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Environ Sci Pollut Res Int

Title:		Removal of traces of toluene and p-xylene in indoor air using biofiltration and a hybrid system (biofiltration + adsorption)
Author(s):		Luengas AT; Hort C; Platel V; Elias A; Barona A; Moynault L;
Address:		"Laboratoire de Thermique, Univ Pau & Pays Adour, Energetique Et Procedes-IPRA, EA1932, 64000, Pau, France. a.luengasmunoz@univ-pau.fr. Department of Chemical and Environmental Engineering, University of the Basque Country, Alameda Urquijo s/n, 48013, Bilbao, Spain. a.luengasmunoz@univ-pau.fr. Laboratoire de Thermique, Univ Pau & Pays Adour, Energetique Et Procedes-IPRA, EA1932, 64000, Pau, France. Department of Chemical and Environmental Engineering, University of the Basque Country, Alameda Urquijo s/n, 48013, Bilbao, Spain"
Journal Title:		Environ Sci Pollut Res Int
Year:		2017
Volume:		20170311
Issue:		11
Page Number:		10674 - 10684
DOI:		10.1007/s11356-017-8689-y
ISSN/ISBN:		1614-7499 (Electronic) 0944-1344 (Linking)
Abstract:		"Biofiltration technology and the hybrid system combining biofiltration and adsorption (onto activated carbon) were compared as possible methods to toluene and p-xylene at parts per million concentration levels (2-45 and 1-33 ppb, respectively). An organic material was used as packing material for the biofiltration process. Even at low empty bed residence times (EBRTs) and concentrations, toluene removal efficiency reached 100% and p-xylene showed an increasing trend on their removal efficiency over the time using biofiltration. The assessment of by-products and particle generation by the biofilter and the hybrid system were taken into account. Acetone and acetic acid were identified as by-products of the biofilter. Particle emissions in the range of 0.03 to 10 mum were recorded for both systems"
Keywords:		"Adsorption Air Pollutants *Air Pollution, Indoor Filtration *Toluene Xylenes Biofiltration Hybrid system Indoor air pollution Volatile organic compounds;"
Notes:		"MedlineLuengas, Angela Tatiana Hort, Cecile Platel, Vincent Elias, Ana Barona, Astrid Moynault, Laurent eng Germany 2017/03/12 Environ Sci Pollut Res Int. 2017 Apr; 24(11):10674-10684. doi: 10.1007/s11356-017-8689-y. Epub 2017 Mar 11"