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http://dx.doi.org/10.17137/Korrae.2012.20.4.118

Effect of Ozone Application on Sulfur Compounds and Ammonia Exhausted from Aerobic Fertilization System of Livestock Manure  

Jeong, Kwang Hwa (National Institute of Animal Science, RDA)
Whang, Ok Hwa (National Institute of Animal Science, RDA)
Khan, Modabber Ahmed (National Institute of Animal Science, RDA)
Lee, Dong Hyun (National Institute of Animal Science, RDA)
Choi, Dong Yoon (National Institute of Animal Science, RDA)
Yu, Yong Hee (National Institute of Animal Science, RDA)
Publication Information
Journal of the Korea Organic Resources Recycling Association / v.20, no.4, 2012 , pp. 118-126 More about this Journal
Abstract
In this study, two types of ozone generating experimental instrument were installed in commercial livestock manure fertilization facility, which can treat hundred tons of pig manure in a day. Gas samples to be treated were collected from the upper part of the liquid fertilization system and composting system of the commercial livestock manure fertilization facility. The gas sample was flowed to oxidation reactor through pipe line by suction blower, therefore, contacted with ozone. Ammonia and sulfur compounds of gas samples collected from the inlet and outlet point of the experimental instrument were analyzed. The oxidation effect by the contact with ozone was higher in sulfur compounds than ammonia. Ammonia content was reduced about 10% by ozone contact. Sulfur compounds, on the other hand, reduced significantly while treated with ozone. In case of gas sample collected from liquid fertilization system, the concentrations of hydrogen sulfide ($H_2S$), methyl mercaptan (MM), dimethyl sulfide (DMS), and dimethyl disulfide (DMDS) of inlet gas were 50.091, 4.9089, 27.8109 and 0.4683 ppvs, respectively. After oxidized by ozone, the concentrations of sulfur compounds were 1.2317, 0.3839, 14.7279 and 0.3145 ppvs, respectively. Another sample collected from aerobic composting system was oxidized in the same conditions. The concentrations of $H_2S$, MM, DMS and DMDS of the sample collected from inlet point of the reactor were 40.6682, 1.3675, 24.2458 and 0.8289 ppvs, respectively. After oxidized, the concentrations of $H_2S$, MM, DMS, and DMDS were reduced to 3.013, ND, 8.8998 and 0.3651 ppvs, respectively. By application of another type of ozone, the concentrations of $H_2S$, MM, DMS and DMDS of inlet gas were reduced from 43.397, 1.4559, 3.6021 and 0.4061 to ND, ND, ND, and 0.21ppvs, respectively.
Keywords
Aerobic fertilization; Ammonia; Ozone; Sulfur compounds;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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