期刊
WATER RESEARCH
卷 36, 期 13, 页码 3323-3329出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0043-1354(02)00040-4
关键词
p-nonylphenol; voltammetric techniques; electropolymerization; carbon fiber electrode; electrochemical removal
p-Nonylphenol, which is widely used as raw material in industrial activities has been regarded as an environmental endocrine disrupter. In an effort to develop a new treatment method for p-nonylphenol, we initially investigated the electrochemical behavior of p-nonylphenol by voltammetric techniques. The electrochemical oxidation of p-nonylphenol led to the formation of electropolymerized film on the glassy carbon electrode surface. The fouling on the electrode surface by the electropolymerized film was evaluated by monitoring the electrode response of ferrocyanide ions as the redox marker. The electrochemical removal of p-nonylphenol based on the formation of the electropolymerized film on an anode surface was performed using a carbon fiber (CF) with a very large surface area. The high removal efficiency for p-nonylphenol was obtained by applying a potential at 0.7V. The maximum surface coverage of electropolymerized p-nonylphenol on the CF was about 5 x 10(-9) Mol/cm(2). The presence of humic acid hardly inhibited the removal of p-nonylphenol. Furthermore, the application to the removal of phenol, o-chlorophenol, p-chlorophenol, 2,4-dichlorophenol. and 2,4,5-trichlorophenol was attempted by using this method. (C) 2002 Elsevier Science Ltd. All rights reserved.
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