2021
DOI: 10.3390/atmos12050585
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Abstract: UV-A (ca. 365 nm wavelength, a.k.a. ‘black light’) photocatalysis has been investigated to comprehensively mitigate odor and selected air pollutants in the livestock environment. This study was conducted to confirm the performance of UV-A photocatalysis on the swine farm. The objectives of this research were to (1) scale-up of the UV-A photocatalysis treatment, (2) evaluate the mitigation of odorous gases from swine slurry pit, (3) test different UV sources, (4) evaluate the effect of particulate matter (PM) a… Show more

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Cited by 9 publications
(28 citation statements)
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“…The highest dose (5.3 mJ•cm -2 ) resulted in a statistically significant percent reduction of dimethyl disulfide (62%), isobutyric acid (44%), butanoic acid (32%), p-cresol (40%), indole (66%), and skatole (49%). The mitigation of odorous VOCs was consistent with the results presented for odor (illustrated in Lee et al, 2021b; Table 1). A statistically significant odor reduction was found for higher UV doses in which several targeted VOCs were reduced, e.g., the phenolic compounds.…”
Section: Volatile Organic Compoundssupporting
confidence: 89%
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“…The highest dose (5.3 mJ•cm -2 ) resulted in a statistically significant percent reduction of dimethyl disulfide (62%), isobutyric acid (44%), butanoic acid (32%), p-cresol (40%), indole (66%), and skatole (49%). The mitigation of odorous VOCs was consistent with the results presented for odor (illustrated in Lee et al, 2021b; Table 1). A statistically significant odor reduction was found for higher UV doses in which several targeted VOCs were reduced, e.g., the phenolic compounds.…”
Section: Volatile Organic Compoundssupporting
confidence: 89%
“…UV-A photocatalysis significantly mitigated odor emissions from swine barn. UV dose ≥ 4.0 mJ•cm -2 showed a statistically significant 40% reduction of odor (illustrated in Lee et al, 2021b; Table 1). There was no significant improvement between 4.0 ~ 5.3 mJ•cm -2 doses, suggesting that a low dose is economical.…”
Section: Measured Odormentioning
confidence: 97%
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