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Study of Chemical Substances Emitted during Paint Manufacturing through VOC Speciationopen access

Authors
Kim, Min-GyuLee, Ji YunKim, Jeong HunLee, Hyo EunCho, Sung HwanYu, Jeong UngKang, Cheon WoongMoon, Kyong Whan
Issue Date
Aug-2022
Publisher
MDPI
Keywords
volatile organic compound; fenceline monitoring; VOC speciation; paint manufacturing; toluene; photochemical ozone creation potential
Citation
ATMOSPHERE, v.13, no.8
Indexed
SCIE
SCOPUS
Journal Title
ATMOSPHERE
Volume
13
Number
8
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/145864
DOI
10.3390/atmos13081245
ISSN
2073-4433
2073-4433
Abstract
Volatile organic compounds (VOCs) emitted from the paint manufacturing industry include substances that are highly volatile, such as toluene, and highly carcinogenic, such as benzene. In the Republic of Korea, the emission of volatile organic compounds is regulated under the Clean Air Conservation Act, but it is found that individual substances are systematically insufficient. Although the Pollutant Release and Transfer Register (PRTR) is maintained to report the expected emissions from each plant every year, actual measurements are not performed. This study measured and analyzed VOCs at the site fenceline boundary. The ratio of PRTR and VOCs speciation results for xylene and toluene was similar to that of xylene 29% and toluene 28%, but ethylbenzene accounted for 2% in PRTR. Still, the actual measurement result showed a big difference of 11%. Because it is a solvent that is treated in large quantities in the resin manufacturing process and the reactivity of ethylbenzene, it is vaporized at high temperature and high pressure, resulting in many measurements. This study classified a large amount of VOCs emitted through the fence line monitoring system in the paint manufacturing industry and confirmed which VOCs were emitted the most. We compared whether this produced similar results to the actual emission survey method conducted by the EPA. Some substances have produced similar results, but certain substances have significant differences. This indicates that priority VOCs should be selected for each location through continuous measurement.
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