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TiO2-based photocatalytic disinfection of microbes in aqueous media: A review

Title
TiO2-based photocatalytic disinfection of microbes in aqueous media: A review
Author
김기현
Keywords
TiO2; Photocatalysis; Water disinfection; E.coli
Issue Date
2017-04
Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
Citation
ENVIRONMENTAL RESEARCH, v. 154, page. 296-303
Abstract
The TiO2 based photocatalyst has great potential for the disinfection/inactivation of harmful pathogens (such as E.coli in aqueous media) along with its well-known usefulness on various chemical pollutants. The disinfection property of TiO2 is primarily attributed to surface generation of reactive oxygen species (ROS) as well as free metal ions formation. Furthermore, its disinfection capacity and overall performance can be significantly improved through modifications of the TiO2 material. In this review, we provide a brief survey on the effect of various TiO2 materials in the disinfection of a wide range of environmentally harmful microbial pathogens (e.g., bacteria, fungi, algae, and viruses) in aqueous media. The influencing factors (such as reactor design, water chemistry, and TiO2 modifications) of such processes are discussed along with the mechanisms of such disinfection. It is believed that the combined application of disinfection and decontamination will greatly enhance the utilization of TiO2 photocatalyst as a potential alternative to conventional methods of water purification.
URI
https://www.sciencedirect.com/science/article/pii/S0013935116311756?via%3Dihubhttps://repository.hanyang.ac.kr/handle/20.500.11754/113847
ISSN
0013-9351; 1096-0953
DOI
10.1016/j.envres.2017.01.018
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > CIVIL AND ENVIRONMENTAL ENGINEERING(건설환경공학과) > Articles
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