Towards application of a covalent organic framework-silver nanoparticles@sand heterostructure as a high-efficiency catalyst for flow-through reduction of organic pollutants
Pan, Fei1,2,4; Xiao, Fengyan3; Wang, Ning1,2,5
发表期刊APPLIED SURFACE SCIENCE
ISSN0169-4332
2021-11-01
卷号565页码:9
关键词Flow-through Covalent organic frameworks Organic pollutants Catalyst Application Silver nanoparticles
DOI10.1016/j.apsusc.2021.150580
通讯作者Wang, Ning(nwang@yic.ac.cn)
英文摘要Noble metal nanoparticles supported by covalent organic frameworks (COFs) exhibited excellent catalytic performances towards organic pollutants, while their applications are limited by the recovery and reuse from the mixture due to their small size. Here, we solved this issue by supporting covalent organic framework-silver nanoparticles on sand and used as a catalyst for reduction of organic pollutants. Both static and flow-through experiments were carried out and good catalytic performances were exhibited. High flux (2000 L m(-2)h(-1))/reduction efficiency (more than 99%) towards 4-nitrophenol, Congo red, and methylene blue, were obtained under the flow-through process. Furthermore, after testing 24 h, the reduction efficiency was unaltered and only 0.34 wt% Ag ions were released from the catalyst. Besides the excellent cocatalyst of COF and the stable structure of our prepared catalyst, these good catalytic performances can be also attribute to the properties of sand which has a large size to prevent the leaching out of catalysts and a good hydrophilicity for fast passing through of wastewater. Therefore, our prepared catalyst may shed light on the application of such kinds of heterogeneous catalysts for the fast and continuous treatment of toxic and carcinogenic organic pollutants.
资助机构National Natural Science Foundation of China ; Key Science and Technology Program of Yantai City ; Shandong Key Laboratory of Coastal Environmental Processes, YICCAS
收录类别SCI
语种英语
关键词[WOS]MONTMORILLONITE
研究领域[WOS]Chemistry ; Materials Science ; Physics
WOS记录号WOS:000681182500003
引用统计
被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/29601
专题中国科学院海岸带环境过程与生态修复重点实验室_海岸带环境工程技术研究与发展中心
通讯作者Wang, Ning
作者单位1.Chinese Acad Sci, YICCAS, CAS Key Lab Coastal Environm Proc & Ecol Remediat, Shandong Key Lab Coastal Environm Proc, Yantai 264003, Shandong, Peoples R China
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Res Ctr Coastal Environm Engn & Technol Shandong, Yantai 264003, Shandong, Peoples R China
3.Yantai Vocat Coll, Yantai 264074, Shandong, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Chinese Acad Sci, Ctr Ocean Mega Sci, 7 Nanhai Rd, Qingdao 266071, Peoples R China
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GB/T 7714
Pan, Fei,Xiao, Fengyan,Wang, Ning. Towards application of a covalent organic framework-silver nanoparticles@sand heterostructure as a high-efficiency catalyst for flow-through reduction of organic pollutants[J]. APPLIED SURFACE SCIENCE,2021,565:9.
APA Pan, Fei,Xiao, Fengyan,&Wang, Ning.(2021).Towards application of a covalent organic framework-silver nanoparticles@sand heterostructure as a high-efficiency catalyst for flow-through reduction of organic pollutants.APPLIED SURFACE SCIENCE,565,9.
MLA Pan, Fei,et al."Towards application of a covalent organic framework-silver nanoparticles@sand heterostructure as a high-efficiency catalyst for flow-through reduction of organic pollutants".APPLIED SURFACE SCIENCE 565(2021):9.
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