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| The Biofiltration of Indoor Air I: A Novel Reactor for a Novel Waste Gas Stream
David Llewellyn1, Alan Darlington, Michael Dixon and Jeff Mallany
ABSTRACT
Indoor air quality (IAQ) is becoming a major health concern as modern buildings are being increasingly sealed from the outdoors; allowing pollutants such as VOCs to accumulate indoors.Ê Biofiltration has been proposed as an alternative to ventilation for maintaining IAQ. Indoor air is very different than waste gas streams treated in conventional biofilters. An indoor air biofilter must handle very large volumes of air containing a large consortium of VOCs present at trace concentrations. Ecologically complex, plant-based biofilters have been designed to treat VOC-contaminated indoor air.
Prototypes have been shown to improve IAQ through the elimination of target VOCs.
1 Division of Horticultural Science, Department of Plant Agriculture, University of Guelph, Guelph, Ontario, Canada, N1G 2W1, dllewell@uoguelph.ca
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