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作者:

Wang, Hexiang (Wang, Hexiang.) | Tang, Chenliu (Tang, Chenliu.) | Wang, Luwei (Wang, Luwei.) | Sun, Zhirong (Sun, Zhirong.) | Hu, Xiang (Hu, Xiang.)

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EI Scopus SCIE

摘要:

A MOF-derived carbon material containing CoFe alloy (Co/Fe@NPC-500) by calcining N-doped Co/Fe bimetallic MOF at a lower temperature was successfully synthesized as a cathode in electro-Fenton process for ceftazidime (CAZ) degradation. The presence of Co could accelerate the transfer of electrons from C atoms of carbon material to Fe, thus increasing the content of low-valent metals in the material, which had been demonstrated by char-acterizations and density functional theory (DFT) calculations. Thanks to the integrity of the MOF structure, the synergistic effect between Fe and Co, Co/Fe@NPC-500 cathode showed efficient removal efficiency for CAZ completely removed within 60 min and obtained a total organic carbon (TOC) removal rate of 52.1% at 90 min. Besides, based on the results of HPLC-MS and DFT calculations, the degradation pathway of CAZ was proposed. This study provides some useful information for the preparation of MOF-derived carbon materials containing low-valent metals for electro-Fenton process.

关键词:

Hydroxyl radical Electro-Fenton reaction Density functional theory Synergistic effect MOF-derived catalyst

作者机构:

  • [ 1 ] [Wang, Hexiang]Beijing Univ Chem Technol, Coll Chem Engn, Res Grp Water Pollut Control & Water Reclamat, Beijing 100029, Peoples R China
  • [ 2 ] [Tang, Chenliu]Beijing Univ Chem Technol, Coll Chem Engn, Res Grp Water Pollut Control & Water Reclamat, Beijing 100029, Peoples R China
  • [ 3 ] [Wang, Luwei]Beijing Univ Chem Technol, Coll Chem Engn, Res Grp Water Pollut Control & Water Reclamat, Beijing 100029, Peoples R China
  • [ 4 ] [Hu, Xiang]Beijing Univ Chem Technol, Coll Chem Engn, Res Grp Water Pollut Control & Water Reclamat, Beijing 100029, Peoples R China
  • [ 5 ] [Sun, Zhirong]Beijing Univ Technol, Fac Environm & Life, Beijing 100124, Peoples R China
  • [ 6 ] [Hu, Xiang]Beijing Univ Chem Technol, Coll Chem Engn, 15 Beisanhuan East Rd, Beijing 100029, Peoples R China

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来源 :

APPLIED CATALYSIS B-ENVIRONMENTAL

ISSN: 0926-3373

年份: 2023

卷: 333

2 2 . 1 0 0

JCR@2022

ESI学科: CHEMISTRY;

ESI高被引阀值:20

被引次数:

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ESI高被引论文在榜: 6 展开所有

  • 2024-11
  • 2024-11
  • 2024-9
  • 2024-9
  • 2024-7
  • 2024-5

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