中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Copper doped Fe-N-C as an excellent Fenton-like catalyst for membrane fouling mitigation against natural organic matters at neutral pH

文献类型:期刊论文

作者Wang, Liang; Wang, Wenyu; Graham, Nigel; Siddique, Muhammad Saboor; Yang, Hankun; Yu, Wenzheng
刊名JOURNAL OF CLEANER PRODUCTION
出版日期2022-02-10
卷号335期号:0页码:130368
关键词ADVANCED OXIDATION PROCESSES WATER-TREATMENT WASTE-WATER HYDROGEN-PEROXIDE PHOTO-FENTON HUMIC ACIDS IN-SITU DEGRADATION REMOVAL IRON
ISSN号0959-6526
英文摘要The presence of humic substances as a component of natural organic matter (NOM) may cause inefficiency towards drinking water treatment processes, especially the membrane fouling during filtration process. Therefore, to enhance the efficiency of the conventional membrane filtration process, several copper doped Fe-N-C bimetallic heterogeneous Fenton-like catalysts (Cux@FeNC) were prepared and evaluated by executing their catalytic degradation performance against NOM. Results indicated that humic acid (HA, 10 mg/L) could be significantly degraded (95%) within 30 min application of Cu5p@FeNC-Fenton under neutral pH, which was relatively higher than of FeNC-Fenton (70%) under identical conditions. The macromolecular organic matters in NOM could be destroyed more effectively while the overall mineralization degree also became relatively higher. Meanwhile, a lower membrane fouling of UF (PES 20 kDa)/NF (DOW 270) and highest flux recovery after backwash were observed with Cu5p@FeNC-Fenton treatments. Characterization and chemical analysis further explored the introduction of Cux in FeNC was responsible for the rapid reactive oxygen species (ROS) generation and efficient degradation of NOM. Additionally, a possible copper-iron synergetic mechanism in Fenton-like system was proposed. This work gives a deep insight into the potential NOM degradation using Fenton-like Cux@FeNC catalysts and ensures the membrane fouling mitigation for effective water treatment processes.
源URL[https://ir.rcees.ac.cn/handle/311016/47682]  
专题生态环境研究中心_环境水质学国家重点实验室
通讯作者Yu, Wenzheng
作者单位1.Tiangong Univ, Sch Environm Sci & Engn, State Key Lab Separat Membrane Proc, Tianjin 300387, Peoples R China
2.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Environm Aquat Chem, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China
3.Imperial Coll London, Dept Civil & Environm Engn, South Kensington Campus, London SW7 2AZ, England
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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GB/T 7714
Wang, Liang,Wang, Wenyu,Graham, Nigel,et al. Copper doped Fe-N-C as an excellent Fenton-like catalyst for membrane fouling mitigation against natural organic matters at neutral pH[J]. JOURNAL OF CLEANER PRODUCTION,2022,335(0):130368.
APA Wang, Liang,Wang, Wenyu,Graham, Nigel,Siddique, Muhammad Saboor,Yang, Hankun,&Yu, Wenzheng.(2022).Copper doped Fe-N-C as an excellent Fenton-like catalyst for membrane fouling mitigation against natural organic matters at neutral pH.JOURNAL OF CLEANER PRODUCTION,335(0),130368.
MLA Wang, Liang,et al."Copper doped Fe-N-C as an excellent Fenton-like catalyst for membrane fouling mitigation against natural organic matters at neutral pH".JOURNAL OF CLEANER PRODUCTION 335.0(2022):130368.

入库方式: OAI收割

来源:生态环境研究中心

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