PM<sub>2.5</sub>与O<sub>3</sub>协同控制视角下深圳市工业VOCs源谱特征

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Abstract 100 VOCs components of samples were detected taken from 8 typical industries in Shenzhen so as to characterize different sources and analyze their impacts on PM_2.5 and ozone pollution. The results show that, of all emissions from gas stations, alkanes accounted for 48.4%, followed by oxygenated VOCs (27.6%), ethyl acetate (14.1%), isopentane (13.0%), and n-pentane (12.0%). While oxygenated VOCs were mainly emitted from manufacture of coating, adhesives, ink, chemicals, textile printing and dyeing agents, pharmaceutical products, etc., accounting for 42.3%~97.1% of all VOCs. Furthermore, acetone was dominantly emitted from most industries and acetonitrile from some industries. For waste-to-energy industry, oxygenated VOCs and halogenated hydrocarbons contributed 33.9% and 28.3%, respectively, followed by acetaldehyde (13.4%), acetone (11.0%) and chloromethane (6.1%). For synergistically controlling PM_2.5 and ozone, aromatic hydrocarbons and olefins generated from storage and transportation are the primary compounds to be mitigated; and oxygenated VOCs and aromatic hydrocarbons are the key components to be controlled in processing industry and waste disposal. Because of high SR_O3 (6.0g/g) and SR_SOA (1.2g/g) in coating manufacture, to most effectively mitigate PM_2.5 and ozone by reducing per unit of VOCs emissions should become the priority for synergistically controlling PM_2.5 and ozone in Shenzhen.

Key words： industry VOCs source profile synergistic control PM_2.5

Received: 25 January 2022

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X513

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	Articles by authors
	HUANG Pei-rong
	ZHU Bo
	ZHANG Yue
	HUANG Xiao-feng
	ZHU Qiao
	YU Guang-he
	YAN Min
	LIANG Yong-xian
	HE Ling-yan

Cite this article:

HUANG Pei-rong,ZHU Bo,ZHANG Yue等. Source profile characteristics of industrial VOCs in Shenzhen from the perspective of PM_2.5 and O₃ synergistic control[J]. CHINA ENVIRONMENTAL SCIENCECE, 2022, 42(8): 3473-3482.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2022/V42/I8/3473

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