화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.32, 201-210, December, 2015
DOI10.1016/j.jiec.2015.08.017  Export Citation
Photocatalytic degradation of bisphenol A in the presence of C-doped ZnO: Effect of operational parameters and photodegradation mechanism
Olfa Bechambi†, Sami Sayadi1, and Wahiba Najjar
  • Universite de Tunis El Manar, Faculte des Sciences de Tunis, Laboratoire de Chimie des Materiaux et Catalyse, 2092 Tunis, Tunisia
  • 1Laboratoire de Bioprocedes Environnementaux, Centre de Biotechnologie de Sfax, B.P. 1177, 3018 Sfax, Tunisia
E-mail:
C-doped ZnO with different molar ratio of carbon content were synthesized by hydrothermal method. The samples were characterized by X-ray diffraction, nitrogen physisorption, Raman spectroscopy, Fourier transformed infrared, UV-vis diffuse reflectance spectroscopy, and photoluminescence spectra. The C-doped ZnO catalysts exhibited excellent photoactivity on bisphenol A degradation under UV irradiation in the presence of hydrogen peroxide. Under optimized conditions, C-doped ZnO reached 100% BPA degradation and 70% BPA mineralization after 24 h of UV irradiation. The photocatalytic degradation was found to follow the Langmuir-Hinshelwood kinetic model. Furthermore, the detail degradation mechanism was investigated by the analysis of intermediates.
Keywords:C-doped ZnO;Bisphenol A;Photocatalytic degradation;Mineralization;Degradation mechanism
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