Oxalate-modified microscale zero-valent iron for trichloroethylene elimination by adsorption enhancement and accelerating electron transfer

Jintong Lan,Lijun Qiu, Xi Cai, Yang Lin,Bo Xie,Hongqi Shi,Lizhi Zhang,Xiao Liu

Separation and Purification Technology（2024）

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摘要

•Oxalate-modified ZVIbm (Ox-ZVIbm) with FeC2O4 formation on surface was fabricated.•The unsaturated coordination Fe(II) sites promoted the adsorption of TCE.•The formed FeC2O4 on the ZVI surface improved electron transfer efficiency.•TCE degradation rate over Ox-ZVIbm was 10-fold higher than that of unmodified ZVI.•Ox-ZVIbm was filled in laboratory PRB to dispose of actual underground wastewater containing TCE.

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关键词

Oxalate-modified zero-valent iron,Trichloroethylene,Reductive dechlorination,Electron transfer,laboratory Permeable Reactive Barriers

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