Pivotal roles of N-doped carbon shell and hollow structure in nanoreactor with spatial confined Co species in peroxymonosulfate activation: Obstructing metal leaching and enhancing catalytic stability
文献类型：期刊论文
| 作者 | Wu, Zelin; Xiong, Zhaokun; Liu, Rui ; He, Chuanshu; Liu, Yang; Pan, Zhicheng; Yao, Gang; Lai, Bo
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| 刊名 | JOURNAL OF HAZARDOUS MATERIALS
 |
| 出版日期 | 2022-04-05 |
| 卷号 | 427期号:0页码:128204 |
| ISSN号 | 0304-3894 |
| 关键词 | ORGANIC FRAMEWORK POROUS CARBON HETEROGENEOUS ACTIVATION EFFICIENT DEGRADATION SINGLET OXYGEN BISPHENOL-A OXIDATION NITROGEN PERFORMANCE PERSULFATE |
| 英文摘要 | Metal leaching and catalytic stability are the key issues in Fenton-like reaction. Herein, a hollow yolk-shell nanoreactor (HYSCN) with shell confined Co species was fabricated for peroxymonosulfate (PMS) activation to degrade carbamazepine (CBZ). The uniform Co nanoparticles were completely anchored in a hollow void, further confined by a porous N-doped carbon shell. The unique construction significantly reduces Co species leaching in PMS activation and enhances catalytic stability. Co leaching came from HYSCN dropped by almost fourfold compared to CN-8 without shell confined (0.403 mg/L to 0.120 mg/L). The catalytic stability is also greatly improved, confirming the dominant role of heterogeneous catalysis in the HYSCN/PMS system. HYSCN exhibits excellent catalytic performance compared to a solid structure (SCSCN), demonstrating the significance of hollow structures. Mechanism study found that HO center dot, SO4 center dot- and O-1(2) induced in HYSCN/PMS system and the relative contributions were distinguished and quantified by stoichiometric methods. The UPLC-Q-TOF-MS/MS was used to identify the CBZ degraded intermediate products and the possible degradation pathway was proposed. This study will provide theoretical guidance for reducing metal leaching and improving catalytic stability in the PMS activation. |
| 源URL | [https://ir.rcees.ac.cn/handle/311016/47602]  |
| 专题 | 生态环境研究中心_环境化学与生态毒理学国家重点实验室 |
| 通讯作者 | Xiong, Zhaokun |
| 作者单位 | 1.Sichuan Univ, Sino German Ctr Water & Hlth Res, Chengdu 610065, Peoples R China 2.Sichuan Univ, Coll Architecture & Environm, State Key Lab Hydraul & Mt River Engn, Chengdu 610065, Peoples R China 3.Haitian Water Grp, Water Safety & Water Pollut Control Engn Technol, Chengdu, Peoples R China 4.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Environm Chem & Ecotoxicol, Beijing 100085, Peoples R China 5.Sichuan Univ, Yibin Inst Ind Technol, Yibin, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wu, Zelin,Xiong, Zhaokun,Liu, Rui,et al. Pivotal roles of N-doped carbon shell and hollow structure in nanoreactor with spatial confined Co species in peroxymonosulfate activation: Obstructing metal leaching and enhancing catalytic stability[J]. JOURNAL OF HAZARDOUS MATERIALS,2022,427(0):128204. |
| APA | Wu, Zelin.,Xiong, Zhaokun.,Liu, Rui.,He, Chuanshu.,Liu, Yang.,...&Lai, Bo.(2022).Pivotal roles of N-doped carbon shell and hollow structure in nanoreactor with spatial confined Co species in peroxymonosulfate activation: Obstructing metal leaching and enhancing catalytic stability.JOURNAL OF HAZARDOUS MATERIALS,427(0),128204. |
| MLA | Wu, Zelin,et al."Pivotal roles of N-doped carbon shell and hollow structure in nanoreactor with spatial confined Co species in peroxymonosulfate activation: Obstructing metal leaching and enhancing catalytic stability".JOURNAL OF HAZARDOUS MATERIALS 427.0(2022):128204. |
入库方式： OAI收割
来源：生态环境研究中心
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