Journal
DESALINATION AND WATER TREATMENT
Volume 94, Issue -, Pages 11-24Publisher
DESALINATION PUBL
DOI: 10.5004/dwt.2017.21570
Keywords
Electrochemistry; Biological treatment; Electric biological coupling technology; Coupling mechanism; Electrode material; Space structure
Categories
Funding
- National Natural Science Foundation of China [NSFC51508227, NSFC51278225, NSFC51178207]
- key research and development plan of Shandong Province [2017GSF217011]
- Natural Science Foundation of Shandong Province [ZR2017MEE048]
- Project of Shandong Province Higher Educational Science and Technology Program [J14LG02]
- Shandong Province Science and Technology Development Plan-Policy Guidance Project [2013YD17003]
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It is well known that individual classical wastewater treatment techniques (e.g. activated sludge process, anodic oxidation, etc.) are generally inadequate for the removal of hazardous substances from integrated urban wastewater. Therefore, electric biological coupling process (EBCP) has been proposed in order to ensure the effective removal of these pollutants, as each of its constituent techniques supplements the advantages and overcomes the challenges of the other. This paper presents a comprehensive review of the development and application of this process, summarizing the concept, design and operating principle of EBCP system. Various electrode materials used in an EBCP reactor are systematically introduced, including anode and cathode materials as well as particle electrode materials. The effects of important operating parameters, such as current density, cell voltage, dissolved oxygen concentration, pH values and influent loading are discussed. Their applications in treating various types of wastewater are thoroughly reviewed. Finally, perspectives are also proposed on the future trends in the development of the technology. This long-expected overview aims to draw attention to the innovative process, promote its application and development as well as bring the scientific community up-to-date with the latest advances in the field.
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