Effective activation of peroxymonosulfate with natural manganese-containing minerals through a nonradical pathway and the application for the removal of bisphenols
文献类型：期刊论文
| 作者 | Wang, Lihong; Xu, Haodan; Jiang, Ning ; Pang, Suyan; Jiang, Jin; Zhang, Tao
|
| 刊名 | JOURNAL OF HAZARDOUS MATERIALS
 |
| 出版日期 | 2021-09-05 |
| 卷号 | 417页码:- |
| 关键词 | Peroxymonosulfate Natural manganese-containing minerals Bisphenols Nonradical mechanism Transformation pathway |
| ISSN号 | 0304-3894 |
| 英文摘要 | Synthetic manganese oxides had been widely investigated to activate peroxymonosulfate (PMS) for contaminant removal in recent years. The generation of reactive oxygen species (ROS, e.g., radicals) was believed to be the primary PMS activation pathways. In this work, we report that natural manganese-containing minerals (NMMs) were also effective for PMS activation to degrade bisphenols in water. Moreover, a nonradical pathway different from literatures, was confirmed according to scavenging tests, electron paramagnetic resonance (EPR) characterization, chemical probing, solvent exchange, and Raman and electrochemical analysis. It was verified that PMS complexed with the mineral surface via inner-sphere interaction. This surface interaction improved its reactivity towards the probe compounds, bisphenols. Taking bisphenol AF (BPAF) as an example, its degradation rate was related to surface area and dosages of the mineral. Water constituents such as Cl-, HCO3 -, and NOM had negligible impact on BPAF removal. The activity of the mineral was kept in an 80-hour continuous flow test. The PMS/NMM coupled oxidation degraded BPAF through direct electron transfer, and the degradation intermediates further underwent hydroxylation, bond cleavage, H-atom substitution, aromatic ring-opening, and decarboxylation. Consequently, eco-toxicity of BPAF can be reduced during the oxidation. |
| WOS研究方向 | Engineering, Environmental ; Environmental Sciences |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/45931]  |
| 专题 | 生态环境研究中心_环境水质学国家重点实验室 |
| 作者单位 | 1.Jilin Jianzhu Univ, Sch Municipal & Environm Engn, Minist Educ, Key Lab Songliao Aquat Environm, Changchun 130118, Peoples R China 2.Harbin Inst Technol, Sch Environm, State Key Lab Urban Water Resource & Environm, Harbin 150090, Peoples R China 3.Chinese Acad Sci, Res Ctr Ecoenvironm Sci RCEES, Beijing 100085, Peoples R China 4.Guangdong Univ Technol, Inst Environm & Ecol Engn, Guangzhou 510006, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, Lihong,Xu, Haodan,Jiang, Ning,et al. Effective activation of peroxymonosulfate with natural manganese-containing minerals through a nonradical pathway and the application for the removal of bisphenols[J]. JOURNAL OF HAZARDOUS MATERIALS,2021,417:-. |
| APA | Wang, Lihong,Xu, Haodan,Jiang, Ning,Pang, Suyan,Jiang, Jin,&Zhang, Tao.(2021).Effective activation of peroxymonosulfate with natural manganese-containing minerals through a nonradical pathway and the application for the removal of bisphenols.JOURNAL OF HAZARDOUS MATERIALS,417,-. |
| MLA | Wang, Lihong,et al."Effective activation of peroxymonosulfate with natural manganese-containing minerals through a nonradical pathway and the application for the removal of bisphenols".JOURNAL OF HAZARDOUS MATERIALS 417(2021):-. |
入库方式： OAI收割
来源：生态环境研究中心
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