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Can I read Insight into the oxidation of phenolic pollutants by enhanced permanganate with biochar: The role of high-valent manganese intermediate species on EtoBox?
Insight into the oxidation of phenolic pollutants by enhanced permanganate with biochar: The role of high-valent manganese intermediate species by Shiqi Tian; Yulei Liu; Linran Jia; Liquan Tian; Jingyao Qi; Jun Ma; Gang Wen; Lu Wang is a Environmental Science article available to read on EtoBox.
What is Insight into the oxidation of phenolic pollutants by enhanced permanganate with biochar: The role of high-valent manganese intermediate species about?
This work demonstrated that the oxidation of phenolic pollutants by permanganate (KMnO) was effectively enhanced by a commercial biochar. Detailed characterization data indicated that the biochar contains porous structures, amounts of defective sites and abundant redox-active groups. In the presence of biochar, the degradation efficiency of 4-nitrophenol by KMnO surged from 5% to 92% in 180 min, up to 37.8% of total organic carbon (TOC) was removed. Meanwhile, acute toxicity of 4-nitrophenol was greatly reduced. Through analyzing oxidation products of triclosan (TCS) and using methyl phenyl sulfoxide (PMSO) as a chemical probe, high-valent Mn intermediates (i.e. Mn(VI)/Mn(V)) were proved to be the dominant oxidant in the KMnO/biochar system. Quantitative structure-activity relationships (QSARs) were established between oxidation rate constants of various substituted phenols and classical descriptor variables (i.e., Hammett constant σ). KMnO/biochar was found to be less selective to the substituent variation of phenolic compounds compared with O, KFeO, ClO and persulfate/carbon nanotube (PDS/CNT). This work provided a novel catalytic oxidation technology for eliminating phenolic com
Who reads Insight into the oxidation of phenolic pollutants by enhanced permanganate with biochar: The role of high-valent manganese intermediate species?
It is typically read by researchers, students, and practitioners in Environmental Science.
- Author
- Shiqi Tian; Yulei Liu; Linran Jia; Liquan Tian; Jingyao Qi; Jun Ma; Gang Wen; Lu Wang
- Publisher
- Elsevier BV
- Published
- 2022
- Language
- EN
- Field
- Environmental Science (Physical Sciences)