GSTDTAP  > 地球科学
DOI10.5194/acp-17-4945-2017
Emissions of volatile organic compounds (VOCs) from concentrated animal feeding operations (CAFOs): chemical compositions and separation of sources
Yuan, Bin1,2,4; Coggon, Matthew M.1,2; Koss, Abigail R.1,2,3; Warneke, Carsten1,2; Eilerman, Scott1,2; Peischl, Jeff1,2; Aikin, Kenneth C.1,2; Ryerson, Thomas B.1; de Gouw, Joost A.1,2,3
2017-04-18
发表期刊ATMOSPHERIC CHEMISTRY AND PHYSICS
ISSN1680-7316
EISSN1680-7324
出版年2017
卷号17期号:8
文章类型Article
语种英语
国家USA; Switzerland
英文摘要

Concentrated animal feeding operations (CAFOs) emit a large number of volatile organic compounds (VOCs) to the atmosphere. In this study, we conducted mobile laboratory measurements of VOCs, methane (CH4) and ammonia (NH3) downwind of dairy cattle, beef cattle, sheep and chicken CAFO facilities in northeastern Colorado using a hydronium ion time-of-flight chemical-ionization mass spectrometer (H3O+ ToF-CIMS), which can detect numerous VOCs. Regional measurements of CAFO emissions in northeastern Colorado were also performed using the NOAA WP-3D aircraft during the Shale Oil and Natural Gas Nexus (SONGNEX) campaign. Alcohols and carboxylic acids dominate VOC concentrations and the reactivity of the VOCs with hydroxyl (OH) radicals. Sulfur-containing and phenolic species provide the largest contributions to the odor activity values and the nitrate radical (NO3) reactivity of VOC emissions, respectively. VOC compositions determined from mobile laboratory and aircraft measurements generally agree well with each other. The high time-resolution mobile measurements allow for the separation of the sources of VOCs from different parts of the operations occurring within the facilities. We show that the emissions of ethanol are primarily associated with feed storage and handling. Based on mobile laboratory measurements, we apply a multivariate regression analysis using NH3 and ethanol as tracers to determine the relative importance of animal-related emissions (animal exhalation and waste) and feed-related emissions (feed storage and handling) for different VOC species. Feed storage and handling contribute significantly to emissions of alcohols, carbonyls, carboxylic acids and sulfur-containing species. Emissions of phenolic species and nitrogen-containing species are predominantly associated with animals and their waste.


领域地球科学
收录类别SCI-E
WOS记录号WOS:000403789100001
WOS关键词REACTION MASS-SPECTROMETRY ; SAN-JOAQUIN VALLEY ; ODOROUS COMPOUNDS ; BEEF FEEDLOTS ; FATTY-ACIDS ; DAIRY-COWS ; AMMONIA ; CALIFORNIA ; METHANE ; QUANTIFICATION
WOS类目Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS研究方向Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/24991
专题地球科学
作者单位1.NOAA, Earth Syst Res Lab, Div Chem Sci, Boulder, CO 80305 USA;
2.Univ Colorado, Cooperat Inst Res Environm Sci, Boulder, CO 80309 USA;
3.Univ Colorado, Dept Chem & Biochem, Campus Box 215, Boulder, CO 80309 USA;
4.Paul Scherrer Inst, Lab Atmospher Chem, CH-5232 Villigen, Switzerland
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GB/T 7714
Yuan, Bin,Coggon, Matthew M.,Koss, Abigail R.,et al. Emissions of volatile organic compounds (VOCs) from concentrated animal feeding operations (CAFOs): chemical compositions and separation of sources[J]. ATMOSPHERIC CHEMISTRY AND PHYSICS,2017,17(8).
APA Yuan, Bin.,Coggon, Matthew M..,Koss, Abigail R..,Warneke, Carsten.,Eilerman, Scott.,...&de Gouw, Joost A..(2017).Emissions of volatile organic compounds (VOCs) from concentrated animal feeding operations (CAFOs): chemical compositions and separation of sources.ATMOSPHERIC CHEMISTRY AND PHYSICS,17(8).
MLA Yuan, Bin,et al."Emissions of volatile organic compounds (VOCs) from concentrated animal feeding operations (CAFOs): chemical compositions and separation of sources".ATMOSPHERIC CHEMISTRY AND PHYSICS 17.8(2017).
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