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Design and evaluation of an open biofilter for treatment of odour from swine barns during sub-zero ambient temperatures


Design and evaluation of an open biofilter for treatment of odour from swine barns during sub-zero ambient temperatures



Canadian Biosystems Engineering 44: 6.21-6.26



ISSN/ISBN: 1492-9058

Open biofilters have previously been shown to reduce odour from typical swine production facilities, but it was not known whether the exhaust air contained sufficient heat to prevent the biofilter beds from freezing during ambient temperatures below -20 degrees C without the use of insulation or supplemental heat. Four experimental biofilter units were retrofitted to a 2000-hog, 4-room feeder facility in southern Manitoba, Canada.

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Accession: 003703638

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