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Particulate matter emissions and gaseous air toxic pollutants from commercial meat cooking operations

Journal of Environmental Sciences 2018年第3期30卷 162-170页

作者： Nicholas Gysel William A.Welch Chia-Li Chen Poornima Dixit David R.Cocker Ⅲ Georgios Karavalakis Department of Chemical and Environmental Engineering University of CaliforniaRiverside Center for Environmental Research and Technology University of CaliforniaRiverside

This study assessed the effectiveness of three novel control technologies for particulate matter（PM） and volatile organic compound（VOC） removal from commercial meat cooking operations. All experiments were conducted using standardized procedures at University of California, Riverside＇s commercial test cooking facility. PM mass emissions collected using South Coast Air Quality Management District（SCAQMD） Method 5.1, as well as a dilution tunnel-based PM method showed statistically significantly reductions for each control technology when compared to baseline testing（i.e., without a catalyst）. Overall, particle number emissions decreased with the use of control technologies, with the exception of control technology 2（CT2）, which is a grease removal technology based on boundary layer momentum transfer（BLMT） theory. Particle size distributions were unimodal with CT2 resulting in higher particle number populations at lower particle diameters. Organic carbon was the dominant PM component（ 99%） for all experiments. Formaldehyde and acetaldehyde were the most abundant carbonyl compounds and showed reductions with the application of the control technologies. Some reductions in mono-aromatic VOCs were also observed with CT2 and the electrostatic precipitator（ESP） CT3 compared to the baseline testing.

关键词： charbroiled meat cooking Particulate emissions Particle number Carbonyl compounds VOCs

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