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

Keywords : TiO2; Photocatalysis; Water disinfection; E.coli

주소복사
논문정보   
- 형식: Review Paper
- 게재일: 2017년 04월 (BRIC 등록일 2020-03-19)
- 연구진: 국내(교신)+국외 연구진태극기
- 피인용횟수: 최근 3년간 60회 이상 인용된 논문
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