Surface Application of Soybean Peroxidase and Calcium Peroxide for Reducing Odorous VOC Emissions from Swine Manure Slurry

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dc.contributor.author Parker, David
dc.contributor.author Hayes, Morgan
dc.contributor.author Koziel, Jacek
dc.contributor.author Brown-Brandl, Tami
dc.contributor.author Woodbury, Bryan
dc.contributor.author Spiehs, Mindy
dc.contributor.author Koziel, Jacek
dc.contributor.department Agricultural and Biosystems Engineering
dc.date 2018-02-17T22:15:15.000
dc.date.accessioned 2020-06-29T22:42:29Z
dc.date.available 2020-06-29T22:42:29Z
dc.date.issued 2016-01-01
dc.description.abstract <p>A laboratory experiment was conducted to evaluate and compare surface-applied versus fully-mixed treatments of soybean peroxidase (SBP) plus calcium peroxide (CaO<sub>2</sub>) for reducing odorous volatile organic compound (VOC) emissions from swine manure slurry. Industrial-grade SBP (5-50 g L<sup>-1</sup>) and powdered CaO<sub>2</sub> (0.16-1.6 g L<sup>-1</sup>) were applied to swine manure slurry in 7.6 L containers, and odorous VOC emission rates (phenolics, indolics, volatile fatty acids, methyl sulfides) were measured over a 14 d period using sorbent tubes and gas chromatography. The five treatments consisted of a control, the fully-mixed rate of 50 g L<sup>-1</sup> SBP plus 1.6 g L<sup>-1</sup> CaO<sub>2</sub>, and three surface-applied treatments of 10%, 50%, and 100% of the fully-mixed application rate. The odorants 4-methylphenol and skatole accounted for the majority of the odor activity value (OAV). The 10% surface-applied rate was as effective as the 100% surface-applied and fully-mixed application rates at reducing 4-methylphenol and skatole emissions for up to 10 d (P2 every 4-7 d. Future pilot- and field-scale research should focus on surface application of SBP and CaO<sub>2</sub> at a rate equal to 10% of the fully-mixed rate.</p>
dc.description.comments <p>This article is from <em>Applied Engineering in Agriculture</em> 32 (2016): 389–398, doi:<a href="http://dx.doi.org/10.13031/aea.32.11672" target="_blank">10.13031/aea.32.11672</a>.</p>
dc.format.mimetype application/pdf
dc.identifier archive/lib.dr.iastate.edu/abe_eng_pubs/765/
dc.identifier.articleid 2045
dc.identifier.contextkey 9116575
dc.identifier.s3bucket isulib-bepress-aws-west
dc.identifier.submissionpath abe_eng_pubs/765
dc.identifier.uri https://dr.lib.iastate.edu/handle/20.500.12876/1564
dc.language.iso en
dc.source.bitstream archive/lib.dr.iastate.edu/abe_eng_pubs/765/2016_Parker_SurfaceApplication.pdf|||Sat Jan 15 01:51:43 UTC 2022
dc.source.uri 10.13031/aea.32.11672
dc.subject.disciplines Agriculture
dc.subject.disciplines Bioresource and Agricultural Engineering
dc.subject.keywords Manure
dc.subject.keywords Odor
dc.subject.keywords Soybean peroxidase
dc.subject.keywords Swine
dc.subject.keywords Volatile organic compound
dc.title Surface Application of Soybean Peroxidase and Calcium Peroxide for Reducing Odorous VOC Emissions from Swine Manure Slurry
dc.type article
dc.type.genre article
dspace.entity.type Publication
relation.isAuthorOfPublication 76fc5589-51f8-4f3c-885c-e25d8037d641
relation.isOrgUnitOfPublication 8eb24241-0d92-4baf-ae75-08f716d30801
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