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Modeling and physical interpretation of photocatalytic oxidation efficiency in indoor air applications
Authors:Lexuan Zhong  Fariborz Haghighat  Partice Blondeau  Janusz Kozinski
Affiliation:1. Department of Building, Civil and Environmental Engineering, Concordia University, Montreal, Quebec H3G 1M8, Canada;2. University of La Rochelle, La Rochelle, France;3. College of Engineering, University of Saskatchewan, Saskatoon, Canada
Abstract:Volatile organic compounds (VOCs) are the major pollutants in indoor air, which significantly impact indoor air quality (IAQ). As a promising technique to remove VOCs, photocatalytic oxidation (PCO) takes the advantages of oxidation of a large range of VOCs with low energy consumption. In this study, the mass transports and reaction mechanism involved in the PCO process have been studied. In addition, the kinetic models of PCO on the different conditions of elementary reactions have been critically reviewed. Moreover, the factors that may affect the efficiency of PCO were interpreted based on the established fundamental mechanism of PCO. Some recommendations were made for future work to improve the efficiency of PCO system for building applications.
Keywords:Volatile organic compounds (VOCs)   Photocatalytic oxidation (PCO)   Kinetic model   Reaction rate   Efficiency
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