DOI: 10.1016/j.watres.2018.06.029
Scopus记录号: 2-s2.0-85053045051
论文题名: Transformation of bisphenol AF and bisphenol S by manganese dioxide and effect of iodide
作者: Li J. ; Pang S.Y. ; Zhou Y. ; Sun S. ; Wang L. ; Wang Z. ; Gao Y. ; Yang Y. ; Jiang J.
刊名: Water Research
ISSN: 431354
出版年: 2018
卷: 143 起始页码: 47
结束页码: 55
语种: 英语
英文关键词: Bisphenol AF (BPAF)
; Bisphenol S (BPS)
; Bisphenols
; Iodide (I−)
; Iodinated aromatic products
; Manganese dioxide (MnO2)
Scopus关键词: Phenols
; Bisphenol AF
; Bisphenol s
; Iodinated aromatic products
; Manganese dioxide
; Naturally occurring
; One-electron oxidation
; Relative contribution
; Transformation efficiency
; Manganese oxide
; acceleration
; electron
; hydrolysis
; iodide
; manganese oxide
; oxidation
; phenolic compound
; polymer
; transformation
英文摘要: In this work, transformation of bisphenol A (BPA) alternatives bisphenol AF (BPAF) and bisphenol S (BPS) by manganese dioxide (MnO2) and the effect of iodide (I−) during these processes were investigated in comparison with BPA for the first time. These three bisphenols showed appreciable reactivity towards MnO2 with the half-lives of their loss following the order of BPA < BPAF < BPS under similar conditions, and a higher transformation efficiency was generally obtained at a lower pH. The presence of I− apparently accelerated the transformation of BPAF and BPS by MnO2 at pH ≤ 7 but negligibly affected BPA transformation over the pH range of 5–9. This discrepancy could be well explained by the relative contribution of hypoiodous acid (HOI) in situ formed from I− oxidation by MnO2. Polymers, hydroxylated derivatives, and bond-cleavage products were detected from BPAF and BPS treated by MnO2, where a series of reactions of BPAF/BPS radicals formed from one-electron oxidation of BPAF/BPS were likely involved, similar to the case of BPA reported in literature. A group of iodinated aromatic products were additionally identified from BPAF/BPS treated by MnO2 in the presence of I− (e.g., iodinated BPAF/BPS and iodinated BPAF/BPS dimers), and they could be further transformed. This study suggests that naturally occurring manganese oxides play a significant role in the attenuation of bisphenols released into the environment and the presence of I− can display a great effect on their transformation. © 2018 Elsevier Ltd Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/112544
Appears in Collections: 气候减缓与适应
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作者单位: State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin, 150090, China; School of Municipal and Environmental Engineering, Jilin Jianzhu University, Changchun, 130118, China; School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou, 510006, China
Recommended Citation:
Li J.,Pang S.Y.,Zhou Y.,et al. Transformation of bisphenol AF and bisphenol S by manganese dioxide and effect of iodide[J]. Water Research,2018-01-01,143