Pollution Control and Risk Assessment for Aquatic Environment

Treatment of industrial park wastewater using a combination of hydrolysis acidification, anaerobic-anoxic-oxic-anoxic-oxic, and Fenton oxidation technology

  • Yanjie HUANG ,
  • Guoyi ZHENG ,
  • Huayong YU ,
  • Hanbin ZHU ,
  • Fudong YU ,
  • Jing WANG ,
  • Xuchao SUN ,
  • Jiguang YIN ,
  • Lei AN ,
  • Yuanyuan LIN
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  • 1. Zhejiang Province Environmental Engineering Co. Ltd., Hangzhou 310012, China
    2. School of Ecological and Environmental Sciences, East China Normal University, Shanghai 200241, China
    3. Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, East China Normal University, Shanghai 200241, China

Received date: 2023-08-21

  Accepted date: 2023-12-01

  Online published: 2024-01-23

Abstract

Industrial park wastewater is characterized by various components, changeable water quality, complex pollutant factors, poor biodegradability, and high emission standards. A full-scale industrial park wastewater treatment plant in Deqing was used as an example to investigate the technical-economic feasibility of a process combining hydrolysis acidification, anaerobic-anoxic-oxic-anoxic-oxic (A2/O+AO), and Fenton oxidation in treating wastewater from various enterprises, primarily printing and dyeing, food manufacturing, and metal processing factories. The effluent chemical oxygen demand, ammoniacal nitrogen, total nitrogen, and total phosphorus stably met the required discharge limits for Urban Sewage Treatment Plants (DB33/2169—2018), while other indicators reached Grade A standard for Urban Sewage Treatment Plants (GB18918—2002). The engineering investment and actual operation costs of the wastewater treatment plant were 8200 and 2.39 yuan/m3, respectively.

Cite this article

Yanjie HUANG , Guoyi ZHENG , Huayong YU , Hanbin ZHU , Fudong YU , Jing WANG , Xuchao SUN , Jiguang YIN , Lei AN , Yuanyuan LIN . Treatment of industrial park wastewater using a combination of hydrolysis acidification, anaerobic-anoxic-oxic-anoxic-oxic, and Fenton oxidation technology[J]. Journal of East China Normal University(Natural Science), 2024 , 2024(1) : 29 -35 . DOI: 10.3969/j.issn.1000-5641.2024.01.004

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