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- Title
Biopolymer-supported TiO<sub>2</sub> as a sustainable photocatalyst for wastewater treatment: a review.
- Authors
Balakrishnan, Akash; Appunni, Sowmya; Chinthala, Mahendra; Vo, Dai-Viet N.
- Abstract
The rising water pollution by pesticides, pharmaceuticals and dyes is a major health issue calling for advanced remediation methods such as photocatalysis with titanium dioxide (TiO2), yet the use of TiO2 displays issues of aggregation, mass loss, recovery, and reusability. These issues have been recently solved by synthesizing biopolymer-supported photocatalysts using cheap, biodegradable and safe biopolymers such as chitosan, alginate, cellulose, cyclodextrin, guar gum and starch. Here we review biopolymer-supported TiO2 photocatalysts for the removal of organic compounds, with focus on preparation methods, photo and chemical stability, reusability, and adsorptive capacity. We discuss applications of immobilized photocatalysts at the industrial scale.
- Subjects
DEXTRINS; WASTEWATER treatment; CYCLODEXTRINS; PESTICIDE pollution; CHEMICAL stability; BIOPOLYMERS; GUAR gum
- Publication
Environmental Chemistry Letters, 2022, Vol 20, Issue 5, p3071
- ISSN
1610-3653
- Publication type
Article
- DOI
10.1007/s10311-022-01443-8