焦化厂4种含氧多环芳烃特征及健康风险评估

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摘要为明确焦化厂区环境介质中含氧多环芳烃(OPAHs)的污染特征和致癌风险,采集JD和PF焦化厂植物、土壤和环境空气样品,利用气相色谱-质谱联用仪(GC-MSD)测试其中1-苊酮(1-ANO)、9-芴酮(9-FLU)、蒽醌(9,10-ATQ)和苯并蒽酮(BZO)4种OPAHs浓度.结果表明:PF厂植物、土壤和环境空气中Σ₄OPAHs的浓度均高于JD厂,且两厂环境介质中均是9-FLU和9,10-ATQ占主导地位.环境空气-土壤的逸度研究表明PF厂9-FLU处于平衡状态,9,10-ATQ由土壤释放到环境空气中.通过摄入、皮肤接触和吸入3种途径对成人进行了人体健康风险评估,发现JD和PF厂土壤中OPAHs对成人的致癌风险均是可接受的,厂区环境空气中OPAHs的致癌风险对成人也是可接受的.研究结果为OPAHs防控措施的制定提供依据.

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	程玉环
	刘效峰
	谭欣
	李欣泱
	王昆

关键词 ：炼焦, 含氧多环芳烃, 环境介质, 迁移转化, 健康风险评价

Abstract：In order to identify the pollution characteristics and carcinogenic risk of oxygenated polycyclic aromatic hydrocarbons (OPAHs) in the environmental media in the coking plants, vegetation, soil and ambient air samples were collected in JD and PF coking plants. Four species of OPAHs, including 1-acenaphthenone (1-ANO), 9-fluorenone (9-FLU), 9,10-anthraquinone (9,10-ATQ), and benzanthrone (BZO), were detected using gas chromatography-mass spectrometry detector (GC-MSD). The results showed that the concentrations of Σ₄OPAHs in vegetations, soils, and ambient air in PF plant were higher than those in JD plant, respectively, and 9-FLU and 9,10-ATQ were dominated in the environmental media in both plants. The fugacity of ambient air-soil showed that 9-FLU was in equilibrium between the air and soil, and 9,10-ATQ released from soil into the air in PF plant. Human health risks were assessed for adults through ingestion, dermal contact and inhalation. The carcinogenic risks of OPAHs in the soils in JD and PF plants were acceptable for adults, and the carcinogenic risks of OPAHs in the ambient air in both plants were also acceptable for adults. The results provide a basis for the formulation of OPAH prevention and control measures.

Key words： coking oxygenated polycyclic aromatic hydrocarbons environmental media migration and transformation health risk assessment

收稿日期: 2024-07-09

PACS:	X132
	X513

基金资助:山西省基础研究计划项目(202203021211182);山西省回国留学人员科研资助项目(2021-052)

作者简介: 程玉环(2000-),女,山西省晋城市人,太原理工大学硕士研究生,主要从事大气环境化学研究.3351309627@qq.com.

引用本文:

程玉环, 刘效峰, 谭欣, 李欣泱, 王昆. 焦化厂4种含氧多环芳烃特征及健康风险评估[J]. 中国环境科学, 2025, 45(3): 1647-1656. CHENG Yu-huan, LIU Xiao-feng, TAN Xin, LI Xin-yang, WANG Kun. Characteristics and health risk of four oxygenated polycyclic aromatic hydrocarbons in coking plants. CHINA ENVIRONMENTAL SCIENCECE, 2025, 45(3): 1647-1656.

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http://www.zghjkx.com.cn/CN/ 或 http://www.zghjkx.com.cn/CN/Y2025/V45/I3/1647

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