An efficient electrochemical disinfection of E. coli and S. aureus in drinking water using ferrocene–PAMAM–multiwalled carbon nanotubes–chitosan nanocomposite modified pyrolytic graphite electrode
An efficient electrochemical disinfection of E. coli and S. aureus in drinking water using ferrocene–PAMAM–multiwalled carbon nanotubes–chitosan nanocomposite modified pyrolytic graphite electrode
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DOI:
10.1007/s10008-013-2031-5
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发表时间:
2013-02
影响因子:
2.5
通讯作者:
Kun Shang;Zhi-Wen Qiao;Bing Sun;Xianzhong Fan;S. Ai
中科院分区:
文献类型:
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作者:
Kun Shang;Zhi-Wen Qiao;Bing Sun;Xianzhong Fan;S. Ai
This work reported an efficient electrochemical treatment for drinking water disinfection using a pyrolytic graphite electrode modified with ferrocenyl tethered poly(amidoamine) dendrimers–multiwalled carbon nanotubes–chitosan nanocomposite. The influence parameters of electrochemical disinfection ofEscherichia coliandStaphylococcus aureus, such as applied potential and sterilization time, were investigated. Further investigation indicated that almost all (99.99 %) of the initial bacteria were killed after applying a low potential of 0.4 V for 10 min. During the electrochemical disinfection process, the oxidized form of ferrocene was formed on electrode, which played a key role in the disinfection towardsE.coliandS.aureus. Hence, the proposed method may provide potential application for the disinfection of drinking water.FigureSchematic diagram of electrochemical disinfection progress