Indoor air pollution is one of the biggest concerns in terms of public health. In France, it was estimated that indoor air pollution would bring about a socio-economic cost of around 20 billion euros per year. In this context, the treatment of this kind of pollution has become an important challenge.
The CUBAIR project aimed to develop and evaluate an original prototype, combining air purification techniques such as adsorption, filtration and photocatalysis. The evaluation of the performance of this prototype was carried out in situ during 10 months and different measurements were taken for parameters and pollutants such as nitrogen oxides and VOCs with emphasis on BTEX and some aldehydes. Other measurement campaigns were carried out to determine particle concentrations (PM1, PM2.5, PM10), microbiological parameters, comfort parameters (temperature, relative humidity), as well as the air flow of the prototype. The results show a good removal efficiency (RE) of nitrogen oxides with a RE of 86% for the NO2. Likewise, PM1 was reduced by more than 75%.
C. Hort1, E. Hallemans2, G. Coulbaux2, M. Binet3, V. Platel1, L. Moynault1, V. Héquet4, Y. Andres4, A. T. Luengas1, S. Lerey2, C. Neaud2
1 Univ Pau & Pays Adour / E2S UPPA, Laboratoire de Thermique, Énergétique et Procédés (LaTEP), IPRA, EA1932, 64000 Pau, France.
2 Cerema Ile-de-France –12 rue Teisserenc de Bort, 78190 Trappes-en-Yvelines, France
3 Société Air Sûr Paris Région Innovation Nord Express – 46 rue René Clair, 75018 Paris, France.
4 IMT Atlantique, DSEE, GEPEA UMR CNRS 6144 – 4 Rue Alfred Kastler, 44300 Nantes, France.
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Environmental pollution related to odour emission has become in the last years an important public concern. Closeness of odour-causing facilities such as wastewater treatment plants (WWTPs) to urban areas further aggravates the problem. Volatile sulphur compounds (VSC) are one of the main groups of odour causing compounds in WWTPs, especially in the sludge processing.