Highly efficient in-situ purification of Fe(II)-rich high-arsenic groundwater under anoxic conditions: Promotion mechanisms of PMS on oxidation and adsorption

Ying Fang,Qianwen Liu,Yang Song, Hui Cai,Ying Yang,Zhaoguang Yang,Haipu Li

Chemical Engineering Journal（2023）

引用 8|浏览2

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摘要

•PMS-induced efficient purification of Fe(II)-rich high-As groundwater as expected.•Best oxidation of As(III) and adsorption of As(V) in Fe(II)-PMS vs Fe(II)–H2O2/PDS.•More SO4•− and 1O2 generated and unactivated PMS in Fe(II)-PMS for best oxidation.•The structure of in-situ formed colloid changed in Fe(II)-PMS for best adsorption.

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关键词

Fe(II)-peroxymonosulfate,As(III),In-situ immobilization,Structural change,Promotion mechanism

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