1. Photocatalytic NOx abatement: Recent advances and emerging trends in the development of photocatalysts
- Author
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Changlei Xia, Quyet Van Le, Thi Thu Le, Thi Thanh Nhi Le, Dai-Viet N. Vo, Doyeon Heo, Soo Young Kim, Ba Son Nguyen, Mohammadreza Shokouhimehr, Quang Thang Trinh, Su Shiung Lam, Chinh Chien Nguyen, Van-Huy Nguyen, Quang Viet Ly, and Chao-Wei Huang
- Subjects
Renewable Energy, Sustainability and the Environment ,business.industry ,Photocatalytic decomposition ,020209 energy ,Strategy and Management ,05 social sciences ,Selective catalytic reduction ,02 engineering and technology ,Building and Construction ,Industrial and Manufacturing Engineering ,Reaction temperature ,050501 criminology ,0202 electrical engineering, electronic engineering, information engineering ,Photocatalysis ,Environmental science ,Process engineering ,business ,NOx ,0505 law ,General Environmental Science - Abstract
The abatement of NOx emission, which is one of the most critical global environmental issues, is traditionally addressed using risky and costly approaches that require high reaction temperatures. To counter this drawback, much attention has been directed at the development of photocatalytic NOx abatement techniques, including photocatalytic oxidation, photocatalytic decomposition, and photo-selective catalytic reduction (photo-SCR), as they allow one to reduce the reaction temperature and increase conversion efficiency. Therefore, photocatalyst design is of crucial importance for the development of next-generation NOx abatement technologies. This review rationally summarizes and discusses recent progress in photocatalytic NOx abatement, highlighting catalyst type, removal pathway, and parameters governing the removal efficiency for each approach as well as considering strategies for the advancement of photocatalysts featuring high catalytic activities at low reaction temperatures for each process. Finally, the remaining challenges obstacles and directions for the future development of photocatalytic NOx abatement are provided.
- Published
- 2020
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