Development of Surrogate Parameters to Evaluate Micropollutant Abatement and N-Nitrosodimethylamine (NDMA) Formation Reduction by Permanganate Preoxidation
Development of Surrogate Parameters to Evaluate Micropollutant Abatement and N-Nitrosodimethylamine (NDMA) Formation Reduction by Permanganate Preoxidation
复制标题
开发替代参数来评估高锰酸盐预氧化的微污染物减排和 N-亚硝基二甲胺 (NDMA) 形成减少
DOI:
10.1021/acsestengg.2c00108
复制
发表时间:
2022-08
期刊:
影响因子:
--
通讯作者:
Wen Qin
中科院分区:
文献类型:
--
作者:
Yang Song;Ting Chen;Sha Feng;Jianshan Peng;Kai Li;Peiyan Tan;Wen Qin
UV absorbance at 254 nm (UV254) and electron-donating capacity (EDC) abatements were developed as novel surrogate parameters to evaluate the degradation of micropollutants in different water samples after direct permanganate (Mn(VII)) oxidation or Mn(VII) oxidation with filtration. UV254abatement was mainly attributed to the enhanced coagulation effect of manganese oxidation products. EDC was abated more efficiently than UV254because the reaction products of Mn(VII) oxidation by accepting electrons still absorb at 254 nm. UV254and EDC abatements during direct Mn(VII) oxidation were compared to those resulting from other preoxidation processes including ozonation, peroxomonosulfate (PMS) oxidation, and PMS-Fe(II) oxidation. UV254was significantly abated during ozonation with tert-butanol while EDC abatement was notable after direct Mn(VII) oxidation. The humic-like fluorescent value first increased slightly and decreased significantly with increasing Mn(VII) dose. The assimilable organic carbon formation increased during Mn(VII) oxidation with filtration. The relative abatement of selected micropollutants showed good one-phase correlations with UV254or EDC in humic acid solution and lake water and two-phase correlations in groundwater. During Mn(VII) oxidation and filtration of lake water followed by postchloramination,N-nitrosodimethylamine (NDMA) and totalN-nitrosamine formation decreased with increasing specific Mn(VII) dose. NDMA formation abatement correlated well with EDC abatement.
登录
查看更多内容
影响因子:
8.6
作者:
Wen Qin;Peiyan Tan;Yang Song;Zhihong Wang;Jinxu Nie;Jun Ma
通讯作者:
Jun Ma
影响因子:
2.5
作者:
Andrew H. Spangler;J. Spangler
通讯作者:
Andrew H. Spangler;J. Spangler
影响因子:
8.8
作者:
Su-yan Pang;Jie-bin Duan;Yang Zhou;Yuan Gao;Jin Jiang
通讯作者:
Su-yan Pang;Jie-bin Duan;Yang Zhou;Yuan Gao;Jin Jiang
影响因子:
11.4
作者:
Yi Yang;Jin Jiang;Xinglin Lu;Jun Ma;Yongze Liu
通讯作者:
Yi Yang;Jin Jiang;Xinglin Lu;Jun Ma;Yongze Liu
影响因子:
11.4
作者:
Mitch, William A.;Schreiber, I. Marie
通讯作者:
Schreiber, I. Marie