Pilot-scale evaluation of UV-A & UV-C photocatalytic treatment for mitigating odorous gas emissions from swine manure

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dc.contributor.author Koziel, Jacek
dc.contributor.author Lee, Myeongseong
dc.contributor.author Koziel, Jacek
dc.contributor.author Murphy, Wyatt
dc.contributor.author Jenks, William
dc.contributor.author Chen, Baitong
dc.contributor.author Li, Peiyang
dc.contributor.author Jenks, William
dc.contributor.author Banik, Chumki
dc.contributor.department Food Science and Human Nutrition
dc.contributor.department Civil, Construction and Environmental Engineering
dc.contributor.department Chemistry
dc.contributor.department Agricultural and Biosystems Engineering
dc.contributor.department Toxicology
dc.contributor.department Chemistry
dc.date 2021-07-13T16:26:10.000
dc.date.accessioned 2021-08-14T00:13:17Z
dc.date.available 2021-08-14T00:13:17Z
dc.date.copyright Fri Jan 01 00:00:00 UTC 2021
dc.date.embargo 2020-01-01
dc.date.issued 2021-01-01
dc.description.abstract <p>It is essential to mitigate gaseous emissions that result from poultry and livestock production to increase industry sustainability. Odorous volatile organic compounds (VOCs), ammonia (NH3), hydrogen sulfide (H2S), and greenhouse gases (GHGs) have detrimental effects on the quality of life in rural communities, the environment, and climate. This study's objective was to evaluate the photocatalytic UV treatment of gaseous emissions of odor, odorous VOCs, NH3, and other gases (GHGs, O3 – sometimes considered as by-products of UV treatment) from stored swine manure on a pilot-scale. The manure emissions were treated in fast-moving air using a mobile lab equipped with UV-A and UV-C lights and TiO2-based photocatalyst. The treatment effectiveness depended on the UV dose and wavelength. Under UV-A (367 nm) photocatalysis, the percent reduction of targeted gases was up to i) 63% of odor, ii) 51%, 51%, 53%, 67%, and 32% of acetic acid, propanoic acid, butanoic acid, p-cresol, and indole, respectively, iii) 14% of nitrous oxide (N2O), iv) 100% of O3, and 26% generation of CO2. Under UV-C (185+254 nm) photocatalysis, the percent reductions of target gases were up to i) 54% and 47% for p-cresol and indole, respectively, ii) 25% of N2O, iii) 71% of CH4, and 46% & 139% generation of CO2 & O3, respectively. The results proved that the UV technology was sufficiently effective in treating odorous gases, and the mobile lab was ready for farm-scale trials. The UV technology can be considered for the scaled-up treatment of emissions and air quality improvement inside livestock barns.</p>
dc.description.comments <p>This conference presentation is published as Lee, Myeongseong, Jacek A. Koziel, Wyatt Murphy, William S. Jenks, Baitong Chen, Peiyang Li, and Chumki Banik. "Pilot-scale evaluation of UV-A & UV-C photocatalytic treatment for mitigating odorous gas emissions from swine manure." ASABE Paper No. 2100076. ASABE Annual International Meeting, July 12-16, 2021. DOI: <a href="https://doi.org/10.13031/aim.202100076" target="_blank">10.13031/aim.202100076</a>. Posted with permission.</p>
dc.format.mimetype application/pdf
dc.identifier archive/lib.dr.iastate.edu/abe_eng_conf/632/
dc.identifier.articleid 1633
dc.identifier.contextkey 23806487
dc.identifier.s3bucket isulib-bepress-aws-west
dc.identifier.submissionpath abe_eng_conf/632
dc.identifier.uri https://dr.lib.iastate.edu/handle/20.500.12876/Nr1V5Y1z
dc.language.iso en
dc.source.bitstream archive/lib.dr.iastate.edu/abe_eng_conf/632/2021_KozielJacek_PilotScaleEvaluation.pdf|||Sat Jan 15 01:20:37 UTC 2022
dc.source.uri 10.13031/aim.202100076
dc.subject.disciplines Agriculture
dc.subject.disciplines Bioresource and Agricultural Engineering
dc.subject.disciplines Environmental Chemistry
dc.subject.disciplines Environmental Health
dc.subject.keywords Air pollution control
dc.subject.keywords air quality
dc.subject.keywords volatile organic compounds
dc.subject.keywords odor
dc.subject.keywords environmental technology
dc.subject.keywords advanced oxidation
dc.subject.keywords UV
dc.title Pilot-scale evaluation of UV-A & UV-C photocatalytic treatment for mitigating odorous gas emissions from swine manure
dc.type article
dc.type.genre presentation
dspace.entity.type Publication
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