Performance evaluation of a wood-chip based biofilter using solid-phase microextraction and gas chromatography–mass spectroscopy–olfactometry

dc.contributor.author Hoff, Steven
dc.contributor.author Hoff, Steven
dc.contributor.author Koziel, Jacek
dc.contributor.author Cai, Lingshuang
dc.contributor.author Zelle, Brian
dc.contributor.author Koziel, Jacek
dc.contributor.department Food Science and Human Nutrition
dc.contributor.department Civil, Construction and Environmental Engineering
dc.contributor.department Agricultural and Biosystems Engineering
dc.contributor.department Toxicology
dc.date 2018-11-12T16:25:48.000
dc.date.accessioned 2020-06-29T22:44:05Z
dc.date.available 2020-06-29T22:44:05Z
dc.date.copyright Tue Jan 01 00:00:00 UTC 2008
dc.date.issued 2008-11-01
dc.description.abstract <p>A pilot-scale mobile biofilter was developed where two types of wood chips (western cedar and 2 in. hardwood) were examined to treat odor emissions from a deep-pit swine finishing facility in central Iowa. The biofilters were operated continuously for 13 weeks at different air flow rates resulting in a variable empty bed residence time (EBRT) from 1.6 to 7.3 s. During this test period, solid-phase microextraction (SPME) PDMS/DVB 65 μm fibers were used to extract volatile organic compounds (VOCs) from both the control plenum and biofilter treatments. Analyses of VOCs were carried out using a multidimentional gas chromatography–mass spectrometry–olfactometry (MDGC–MS–O) system. Results indicated that both types of chips achieved significant reductions in p-cresol, phenol, indole and skatole which represent some of the most odorous and odor-defining compounds known for swine facilities. The results also showed that maintaining proper moisture content is critical to the success of wood-chip based biofilters and that this factor is more important than media depth and residence time.</p>
dc.description.comments <p>This is a manuscript of an article published as Chen, Lide, Steven J. Hoff, Jacek A. Koziel, Lingshuang Cai, Brian Zelle, and Gang Sun. "Performance evaluation of a wood-chip based biofilter using solid-phase microextraction and gas chromatography–mass spectroscopy–olfactometry." <em>Bioresource Technology</em> 99, no. 16 (2008): 7767-7780. DOI: <a href="https://dx.doi.org/10.1016/j.biortech.2008.01.085" target="_blank">10.1016/j.biortech.2008.01.085</a>. Posted with permission.</p>
dc.format.mimetype application/pdf
dc.identifier archive/lib.dr.iastate.edu/abe_eng_pubs/967/
dc.identifier.articleid 2255
dc.identifier.contextkey 13272243
dc.identifier.s3bucket isulib-bepress-aws-west
dc.identifier.submissionpath abe_eng_pubs/967
dc.identifier.uri https://dr.lib.iastate.edu/handle/20.500.12876/1787
dc.language.iso en
dc.source.bitstream archive/lib.dr.iastate.edu/abe_eng_pubs/967/2008_Koziel_PerformanceEvaluation.pdf|||Sat Jan 15 02:36:03 UTC 2022
dc.source.uri 10.1016/j.biortech.2008.01.085
dc.subject.disciplines Animal Sciences
dc.subject.disciplines Bioresource and Agricultural Engineering
dc.subject.disciplines Environmental Health
dc.subject.keywords Biofilter
dc.subject.keywords Odor
dc.subject.keywords Wood chips
dc.subject.keywords SPME
dc.subject.keywords Swine
dc.title Performance evaluation of a wood-chip based biofilter using solid-phase microextraction and gas chromatography–mass spectroscopy–olfactometry
dc.type article
dc.type.genre article
dspace.entity.type Publication
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