The electrochemical regeneration of granular activated carbons: A review

Journal of Hazardous Materials
Rebecca V McQuillanKathryn A Mumford

Abstract

The electrochemical treatment of exhausted granular activated carbon (GAC) has been identified as an effective alternative to traditional adsorbent regeneration methods (e.g. thermal, chemical, and microbial). However, despite its proven potential and initial investigation over two decades ago, the development of this technology has been progressing slowly, hindering its deployment in industrial applications. Thus, a review has been conducted that aims to present the fundamentals of GAC electrochemical regenerative methods, what research has been conducted to develop the technology to the present day, and lastly, identify limitations and future prospects associated with electrochemical methods. The regenerative mechanism is firstly discussed, followed by a presentation of the varying reactor configurations and operating parameters utilized during the electrochemical treatment of GAC materials exhausted with a broad range of wastewater contaminants. Finally, emerging electrochemical technologies used for the commercial treatment of exhausted adsorbent materials and contaminated soils are discussed.

Citations

Feb 5, 2019·Environmental Science and Pollution Research International·Tingting ZhangZhiwei Zhou
Nov 13, 2019·Environmental Science and Pollution Research International·Jamiu O EniolaMohamed A Barakat
Mar 21, 2020·Applied Microbiology and Biotechnology·Wenfang LinXin Yu
Nov 3, 2020·The Science of the Total Environment·Rebecca V McQuillanKathryn A Mumford
Feb 1, 2021·Journal of Environmental Management·Dushanthi M Wanninayake
Mar 16, 2021·Journal of Hazardous Materials·Giannis-Florjan Norra, Jelena Radjenovic
Aug 22, 2021·Environmental Science and Pollution Research International·Nevim GençEsin Kacıra
May 12, 2020·ACS Applied Materials & Interfaces·Xuan JiaoYoufa Zhang

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