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A nitrogen functionalized carbon nanotube cathode for highly efficient electrocatalytic generation of H2O2 in Electro-Fenton system

Zhang, X ; Fu, J ; Zhang, Y ; Lei, L

Separation and Purification Technology, 11/20/2008, Vol.64(1), pp.116-123 [Tạp chí có phản biện]

ISSN: 13835866 ; DOI: http://dx.doi.org/10.1016/j.seppur.2008.07.020

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  • Nhan đề:
    A nitrogen functionalized carbon nanotube cathode for highly efficient electrocatalytic generation of H2O2 in Electro-Fenton system
  • Tác giả: Zhang, X ; Fu, J ; Zhang, Y ; Lei, L
  • Chủ đề: Cathodes ; Pyridines ; Carbon ; Hydrogen Peroxide ; Hybrids ; Electrodes ; Purification ; Electron Transfer ; Nitrogen ; Waste Treatment & Pollution Clean-Up ; Microbial Degradation
  • Là 1 phần của: Separation and Purification Technology, 11/20/2008, Vol.64(1), pp.116-123
  • Mô tả: To improve the production efficiency of H sub(2)O sub(2) in Electro-Fenton system, the nitrogen functionalized carbon nanotube (NCNT) electrode was prepared. NCNT was obtained by nitrogen functionalization of carbon nanotube (CNT) by pulsed high voltage discharge in a gas-liquid hybrid reactor. It was found that nitrogen functionalities were pyridine, pyrrol and quaternary species. H sub(2)O sub(2) formation rate on the CNT electrode was greatly improved by the presence of nitrogen functionalities due to the acceleration of electron transfer of O sub(2) reduction. For the Electro-Fenton degradation of methyl orange, the NCNT electrode showed faster removal of methyl orange when compared to the CNT electrode. The repeatability test suggested that the stability of the NCNT electrode was very good. NCNT is a promising cathode material for the Electro-Fenton system.
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 13835866 ; DOI: http://dx.doi.org/10.1016/j.seppur.2008.07.020

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