Sonocatalytic performance of Bi2WO6 nanoparticles for degradation of tetracycline antibiotics

被引：10

作者：

Teng, Jun ^{[1
]}

Xiong, Saisai ^{[1
]}

Li, Feng ^{[1
,2
]}

Wang, Shubo ^{[2
]}

Li, Taohai ^{[1
,2
]}

机构：

[1] Xiangtan Univ, Coll Chem, Key Lab Environm Friendly Chem & Applicat, Minist Educ, Xiangtan 411105, Peoples R China

[2] Univ Oulu, Fac Sci, Nano & Mol Syst Res Unit, POB 3000, FIN-90014 Oulu, Finland

来源：

APPLIED CATALYSIS O: OPEN | 2024年 / 191卷

基金：

中国国家自然科学基金;

关键词：

Sonocatalysts; Hydrothermal; Tetracycline; Bi2WO6; nanoparticles; ENHANCED PHOTOCATALYTIC ACTIVITY; RHODAMINE-B; HIERARCHICAL BI2WO6; WASTE-WATER; REMOVAL; HETEROSTRUCTURE; FABRICATION; PARTICLES; COMPOSITE; MECHANISM;

D O I：

10.1016/j.apcato.2024.206957

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this study, Bi2WO6 nanoparticles have been synthesized successfully via a facile hydrothermal method. The structure and morphology of Bi2WO6 materials were characterized by XRD, SEM, HRTEM, XPS, and UV-vis DRS. The sonocatalytic activities of Bi2WO6 catalysts were placed in a sono-reactor (40 kHz and 200 W) to investigate the degradation of tetracycline antibiotics. The effects of parameters including the ultrasonic power, the catalyst dosage, the initial tetracycline concentration, the pH values and the presence of anions and ions in the environment on the sonocatalytic degradation of tetracycline (TC) were studied to optimize the sonocatalytic performance. Among all samples, sample E3 showed the best sonocatalytic activity (around 97%) on the degradation of TC within 120 min in optimum conditions. A potentially sonocatalytic mechanism was put forward based on the free radical entrapping experiment

引用

页数：9

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