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Odor Reduction Rate in the Confinement Pig Building by Spraying Various Additives by Ki-Youn Kim; Han-Jong Ko; Hyeon-Tae Kim; Yoon-Shin Kim; Young-Man Roh; Cheol-Min Lee; Chi-Nyon Kim is a Engineering article available to read on EtoBox.

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The objective of this on-site experiment was to evaluate and compare the effectiveness of currently utilized various additives, i.e. tap water, salt water, digested manure, microbial additive, soybean oil, artificial spice and essential oil, to reduce odor emissions from the confinement pig building. Odor reduction rates were evaluated with respect to sensual odor (odor concentration index, odor intensity and odor offensiveness) and odorous compounds (ammonia and sulfuric odorous compounds). Of the additives investigated in this study, salt water, artificial spice and essential oil had a positive effect on reducing odor generation. The effectiveness of salt water was only observed on ammonia, showing the reduction rates as a function of time (t = immediately, 1 h, 3 h, 5 h, and 24 h after spraying) were 0.1%, 20%, 36%, 11% and 0.2% as compared to initial level before spraying. The odor intensity and offensiveness were lessened by spraying artificial spice and essential oil of which maximum reduction rates ranged from 60% to 80%. Additionally, the essential oil had a significant effect on reducing sulfuric odorous compounds for 24 h after spraying, which implicates that it functione

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Author

Ki-Youn Kim; Han-Jong Ko; Hyeon-Tae Kim; Yoon-Shin Kim; Young-Man Roh; Cheol-Min Lee; Chi-Nyon Kim

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0960-8524)

Published

2008

Language

EN

Field

Engineering (Physical Sciences)