Membrane technology coupled with electrochemical advanced oxidation processes for organic wastewater treatment: Recent advances and future prospects

• Published in: Chemical engineering journal (Lausanne, Switzerland : 1996) Switzerland : 1996), 2019-11, Vol.376, p.120909, Article 120909
• Main Authors: Pan, Zonglin, Song, Chengwen, Li, Lin, Wang, Hong, Pan, Yanqiu, Wang, Chunlei, Li, Jianxin, Wang, Tonghua, Feng, Xianshe
• Format: Article
• Language: English
• Subjects: Conductive membranes; Electrochemical advanced oxidation processes (EAOPs); Membrane technology; Wastewater treatment
• ISSN: 1385-8947; 1873-3212
• DOI: 10.1016/j.cej.2019.01.188

•Recent advances on coupling process of membrane technology with EAOPs were reviewed.•Typical membrane-EAOPs including one-pot process and two-stage process were discussed.•Nonconductive membranes and conductive membranes related to membrane-EAOPs were summarized;•EAOPs such as EAO, ECO, PECO, E-Fenton were integrated with membrane technology.•The future prospects of membrane-EAOPs process were proposed. Organic contaminants in wastewater have become one of the most serious environmental problems due to their toxicity, persistence and being bio-refractory. Many efforts have been made to develop effective technologies for wastewater treatment over the past few decades. In this review, membrane technologies coupled with electrochemical advanced oxidation processes (EAOPs) for wastewater treatment are presented, where membrane materials used in such systems are categorized based on their electrical conductivities. Various EAOPs, including electro-chemical anodic oxidation, electro-catalysis, photoelectro-catalysis, and electro-Fenton integrated with membrane technologies for effective wastewater treatment, are discussed. The coupling systems using the membrane as an electrode are particularly examined. This review also elaborates the existing challenges with membrane technologies coupled with EAOPs for wastewater treatment, and their prospects are provided as well.