Mechanisms underlying the photocatalytic degradation pathway of ciprofloxacin with heterogeneous TiO2

被引：385

作者：

Hu, Xi ^{[1
]}

Hu, Xinjiang ^{[1
]}

Peng, Qingqing ^{[2
]}

Zhou, Lu ^{[3
]}

Tan, Xiaofei ^{[4
]}

Jiang, Luhua ^{[5
]}

Tang, Chunfang ^{[1
]}

Wang, Hui ^{[1
]}

Liu, Shaoheng ^{[6
]}

Wang, Yaqin ^{[7
]}

Ning, Ziqi ^{[1
]}

机构：

[1] Cent South Univ Forestry & Technol, Coll Environm Sci & Engn, Changsha 410004, Hunan, Peoples R China

[2] Environm Monitoring Ctr Hunan Prov, Changsha 410004, Hunan, Peoples R China

[3] Changsha Univ Sci & Technol, Sch Hydraul Engn, Changsha 410114, Hunan, Peoples R China

[4] Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China

[5] Cent South Univ, Sch Minerals Proc & Bioengn, Changsha 410004, Hunan, Peoples R China

[6] Hunan Univ Arts & Sci, Coll Chem & Mat Engn, Changde 415000, Hunan, Peoples R China

[7] Hunan Univ Design Inst Co, Changsha 410004, Hunan, Peoples R China

来源：

CHEMICAL ENGINEERING JOURNAL | 2020年 / 380卷

基金：

中国国家自然科学基金;

关键词：

Ciprofloxacin; Heterogeneous TiO2; Photocatalytic degradation; Intermediates; Toxicological assessment; PHOTO-TRANSFORMATION PRODUCTS; WATER TREATMENT-PLANT; VISIBLE-LIGHT; ANTIBIOTIC-RESISTANCE; ANTIMICROBIAL ACTIVITY; ORGANIC-COMPOUNDS; RIVER WATER; KINETICS; PHOTODEGRADATION; NANOPARTICLES;

D O I：

10.1016/j.cej.2019.122366

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The presence of antibiotics in different water sources is a ubiquitous, global concern. The persistence of trace amounts of antibiotics can lead to antibiotic resistance of microbial pathogens and jeopardize the health of ecosystems. One possible solution is the photocatalytic degradation of antibiotics from water systems by titanium dioxide (TiO2) photocatalysis. In recent years, heterogeneous TiO2 has been examined for the photocatalytic degradation of ciprofloxacin (CIP) under UV/visible light irradiation. This review offers an overview of the recent advances in visible light-activated TiO2 for the photocatalytic degradation of CIP and the factors impacting the photocatalytic behavior. In particular, we focused on the structural elucidation of reaction intermediates, and we aimed to determine research gaps in the utilization of visible light-activated TiO2 for water treatment. Future research directions, including the ecotoxicological effect of the photocatalytic degradation intermediates, the thermodynamical and kinetic mechanisms of the photocatalytic degradation process, and future applications of heterogeneous TiO2 photocatalysts, are also proposed.

引用

页数：11

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