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Published in:
2021 | OriginalPaper | Chapter
Photooxidation of NO and NO2 with TiO2-Based Materials
Authors : Silvia Suárez, Alberto E. García de Castro, Mario Escobar, Benigno Sánchez
Published in: Recent Advances in Environmental Science from the Euro-Mediterranean and Surrounding Regions (2nd Edition)
Publisher: Springer International Publishing
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Abstract
The high level of NOx in the air of urban areas is a major problem. NO2 is one of the main pollutants found in big cities. Photocatalysis has been proposed as a remediation technology to control the NOx emission. Nevertheless, efforts are focused on the treatment of NO instead of NO2. In this communication, we have analyzed the photocatalytic performance of TiO2-based materials with different textural and chemical properties for the photocatalytic oxidation of NO and NO2. The effect of photocatalyst loading, residence time, and relative humidity was studied in order to achieve the optimum photocatalytic performance. The results presented in this work indicate the importance of these parameters to obtain high photocatalytic efficiencies.