Odorous compounds sources and transport from a swine deep-pit finishing operation: A case study

JOURNAL OF ENVIRONMENTAL MANAGEMENT

卷:233

Article

Trabue, Steven¹  Scoggin, Kiwood¹  Tyndall, John²  Sauer, Thomas¹  Hernandez-Ramirez, Guillermo^1,3  Pfeiffer, Richard¹  Hatfield, Jerry¹ 

[1] USDA ARS, Natl Lab Agr & Environm, 1015 N Univ Blvd, Ames, IA 50011 USA

[2] Iowa State Univ, Dept Nat Resources Ecol & Management, 339 Sci Hall 2, Ames, IA 50011 USA

[3] Univ Alberta, Dept Renewable Resources, 420 Earth Sci Bld, Edmonton, AB T6G 2H5, Canada

关键词: Odor;    Swine;    Deep-pit;    Particulate matter;    Transport;    Manure;   

DOI  :  10.1016/j.jenvman.2018.10.110

来源: Elsevier

【 摘 要 】

Odor emissions from swine finishing operations are an air quality issue that affects residents at the local level. A study was conducted at a commercial swine deep-pit finishing operation in central Iowa to monitor odorous compounds emitted and transported offsite. Gaseous compounds were sampled using either sorbent tubes or canisters with GC/MS analysis, and particulates matter (PM10) were sampled with high volume samplers and thermally extracted onto sorbent tubes for GC/MS analysis. Major odorous chemical classes detected at the swine facility included volatile sulfur compounds (VSC), volatile fatty acids (WA), phenol and indole compounds. Manure storage was the main source of odorous compounds of which hydrogen sulfide (H2S), methanethiol, 4-methylphenol, and 3-methylindole were key offenders. Only H2S and 4-methylphenol were detected above odor threshold values (OTV) at all locations around the facility and both 4-methylphenol and 3-methylindole were detected above their OTV 1.5 km downwind from the swine facility. Odorous compounds generated during agitation and pumping of the deep pits was mainly H2S. Odorants were mainly transported in the gas phase with less than 0.1% being associated with PM10. Odor mitigation efforts should focus on gaseous compounds emitted from deep-pits and especially during manure agitation and deep-pit pumping.

【 授权许可】

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