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A Study on Livestock Odor Reduction Using Water Washing System  

Jeon, Kyoung-Ho (National Institute of Animal Science, R.D.A.)
Choi, Dong-Yoon (National Institute of Animal Science, R.D.A.)
Song, Jun-Ik (National Institute of Animal Science, R.D.A.)
Park, Kyu-Hyun (National Institute of Animal Science, R.D.A.)
Kim, Jae-Hwan (National Institute of Animal Science, R.D.A.)
Kwag, Jung-Hoon (National Institute of Animal Science, R.D.A.)
Kang, Hee-Sul (National Institute of Animal Science, R.D.A.)
Jeong, Jong-Won (The Foundation of Ag. Tech. Commercialization and Transfer)
Publication Information
Journal of Animal Environmental Science / v.16, no.1, 2010 , pp. 21-28 More about this Journal
Abstract
The odor problem in the livestock is increasing by 7% annually. Most importantly, the livestock odor problem in swinery accounts for the maximum ratio (54%). In this study, we reviewed the possibility of deodorizing swinery using an odor reduction device that can be used with the water washing system. First, the study confirmed that the solubility of odor gas, which was hydrogen sulfide, was very low regardless of the contact time with solvent, but the solubility of methyl mercaptan was found to increase along with the increase in time. The solubility of other odor gases, such as dimethyl sulfide, dimethyl disulfide and ammonia, was considerably high. Consequently, it is considered that if the odor reduction device for the water washing system deodorization is used in a swinery, the time during which the exhaust gas is in contact with usable water must be extended, or solvent quantity must be expanded. However, it is predicted that although hydrogen sulfide is easily generated in the anaerobic condition, it is difficult to expect high odor reduction efficiency because this gas has low solubility in water, especially in case it is used in the deodorization of the water washing system. The result of the solubility experiment using the bench-scale device practically manufactured represented the higher odor reduction ratio than expected. This result was possible because the removal efficiency of dust particles could be reached up to 93%. Therefore, it is judged that also the odor gas absorbed on dust particles could be removed by removal of dust. Consequently, it is expected that the higher order reduction ratio will be possible by structural improvement for increasing contact with water and odor gas.
Keywords
Solubility; Water washing deodorization; Odor reduction;
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Times Cited By KSCI : 2  (Citation Analysis)
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