Photocatalytic degradation of sulfamethoxazole in aqueous solution using a floating TiO2-expanded perlite photocatalyst

被引：149

作者：

Diugosz, Maciej ^{[1
]}

Zmudzki, Pawel ^{[2
]}

Kwiecien, Anna ^{[2
]}

Szczubialka, Krzysztof ^{[1
]}

Krzek, Jan ^{[2
]}

Nowakowska, Maria ^{[1
]}

机构：

[1] Jagiellonian Univ, Fac Chem, PL-30060 Krakow, Poland

[2] Jagiellonian Univ, Coll Med, Fac Pharm, PL-30688 Krakow, Poland

来源：

JOURNAL OF HAZARDOUS MATERIALS | 2015年 / 298卷

关键词：

Sulfamethoxazole; Antibiotic; Titanium dioxide; Expanded perlite; Floating photocatalyst; Photocatalytic degradation; CONTINUOUS-FLOW PHOTOREACTOR; TIO2; PHOTOCATALYSIS; AQUATIC ENVIRONMENT; SULFA DRUGS; ANTIBIOTIC SULFAMETHOXAZOLE; O-NITROBENZALDEHYDE; HYDROXYL RADICALS; KINETICS; WATER; MINERALIZATION;

D O I：

10.1016/j.jhazmat.2015.05.016

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Photocatalytic degradation of an antibiotic, sulfamethoxazole (SMX), in aqueous solution using a novel floating TiO2-expanded perlite photocatalyst (EP-TiO2-773) and radiation from the near UV spectral range was studied. The process is important considering that SMX is known to be a widespread and highly persistent pollutant of water resources. SMX degradation was described using a pseudo-first-order kinetic equation according to the Langmuir-Hinshelwood model. The products of the SMX photocatalytic degradation were identified. The effect of pH on the kinetics and mechanism of SMX photocatalytic degradation was explained. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：146 / 153

页数：8

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