期刊
CARBOHYDRATE POLYMERS
卷 223, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2019.115081
关键词
Xylan/PVA/TiO2 composite; Photocatalytic degradation; Decolorization rates
资金
- National Natural Science Foundation of China [31570566, 31500489, 31800499, 31600472]
- Natural Science Foundation of Shandong [ZR2017LEM009, ZR2018BEM026]
- Key Research and Development Program of Shandong Province [2017GSF17130]
In this study, a xylan/PVA/TiO2 composite was prepared and used for the photocatalytic degradation of dyes in solution. Fourier-transform infrared, X-ray diffraction, and X-ray photoelectron spectroscopic analyses confirmed that the xylan/PVA/TiO2 composite was successfully prepared. Furthermore, the composite was evaluated as a photocatalyst for the photodegradation of ethyl violet and Astrazon Brilliant Red 4G dyes under visible light irradiation. The effects of various experimental parameters on the decolorization rate were investigated. Dye decolorization rates of more than 94% were achieved. The major active radical species for EV and ABR photodegradation was found to be positive holes (h(+)).
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