彩钢行业VOCs排放特征及O<sub>3</sub>和SOA生成潜势

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Abstract

To obtain the characteristic volatile organic compounds (VOCs) spectrum of the color steel industry, the quantitative analysis of VOCs in the production workshop and exhaust gas treatment equipment of a typical color steel enterprise of Zhejiang Province was carried out by sorbent adsorption-thermal desorption-gas chromatography mass spectrometry method. And the maximum increment reactivity (MIR) and fractional aerosol coefficients (FAC) methods were used to estimate the ozone (O₃) and secondary organic aerosol (SOA) formation potential of VOCs. The composition of the waste gas in the color steel industry was complex, and the proportion of esters and alcohols was more than 50%. The concentration level of VOCs in workshop tended to be affected greatly by temperature, and in summer it was almost 1.6~4.2 times of that in winter. The ozone formation potential contribution rate of the aromatic hydrocarbons and alcohols was 70.0% and 28.05%, respectively, while the SOA formation potential was totally contributed by aromatics.

Key words： color steel source emission profiles of VOCs ozone formation potential (OFP) aerosol formation potential (AFP)

Received: 29 August 2018

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X511

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	Articles by authors
	ZHOU Yan-fang
	CHEN Meng-xia
	DING Jia-feng
	ZHAO Wei-rong

Cite this article:

ZHOU Yan-fang,CHEN Meng-xia,DING Jia-feng等. VOCs emission characteristics of color steel industry and formation potential of ozone and secondary organic aerosol[J]. CHINA ENVIRONMENTAL SCIENCECE, 2019, 39(4): 1365-1370.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2019/V39/I4/1365

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