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Characterization techniques of packing material colonization in gas biofiltration processes

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Biological air treatment is largely used for the decontamination of large air streams with low pollutant concentrations. As a result of microbial metabolism, the pollutants are degraded into carbon dioxide and water or converted into cell biomass. Three main research domains have emerged within the field of biofiltration: filter bed development, process optimization, and microbiological studies (community, nutrients, …). The objective of this paper is to focus on the microbial activities in air biofiltration processes. The nutrient contribution and the packing material effects are described. Special attention is paid to the description of techniques for the characterization and identification of the microbial population.

Le traitement biologique de l’air est très utilisé pour la décontamination de grands courants d’air faiblement pollués. En raison du métabolisme microbien, les polluants sont dégradés en bioxyde de carbone et en eau ou convertis dans la biomasse des cellules. Trois grands domaines de recherche ont vu le jour en biofiltration : le développement des lits filtrants, l’optimisation des procédés et des études microbiologiques (communauté, nutriments, etc.). L’objectif de cet article est de cibler les activités microbiennes dans les processus de biofiltration de l’air. La contribution des nutriments et les effets du remplissage sont décrits. On prêtera tout particulièrement attention à la description des techniques de caractérisation et d’identification de la population microbienne.

Document Type: Research Article

Publication date: December 1, 2009

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  • Published since 1974, this monthly publication is the official journal of the Canadian Society for Civil Engineering. It contains articles on environmental engineering, hydrotechnical engineering, structure engineering, construction engineering, engineering mechanics, and engineering materials, and a history of civil engineering. Contributors include recognized researchers and practitioners in industry, government, and academe. New developments in engineering design and construction are also featured.
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