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Preparation of aerochitin-TiO2 composite for efficient photocatalytic degradation of methylene blue

机译:亚甲基蓝有效光催化降解的Aerochitin-TiO2复合材料的制备

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摘要

An aerochitin-titania (TiO2) composite was successfully synthesized and characterized by Fourier transform infrared spectroscopy, X-ray diffraction, thermogravimetric analysis, field emission scanning electron microscopy, and N-2 adsorption isotherms. The photocatalytic activity of the composite was investigated on the degradation of the model organic pollutant, methylene blue (MB) dye, under UV irradiation. The aerochitin-TiO2 composite showed excellent adsorptive and photocatalytic activity with a degradation degree of 98% for MB. The first-order rate constants for the photodegradation MB by TiO2 nanoparticles and aerochitinTiO(2) composite were found to be (3.49 +/- 0.04) x 10(-3) and (1.82 +/- 0.02) x 10(-2) min(-1). (C) 2017 Wiley Periodicals, Inc.
机译:通过傅里叶变换红外光谱,X射线衍射,热重分析,场发射扫描电子显微镜和N-2吸附等温线,成功地合成并表征了傅立叶型二氧化钛(TiO 2)复合材料。 在UV辐射下研究了模型有机污染物,亚甲基蓝(MB)染料的模型有机污染物,亚甲基蓝(MB)染料的降解的光催化活性。 Aerochitin-TiO2复合物显示出优异的吸附和光催化活性,Mb的降解程度为98%。 通过TiO2纳米颗粒和AerochitinItiO(2)复合物的光致脱落MB的一阶速率常数是(3.49 +/- 0.04)×10(-3)和(1.82 +/- 0.02)×10(-2) min(-1)。 (c)2017 Wiley期刊,Inc。

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