposium in Honor of Jiann-Yang Hwang

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

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Abstract

Degreasing wastewater is a common type of wastewater produced from surface degreasing process in the electroplating industry. It has the characteristics of high pH, high oil content, and high COD value. This paper studies COD reduction of degreasing wastewater by UV/H2O2 oxidation process, and factors that affect COD removal rate. Those include H2O2 dosage, feeding method, and pH value. The optimized reaction condition was found to be pH of 3, the molar ratio of H2O2 to COD at 1:1 with continuous feeding of H2O2. A maximum COD removal rate of 91% can be achieved after 4 h of reaction.

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Author information

Authors and Affiliations

  1. Futianbao Environmental Protection Technology Co, Ltd, Xian, Shaanxi, 710000, China

    Jianjun Liu, Zhichao Chen, Lili Xi, Jiann-Yang Hwang & Yong Shi

  2. Michigan Technological University, Houghton, MI, 49931, USA

    Jiann-Yang Hwang

Authors
  1. Jianjun Liu
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  2. Zhichao Chen
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  3. Lili Xi
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  4. Jiann-Yang Hwang
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  5. Yong Shi
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Corresponding author

Correspondence to Jiann-Yang Hwang .

Editor information

Editors and Affiliations

  1. Michigan Technological University, Houghton, MI, USA

    Bowen Li

  2. The University of Queensland, Brisbane, Australia

    Baojun Zhao

  3. CanmetMATERIALS, Hamilton, ON, Canada

    Jian Li

  4. Military Institute of Engineering, Rio de Janeiro, Brazil

    Sergio Neves Monteiro

  5. Central South University, Changsha, China

    Zhiwei Peng

  6. RHI Magnesita, Leoben, Austria

    Dean Gregurek

  7. Central South University, Changsha, China

    Tao Jiang

  8. Futianbao Environmental Protection Technology Company, Xian, China

    Yong Shi

  9. Futianbao Environmental Protection Technology Company, Xian, China

    Cuiping Huang

  10. Al Isra University, Amman, Jordan

    Shadia Ikhmayies

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© 2021 The Minerals, Metals & Materials Society

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Cite this paper

Liu, J., Chen, Z., Xi, L., Hwang, JY., Shi, Y. (2021). COD Removal from Electroplating Degreasing Wastewater by UV/H2O2 Process. In: Li, B., et al. Materials Engineering—From Ideas to Practice: An EPD Symposium in Honor of Jiann-Yang Hwang. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-65241-8_27

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