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Sci Total Environ

Title:		Effects of airflow on odorants' emissions in a model pig house - A laboratory study using Proton-Transfer-Reaction Mass Spectrometry (PTR-MS)
Author(s):		Saha CK; Feilberg A; Zhang G; Adamsen AP;
Address:		"Department of Engineering, Aarhus University, Blichers Alle 20, 8830 Tjele, Denmark. cksahabau@yahoo.com"
Journal Title:		Sci Total Environ
Year:		2011
Volume:		20111005
Issue:
Page Number:		161 - 171
DOI:		10.1016/j.scitotenv.2011.09.017
ISSN/ISBN:		1879-1026 (Electronic) 0048-9697 (Linking)
Abstract:		"Identification of different factors that affect emissions of gasses, including volatile organic compounds (VOCs) is necessary to develop emission abatement technology. The objectives of this research were to quantify and study temporal variation of gas emissions from a model pig house under varying ventilation rates. The used model was a 1:12.5 scale of a section of a commercial finishing pig house. The VOC concentrations at inlet, outlet, and slurry pit of the model space were measured using Proton-Transfer-Reaction Mass Spectrometry (PTR-MS). PTR-MS can measure the temporal variations of odor compounds' emission from the slurry pit in real time. The emissions of H(2)S and 14 VOCs were lower compared to real pig buildings except for ammonia, which indicated possible other sources of those compounds than the slurry in the slurry pit. The ventilation rate affected significantly on ammonia and trimethylamine emission (p<0.05). The hydrogen sulfide (H(2)S) emission was independent of the ventilation rate. VFAs' emission dependency on ventilation rate increased with the increase of carbon chain. Phenols, indoles and ketones showed the positive correlation with ventilation rate to some extent. Generally, compounds with high solubility (low Henry's constant) showed stronger correlation with ventilation rates than the compounds with high Henry's constant"
Keywords:		"Air Pollutants/*analysis Air Pollution, Indoor/*analysis Ammonia/*analysis Animals Denmark Environmental Monitoring/*methods Housing, Animal Hydrogen Sulfide/*analysis Manure/analysis Mass Spectrometry/veterinary Models, Theoretical Odorants/analysis Sus;"
Notes:		"MedlineSaha, Chayan Kumer Feilberg, Anders Zhang, Guoqiang Adamsen, Anders Peter S eng Evaluation Study Research Support, Non-U.S. Gov't Netherlands 2011/10/08 Sci Total Environ. 2011 Dec 1; 410-411:161-71. doi: 10.1016/j.scitotenv.2011.09.017. Epub 2011 Oct 5"