Fabrication of black TiO2-x/CuFe2O4 decorated on diatomaceous earth with enhanced sonocatalytic activity for ibuprofen mitigation

Wu Qiong; Zhang Zhaohong

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Fabrication of black TiO2-x/CuFe2O4 decorated on diatomaceous earth with enhanced sonocatalytic activity for ibuprofen mitigation

机译：制造的黑色TiO2-x / CuFe2O4装饰与增强sonocatalytic硅藻土活动布洛芬缓解

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This study reports facile fabrication of black TiO2-x/CuFe2O4 (Ti3+ self-doped titania coupled with copper ferrite), an efficient sonocatalyst for ibuprofen (IBP) mitigation. Compared with TiO2-x or CuFe2O4, the TiO2-x/CuFe2O4 heterojunction displayed enhanced sono-oxidation performance, and their immobilization onto diatomaceous earth (DE) further increased the oxidation rate. The effects of various parameters on sono-oxidation efficiency were studied, such as pH, IBP concentration, catalyst dosage, co-existing microplastics and chemicals, ultrasonic power and frequency, and introduction of persulfate. Quenching tests demonstrated the roles of reactive species. The intermediates during IBP sono-oxidation were determined by the HPLC-MS method, and the acute toxicity was studied. Furthermore, the reaction mechanism was proposed. The sonocatalyst revealed excellent reusability, suggesting that it is promising for wastewater treatment.

机译：本研究报告简单制造的黑色TiO2-x / CuFe2O4 (Ti3 + self-doped二氧化钛耦合铜铁素体),一个有效sonocatalyst布洛芬(IBP)缓解。TiO2-x或CuFe2O4 TiO2-x / CuFe2O4异质结显示增强sono-oxidation性能,及其固定到硅藻土(DE)进一步增加了氧化率。sono-oxidation效率进行了研究,等pH值、IBP浓度、催化剂用量,塑料微粒和化学物质共存,超声波功率和频率,介绍过硫酸盐。活性物种的角色。IBP sono-oxidation期间决定的HPLC-MS方法,急性毒性研究。建议。可重用性,这表明它是有前途的废水处理。

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《Catalysis science & technology》 |2020年第23期|7922-7939|共18页
作者
Wu Qiong; Zhang Zhaohong;
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作者单位

Liaoning Univ, Coll Environm, Shenyang 110036, Peoples R China;

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原文格式 PDF
正文语种英语
中图分类汉语教学;
关键词
black; sewage treatment; Oxidation rateIbuprofenReaction Mechanismsfabricationacute toxicitydiatomite;

机译：黑色,污水处理,氧化rateIbuprofenReaction Mechanismsfabricationacutetoxicitydiatomite;

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机译：Black TiO2-X / NiFe2O4的制作支持硅藻土的增强Sonocatalytic Activity对布洛芬缓解的增强
6. Fabrication of black TiO2-x/CuFe2O4 decorated on diatomaceous earth with enhanced sonocatalytic activity for ibuprofen mitigation (Retraction of Vol 10, Pg 7922, 2020) [J] . Wu Qiong, Zhang Zhaohong Catalysis science & technology . 2021,第20期

机译：制造的黑色TiO2-x / CuFe2O4装饰与增强sonocatalytic硅藻土布洛芬减灾活动(收缩10卷,7922 Pg, 2020)

Fabrication of black TiO2-x/CuFe2O4 decorated on diatomaceous earth with enhanced sonocatalytic activity for ibuprofen mitigation

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