Size-segregated physicochemical properties of inhalable particulate matter in a tunnel-ventilated layer house in China

This study investigated the physicochemical properties of the particles in a typical commercial laying hen barn in Southeast China. Mass concentrations and size distributions of the particulate matter (PM) and the key components (incl. organic carbon (OC), element carbon (EC), and the water-soluble...

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Veröffentlicht in:	Environmental research 2022-03, Vol.204 (Pt B), p.112064-112064, Article 112064
Hauptverfasser:	Wang, Xiaoshuai, Dai, Xiaorong, Wang, Ailun, Wang-Li, Lingjuan, Yang, Mengrong, Xiao, Hang, He, Yong, Wang, Kaiying
Format:	Artikel
Sprache:	eng
Schlagworte:	Aerosols - analysis Air Pollutants - analysis Animals Carbon analysis Chickens China Environmental Monitoring Female Ion balance analysis Laying hen house Particle Size Particle size distribution Particulate Matter - analysis Seasons Water-soluble inorganic ions
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Zusammenfassung:	This study investigated the physicochemical properties of the particles in a typical commercial laying hen barn in Southeast China. Mass concentrations and size distributions of the particulate matter (PM) and the key components (incl. organic carbon (OC), element carbon (EC), and the water-soluble inorganic ions (WSIIs)) were analyzed. The result shows that the mass concentrations of PM accumulated along with the airflow inside the house, with the total mass of the sampling particles increasing from 843.66 ± 160.74 μg/m3 at the center of the house to 1264.93 ± 285.70 μg/m3 at the place close to exhaust fans. The particles with the aerodynamic equivalent diameter, Dp > 9 μm, coarse particles (2.1 μm
ISSN:	0013-9351 1096-0953
DOI:	10.1016/j.envres.2021.112064