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Cost-Effective Flow-Through Reactor in Electro-Fenton

  • Minghua ZhouEmail author
  • Gengbo Ren
  • Liang Ma
  • Yinqiao Zhang
  • Sijin Zuo
Chapter
Part of the The Handbook of Environmental Chemistry book series (HEC, volume 61)

Abstract

In order to increase the degradation efficiency and reduce the treatment cost of electro-Fenton (EF) process, many aspects have been attempted, among which the design of cost-effective reactors is very important. Flow-through EF reactor, i.e., the solution flow through the anode and cathode, is able to increase mass and electron transfer, which is favorable to improve electrochemical conversion, current efficiency and reduce energy consumption. Carbon-based materials, for example, graphite felt, are desirable cathodic electrodes for the flow-through EF system because of their stability, conductivity, high surface area and chemical resistance, as well as the filtration characteristics. The effects of some important parameters including current density, pH, and flow rate on organic pollutant removal efficiency were discussed. Moreover, some new attempts on coupled flow-through EF with other water/wastewater treatment technology (e.g., coagulation, adsorption, and ozonation) were extended to reach a higher treatment efficiency. The perspective of this process was also summarized. In conclusion, compared with conventional EF reactor, flow-through EF reactor was more energy-efficient and potential for degradation of organic pollutants.

Keywords

Adsorption Coupled process Electrochemical advanced oxidation processes (EAOP) Electro-Fenton Flow-through Graphite felt Peroxi-coagulation 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2017

Authors and Affiliations

  • Minghua Zhou
    • 1
    Email author
  • Gengbo Ren
    • 1
  • Liang Ma
    • 1
  • Yinqiao Zhang
    • 1
  • Sijin Zuo
    • 1
  1. 1.Key Laboratory of Pollution Process and Environmental Criteria, Ministry of Education, College of Environmental Science and EngineeringNankai UniversityTianjinChina

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