Kinetics and mechanisms of the degradation of PPCPs by zero-valent iron (Fe°) activated peroxydisulfate (PDS) system in groundwater.

Ailin Li,Zihao Wu, Tingting Wang,Shaodong Hou,Bangjie Huang,Xiujuan Kong,Xuchun Li,Yinghong Guan,Rongliang Qiu,Jingyun Fang

Journal of Hazardous Materials（2018）

Cited 70|Views21

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Abstract

•Degradation kinetics and mechanisms of PPCPs by Fe°/PDS treatment were investigated.•The degradation kinetics depended on pH and the dosages of Fe° and PDS.•SO4•−, •OH and O2•− contributed to the degradation of PPCPs.•The degradation was significantly enhanced in groundwater.•Cl− and SO42− in groundwater partially contributed to the enhancement.

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Key words

Sulfate radicals,Advanced oxidation process,Zero-valent iron,Pharmaceuticals and personal care products (PPCPs),Groundwater remediation

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