Evaluation of TiO2 Based Photocatalytic Treatment of Odor and Gaseous Emissions from Swine Manure with UV-A and UV-C

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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 Environmental Science
dc.contributor.department Toxicology
dc.contributor.department Bioeconomy Institute (BEI)
dc.date 2021-03-08T20:17:14.000
dc.date.accessioned 2021-04-29T23:07:22Z
dc.date.available 2021-04-29T23:07:22Z
dc.date.copyright Fri Jan 01 00:00:00 UTC 2021
dc.date.issued 2021-04-30
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 (NH<sub>3</sub>), hydrogen sulfide (H<sub>2</sub>S), 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, NH<sub>3</sub>, and other gases (GHGs, O<sub>3</sub>—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 TiO<sub>2</sub>-based photocatalyst. Treated gas airflow (0.25–0.76 m<sup>3</sup>∙s<sup>−1</sup>) simulates output from a small ventilation fan in a barn. Through controlling the light intensity and airflow, UV dose was tested for techno-economic analyses. 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 (N<sub>2</sub>O), (iv) 100% of O<sub>3</sub>, and 26% generation of CO<sub>2</sub>. 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 N<sub>2</sub>O, (iii) 71% of CH<sub>4</sub>, and 46% and 139% generation of CO<sub>2</sub> and O<sub>3</sub>, 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. Results from this study are needed to inform the experimental design for future on-farm research with UV-A and UV-C.</p>
dc.description.comments <p>This article is published as Lee, Myeongseong, Jacek A. Koziel, Wyatt Murphy, William S. Jenks, Baitong Chen, Peiyang Li, and Chumki Banik. "Evaluation of TiO2 Based Photocatalytic Treatment of Odor and Gaseous Emissions From Swine Manure With UV-A and UV-C." <em>Animals</em> 11, no. 5 (2021): 1289. DOI: <a href="https://doi.org/10.3390/ani11051289" target="_blank">10.3390/ani11051289</a>. Posted with permission.</p>
dc.format.mimetype application/pdf
dc.identifier archive/lib.dr.iastate.edu/abe_eng_pubs/1189/
dc.identifier.articleid 2474
dc.identifier.contextkey 21994401
dc.identifier.s3bucket isulib-bepress-aws-west
dc.identifier.submissionpath abe_eng_pubs/1189
dc.identifier.uri https://dr.lib.iastate.edu/handle/20.500.12876/104448
dc.language.iso en
dc.source.bitstream archive/lib.dr.iastate.edu/abe_eng_pubs/1189/2021_KozielJaced_EvaluationTiO2.pdf|||Mon Mar 08 20:17:14 UTC 2021
dc.source.bitstream archive/lib.dr.iastate.edu/abe_eng_pubs/1189/2021_KozielJacek_EvaluationTiO2Based.pdf|||Fri Jan 14 19:00:24 UTC 2022
dc.source.uri 10.3390/ani11051289
dc.subject.disciplines Agriculture
dc.subject.disciplines Bioresource and Agricultural Engineering
dc.subject.disciplines Civil 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 Evaluation of TiO2 Based Photocatalytic Treatment of Odor and Gaseous Emissions from Swine Manure with UV-A and UV-C
dc.type article
dc.type.genre article
dspace.entity.type Publication
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