UV Irradiation Chlorine Dioxide Photocatalytic Oxidation of Simulated Fuchsine Wastewater by UV-Vis and Online FTIR Spectrophotometric Method | Zendy

Laishun Shi | Zendy; Xiaomei Wang | Zendy; Na Li | Zendy; Chunlei Huai | Zendy; Jie Liu | Zendy

Open Access

UV Irradiation Chlorine Dioxide Photocatalytic Oxidation of Simulated Fuchsine Wastewater by UV-Vis and Online FTIR Spectrophotometric Method

Author(s) -

Laishun Shi,

Xiaomei Wang,

Na Li,

Chunlei Huai,

Jie Liu

Publication year - 2012

Publication title -

isrn analytical chemistry

Language(s) - English

Resource type - Journals

eISSN - 2090-732X

pISSN - 2090-7311

DOI - 10.5402/2012/951465

Subject(s) - photocatalysis , chlorine dioxide , fourier transform infrared spectroscopy , chemistry , titanium dioxide , degradation (telecommunications) , nuclear chemistry , advanced oxidation process , irradiation , chlorine , benzene , materials science , catalysis , inorganic chemistry , chemical engineering , organic chemistry , telecommunications , physics , computer science , nuclear physics , engineering , metallurgy

The photocatalyst TiO2/SiO2 was prepared and used for chlorine dioxide photocatalytic oxidation of simulated fuchsine wastewater under UV irradiation. The removal efficiency of fuchsine treated by photocatalytic oxidation process is higher than that of chemical oxidation process. By using UV-Vis and online FTIR analysis technique, the intermediates during the degradation process were obtained. The benzene ring in fuchsine was degraded into quinone and carboxylic acid and finally changed into carbon dioxide and water during the photocatalytic oxidation. The degradation reaction mechanism of fuchsine by UV irradiation chlorine dioxide photocatalytic oxidation was proposed based upon the experiment evidence.

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