A Robust Flow-Through Platform for Organic Contaminant Removal
Name
1-s2.0-S2666386420303222-main.pdf
Description
Published version
Size
2.83 MB
Format
Adobe PDF
Checksum (MD5)
fada5d63e138f6838b0b9ffc3dc4d0c0
Author(s)
Chen, Long
Alshawabkeh, Akram N
Hojabri, Shayan
Sun, Meng
Xu, Guiyin
Li, Ju
Date Issued
2021
Journal
Cell Reports Physical Science
Publisher
Elsevier BV
Version
Final published version
Abstract
© 2020 The Authors Achieving the greatest cleanup efficiency with minimal footprint remains a paramount goal of the water treatment industry. Toxic organic compounds threaten drinking water safety and require effective pretreatment. Hydroxyl radicals produced by the Fenton process (Fe2+/H2O2) destroy organic contaminants based on their strong oxidation potential. An upgraded reaction using solid catalysts, referred to as the Fenton-like process, was recently adopted to avoid the ferric sludge generation during the conventional Fenton process. However, most heterogeneous Fenton-like catalysts operate optimally at pH 3–5 and quite weakly in near-neutral water bodies. Here, we evaluate the feasibility of an electrolytically localized acid compartment (referred to as the Ella process) produced by electrochemical water splitting under flow-through conditions to facilitate the Fenton-like process. The Ella process boosts the activity of an immobilized iron oxychloride catalyst >10-fold, decomposing organic pollutants at a high flow rate. The robust performance in complex water bodies further highlights the promise of this platform.
MIT Department
Massachusetts Institute of Technology. Department of Nuclear Science and Engineering
Massachusetts Institute of Technology. Department of Materials Science and Engineering
Terms of Use
Creative Commons Attribution 4.0 International license
Persistent DSpace Link
DOI of Published Version
https://doi.org/10.1016/J.XCRP.2020.100296
