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Author:

Sun Zhirong (Sun Zhirong.) (Scholars:孙治荣) | Li Baohua (Li Baohua.) | Hu Xiang (Hu Xiang.) | Shi Min (Shi Min.) | Hou Qingnan (Hou Qingnan.) | Peng Yongzhen (Peng Yongzhen.) (Scholars:彭永臻)

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EI Scopus SCIE PubMed CSCD

Abstract:

Electrochemical dechlorination of chloroform in neutral aqueous solution was investigated using palladium-loaded electrodes at ambient temperature. Palladium/foam-nickel (Pd/foam-Ni) and palladiuni/polymeric pyrrole film/foam-nickel (Pd/PPy/foam-Ni) composite electrodes which provided catalytic surface for reductive dechlorination of chloroform in aqueous solution were prepared using an electrodepositing method. Scanning electron microscope (SEM) micrographs showed that polymeric pyrrole film modified the electrode-surface characteristics and resulted in the uniform dispersion of needle-shaped palladium particles on foam-Ni supporting electrode. The experimental results of dechlorination indicated that the removal efficiency of chloroform and current efficiency in neutral aqueous solution on Pd/PPy/foam-Ni electrode could be up to 36.8% and 33.0% at dechlorination current of 0.1 mA and dechlorination time of 180 min, which is much higher than that of Pd/foam-Ni electrode.

Keyword:

chloroform electrochemical dechlorination removal efficiency Pd/PPy/foam-Ni electrode Pd/foam-Ni electrode

Author Community:

  • [ 1 ] [Sun Zhirong]Beijing Univ Technol, Key Lab Water Qual Sci & Water Environm Recovery, Beijing 100022, Peoples R China
  • [ 2 ] [Li Baohua]Beijing Univ Technol, Key Lab Water Qual Sci & Water Environm Recovery, Beijing 100022, Peoples R China
  • [ 3 ] [Shi Min]Beijing Univ Technol, Key Lab Water Qual Sci & Water Environm Recovery, Beijing 100022, Peoples R China
  • [ 4 ] [Hou Qingnan]Beijing Univ Technol, Key Lab Water Qual Sci & Water Environm Recovery, Beijing 100022, Peoples R China
  • [ 5 ] [Peng Yongzhen]Beijing Univ Technol, Key Lab Water Qual Sci & Water Environm Recovery, Beijing 100022, Peoples R China
  • [ 6 ] [Hu Xiang]Beijing Univ Chem Technol, Coll Chem Engn, Beijing 100029, Peoples R China

Reprint Author's Address:

  • 彭永臻

    [Peng Yongzhen]Beijing Univ Technol, Key Lab Water Qual Sci & Water Environm Recovery, Beijing 100022, Peoples R China

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Source :

JOURNAL OF ENVIRONMENTAL SCIENCES

ISSN: 1001-0742

Year: 2008

Issue: 3

Volume: 20

Page: 268-272

6 . 9 0 0

JCR@2022

ESI Discipline: ENVIRONMENT/ECOLOGY;

JCR Journal Grade:4

Cited Count:

WoS CC Cited Count: 25

SCOPUS Cited Count: 26

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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