Surface Modification of BiVO4 Using (3-Aminopropyl) Triethoxysilane and Study of the Photocatalytic Properties and Process Optimization

IF 1.4 Q3 CHEMISTRY, MULTIDISCIPLINARY

Physical Chemistry Research Pub Date : 2021-06-01 DOI:10.22036/PCR.2021.248702.1835

Ali Mostajabi Gonabad, R. Fazaeli, I. Naser, Hassan Pahlavan Zadeh

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引用次数: 1

Abstract

This research examined the photocatalytic degradation of oily pollutant, BiVO4 with efficient photocatalytic activities synthesized via hydrothermal method with its surface modified by (3- aminopropyl) triethoxysilane (APTES). The structural, morphological, and optical properties of the as synthesized samples were evaluated by X-ray powder diffraction (XRD), Scanning Electron Microscopy (SEM), Energy-dispersive X-ray spectroscopy (EDS), contact angle (CA), Thermo Gravimetric Analysis )TGA(, Fourier-transform infrared spectroscopy (FT-IR), UV-vis diffuse reflectance spectroscopy (DRS), and Analysis Brunauer–Emmett–Teller (BET). The photocatalytic efficiency of the prepared samples was evaluated by Kerosine degradation. The experiments were designed by the Box-Behnken method. Finally, the software is the best point for achieving the highest percentage of degradation of oily pollutant under optimal conditions with pollutant concentration of 436.32 (ppm), time of 2.62 (h), catalyst mass of 0.77 (g), and H2O2 concentration of 0.42 (M).

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(3-氨基丙基)三乙氧基硅烷对BiVO4的表面改性、光催化性能及工艺优化研究

本研究考察了（3-氨基丙基）三乙氧基硅烷（APTES）表面改性水热法合成的具有高效光催化活性的油性污染物BiVO4的光催化降解性能。通过X射线粉末衍射（XRD）、扫描电子显微镜（SEM）、能谱仪（EDS）、接触角（CA）、热重分析（Thermo Gravitic Analysis）TGA（、傅立叶变换红外光谱（FT-IR）、紫外-可见漫反射光谱（DRS），和分析Brunauer–Emmett–Teller（BET）。通过煤油降解评价了制备的样品的光催化效率。实验采用Box-Behnken方法设计。最后，在污染物浓度为436.32（ppm）、时间为2.62（h）、催化剂质量为0.77（g）、H2O2浓度为0.42（M）的最佳条件下，该软件是实现油性污染物最高降解率的最佳点。

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来源期刊

Physical Chemistry Research CHEMISTRY, MULTIDISCIPLINARY-

CiteScore

2.70

自引率

8.30%

发文量

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