松花江吉林市段江水与沉积物中多环芳烃的分布、 来源和生态风险

吉林大学学报(理学版)

松花江吉林市段江水与沉积物中多环芳烃的分布、来源和生态风险

陈思¹, 葛睿¹, 王鹏², 许云竹¹, 李仁声³, 花修艺¹, 郭志勇¹, 梁大鹏^1, 董德明¹

1. 吉林大学地下水资源与环境教育部重点实验室, 水资源与水环境吉林省重点实验室, 环境与资源学院, 长春130012;[JP]2. 河北省质量技术监督局审查事务中心, 石家庄 050000; 3. 长春市环境监测中心站, 长春 130012

收稿日期:2013-09-12 出版日期:2014-05-26 发布日期:2014-08-27
通讯作者: 董德明 E-mail:dmdong@mail.jlu.edu.cn

Distribution, Sources and Risk Assessment of Polycyclic Aromatic Hydrocarbons in Water and Sedimentsfrom Jilin City Section of Songhua River

CHEN Si¹, GE Rui¹, WANG Peng², XU Yunzhu¹, LI Rensheng³, HUA Xiuyi¹, GUO Zhiyong¹, LIANG Dapeng¹, DONG Deming^1

1. Key Lab of Groundwater Resources and Environment of Ministry of Education, Key Lab of Water Resources andAquatic Environment of Jilin Province, College of Environment and Resources, Jilin University, Changchun 130012, China;[JP]2. Review Affairs Center, Hebei Province Administration of Quality and Technical Supervision,Shijiazhuang 050000, China; 3. Environment Monitoring Station of Changchun, Changchun 130012, China

Received:2013-09-12 Online:2014-05-26 Published:2014-08-27
Contact: DONG Deming E-mail:dmdong@mail.jlu.edu.cn

摘要/Abstract

摘要：

在丰水期、枯水期和平水期分别采集松花江吉林市段的江水和沉积物样品, 先用气相色谱质谱联用仪(GCMS)测定其中16种多环芳烃（PAHs）的含量, 再通过比值法对各水期江水和沉积物中的PAHs进行来源识别, 并分别利用商值法和风险效应值法评价江水和沉积物的生态风险. 结果表明: 松花江吉林市段丰水期、枯水期和平水期江水中PAHs的质量浓度分别为0.917~3.974 μg/L,0.980~3.293 μg/L和0.771~4.127 μg/L; 丰水期和平水期沉积物中PAHs的质量比分别为1 035.5~1 732.0 ng/g和1 188.5~1 632.0 ng/g; 不同水期江水中的PAHs质量浓度变化较大, 沉积物中的PAHs质量比变化较小; PAHs为石油源和燃烧源混合输入所致; 江水中PAHs的生态风险较小, 表层沉积物中的PAHs具有一定的生态风险.

关键词: 多环芳烃, 分布特征, 源解析, 松花江, 风险评价

Abstract:

Water samples and surface sediment samples from Jilin City section of Songhua River were collected in wet period, dry period and level period and 16 individual concentrations of polycyclic aromatic hydrocarbons (PAHs) were analyzed by gas chromatographmass spectrometry(GCMS). The total mass
concentrations of PAHs in the water samples in the wet period, dry period and the level period were 0.917—3.974 μg/L, 0.980—3.293 μg/L and 0.771—4.127 μg/L respectively. The total mass concentrations of PAHs in the surface sediment samples in the wet period and the level period were 1 035.5—1 732.0 ng/g and 1 188.5—1 632.0 ng/g respectively. The mass concentrations of PAHs in the water samples changed relatively large in different water periods but the concentrations of PAHs in the surface sediment samples were relatively stable. PAHs in the water and surface sediment in each water period originated both from the petroleum sources and the combustion sources according to the analysis by ratio method. The preliminary assessment with quotient method showed that the ecological risk of PAHs in water was low. The ecological risk assessment with effects range method showed that the surface sediments of this reach had certain ecological risk.

Key words: polycyclic aromatic hydrocarbon, distribution characteristic, source apportionment, Songhua River； risk assessment

中图分类号:

X522

陈思, 葛睿, 王鹏, 许云竹, 李仁声, 花修艺, 郭志勇, 梁大鹏, 董德明. 松花江吉林市段江水与沉积物中多环芳烃的分布、来源和生态风险[J]. 吉林大学学报(理学版), 2014, 52(03): 623-630.

CHEN Si, GE Rui, WANG Peng, XU Yunzhu, LI Rensheng, HUA Xiuyi, GUO Zhiyong, LIANG Dapeng, DONG Deming. Distribution, Sources and Risk Assessment of Polycyclic Aromatic Hydrocarbons in Water and Sedimentsfrom Jilin City Section of Songhua River[J]. Journal of Jilin University Science Edition, 2014, 52(03): 623-630.

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