Advanced Oxidation Process with Peracetic Acid and Fe(II) for Contaminant Degradation
Kim, Juhee1; Zhang, Tianqi1; Liu, Wen1,2; Du, Penghui1,3; Dobson, Jordan T.1; Huang, Ching-Hua1

Fe(II) is an excellent promoter for advanced oxidation processes (AOPs) because of its environmental ubiquity and low toxicity. This study is among the first to characterize the reaction of peracetic acid (PAA) with Fe(II) ion and apply the Fe(II)/PAA AOP for degradation of micropollutants. PAA reacts with Fe(II) (k = 1.10 x 10(5)-1.56 x 10(4)M(-1)S(-1 )at pH 3.0-8.1) much more rapidly than H2O2 and 4 outperforms the coexistent H2O2 for reaction with Fe(II). While PAA alone showed minimal reactivity with methylene blue, 0.2 naproxen, and bisphenol-A, significant abatement (48-98%) of compounds was observed by Fe(II)/PAA at initial pH of 3.0-8.2. The micropollutant degradation by Fe(II)/PAA exhibited two kinetic phases (very rapid then slow) related to PAA and H2O2 , respectively. Based on experimental evidence, formation of carbon-centered radicals (CH3C(O)O center dot, CH3C(O)center dot, and center dot CH3), center dot OH, and Fe(IV) reactive intermediate species from the PAA and Fe(II) reactions in the presence of H2O2 is hypothesized. The carbon-centered radicals and/or Fe(IV) likely played an important role in micropollutant degradation in the initial kinetic phase, while center dot OH was important in the second reaction phase. The transformation products of micropollutants showed lower model-predicted toxicity than their parent compounds. This study significantly advances the understanding of PAA and Fe(II) reaction and demonstrates Fe(II)/PAA to be a feasible advanced oxidation technology.

WOS KeywordWaste-water Treatment ; Hydrogen-peroxide ; Catalyzed Oxidation ; Phenol Degradation ; Uv/peracetic Acid ; Free-radicals ; Bisphenol-a ; Fenton ; Iron ; Disinfection
Funding ProjectNational Science Foundation[CHE-1609361]
WOS Research AreaEngineering ; Environmental Sciences & Ecology
WOS SubjectEngineering, Environmental ; Environmental Sciences
Funding OrganizationNational Science Foundation
WOS IDWOS:000498279400036
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Document Type期刊论文
Corresponding AuthorHuang, Ching-Hua
Affiliation1.Georgia Inst Technol, Sch Civil & Environm Engn, Atlanta, GA 30332 USA
2.Peking Univ, Coll Environm Sci & Engn, Beijing 100871, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, Div Environm Technol & Engn, Beijing Engn Res Ctr Proc Pollut Control, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Kim, Juhee,Zhang, Tianqi,Liu, Wen,et al. Advanced Oxidation Process with Peracetic Acid and Fe(II) for Contaminant Degradation[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY,2019,53(22):13312-13322.
APA Kim, Juhee,Zhang, Tianqi,Liu, Wen,Du, Penghui,Dobson, Jordan T.,&Huang, Ching-Hua.(2019).Advanced Oxidation Process with Peracetic Acid and Fe(II) for Contaminant Degradation.ENVIRONMENTAL SCIENCE & TECHNOLOGY,53(22),13312-13322.
MLA Kim, Juhee,et al."Advanced Oxidation Process with Peracetic Acid and Fe(II) for Contaminant Degradation".ENVIRONMENTAL SCIENCE & TECHNOLOGY 53.22(2019):13312-13322.
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