乌梁素海水体与沉积物中半挥发性有机物污染水平及风险评估

黄子晏; 张亚辉; 曹家乐; 杜士林; 张瑾; 何连生

doi:10.12153/j.issn.1674-991X.20220376

乌梁素海水体与沉积物中半挥发性有机物污染水平及风险评估

doi: 10.12153/j.issn.1674-991X.20220376

黄子晏^{1, 2,},
张亚辉¹,
曹家乐^{1, 2},
杜士林^1, ,,
张瑾²,
何连生¹

1.
中国环境科学研究院环境检测与实验中心
2.
安徽建筑大学环境与能源工程学院

基金项目: 国家水体污染控制与治理科技重大专项（2017ZX07602-003）

详细信息

作者简介:
黄子晏（1996—），女，硕士研究生，主要从事毒理学及生态风险评估研究，805015725@qq.com

通讯作者:
杜士林（1995—），男，助理工程师，硕士，主要从事生态毒理及风险评估研究，du.shilin@craes.org.cn

中图分类号: X52
计量
- 文章访问数: 339
- HTML全文浏览量: 177
- PDF下载量: 33
- 被引次数: 0
出版历程
- 收稿日期: 2022-04-22
- 录用日期: 2022-09-13
- 修回日期: 2022-09-01
- 网络出版日期: 2022-09-22

Distribution and risk assessment of semi-volatile organic compounds in water and sediment of Ulansuhai Nur

HUANG Ziyan^{1, 2
,},
ZHANG Yahui¹,
CAO Jiale^{1, 2},
DU Shilin^{1
, ,},
ZHANG Jin²,
HE Liansheng¹

1.
Environmental Analysis and Testing Laboratory, Chinese Research Academy of Environmental Sciences
2.
College of Environment and Energy Engineering, Anhui Jianzhu University

摘要

摘要:
为研究乌梁素海水体与表层沉积物中半挥发性有机物(SVOCs)的污染特征和风险水平，对乌梁素海7个点位的水体和沉积物样品进行检测分析。结果表明：水体与沉积物中SVOCs的总浓度为449.7~691.0 ng/L及144.4~587.5 µg/kg；多环芳烃(PAHs)和邻苯二甲酸酯(PAEs)是所有样品中发现的主要污染物；其他SVOCs未检测到或仅检测到微量。水体与沉积物中PAHs污染主要来自石油源及煤炭、生物质燃料燃烧混合来源；PAEs污染主要来自塑料和化工工业，以及生活垃圾；水体和沉积物中主要污染物的生态风险总体上呈低风险。从饮水和暴露接触的角度，乌梁素海呈现的健康风险水平较低。
- 乌梁素海 /
- 半挥发性有机物 /
- 水体 /
- 沉积物 /
- 风险评估
Abstract:
In order to study the pollution characteristics and risk level of semi-volatile organic compounds (SVOCs) in water and surface sediments of Ulansuhai Nur, water and sediment samples from 7 sites were detected and analyzed. The total concentration of SVOCs in water and sedimentary species ranged from 449.7 to 691.0 ng/L and 144.4 to 587.5 µg/kg, respectively. Polycyclic aromatic hydrocarbons (PAHs) and phthalate esters (PAEs) were the main contaminant compounds found in all samples. Other SVOCs were not detected or only trace. PAHs pollution in water and sediment mainly came from petroleum source and mixed source of coal and biomass fuel combustion. PAEs pollution mainly came from plastics and chemical industry and domestic wastes. The ecological risk of the main contaminants in water and sediment of Ulansuhai Nur was at a low level in general, and the health risk also presented a low level in terms of drinking water and exposure.
- Ulansuhai Nur /
- semi-volatile organic compounds /
- water body /
- sediments /
- risk assessment

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图 1 乌梁素海采样点位分布

Figure 1. Distribution of sampling points in Ulansuhai Nur

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图 2 研究区域7个样点SVOCs在水体及沉积物中的浓度分布

Figure 2. Concentration distributions of SVOCs in water and sediment samples from 7 sampling sites of Ulansuhai Nur

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图 3 国内外水体与沉积物中PAHs浓度

Figure 3. PAHs content in water and sediment at home and abroad

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图 4 国内外水体沉积物中PAEs浓度

Figure 4. PAEs content in sediment at home and abroad

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图 5 乌梁素海沉积物中PAHs异构体比值源解析

Figure 5. Cross plot for the different ratios of isomer PAHs in Ulansuhai Nur sediment samples

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图 6 乌梁素海沉积物中PAEs的主成分析

Figure 6. Rotated principal components of PAEs in sediment from Ulansuhai Nur

下载: 全尺寸图片幻灯片

表 1 乌梁素海水体中PAHs各化合物间的相关性分析

Table 1. Correlation analysis of differient PAHs in waters of Ulansuhai Nur

化合物	咔唑	2-甲基萘	萘	菲	荧蒽	苯并[b] 荧蒽	苯并[a]芘
咔唑	1
2-甲基萘	0.452	1
萘	0.063	0.883^**	1
菲	0.550	−0.002	−0.391	1
荧蒽	0.572	−0.322	−0.652	0.599	1
苯并[b]荧蒽	0.511	−0.303	−0.568	0.776^*	0.954^**	1
苯并[a]芘	0.782	−0.165	−0.513	0.699	0.855^*	0.755^*	1
注：表示在0.05水平上显著相关，*表示在0.01水平上显著相关。

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表 2 乌梁素海表层沉积物中PAHs的质量基准评价

Table 2. SQGs-based assessment of PAHs in sediments of Ulansuhai Nur

化合物	ERL/ （µg/kg）	ERM/ （µg/kg）	检出范围/ （µg/kg）	占比/%
化合物	ERL/ （µg/kg）	ERM/ （µg/kg）	检出范围/ （µg/kg）	<ERL	ERL-ERM
萘	160	2100	6.6~82	100
苊烯	44	640	0.4~10.5	100
苊	16	500	0.5~19.4	100
芴	19	500	3.3~45.7	85.7	14.3
菲	240	1500	13.5~159.9	100
蒽	86.3	1100	1.4~18.6	100
荧蒽	600	5100	7.3~124.7	100
芘	665	2600	5.6~74.3	100
苯并[a]蒽	261	1600	9.8~90.3	100
䓛	384	2800	2~62.3	100
苯并[b]荧蒽	320	1880	5.5~95.5	100
苯并[k]荧蒽	280	1620	1.7~36.8	100
苯并[a]芘	430	1600	0~123.3	100
二苯并[a,h]蒽	634	260	0~56.9	100
苯并[g,h,i]苝	430	1600	0~211.4	100

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表 3 乌梁素海沉积物中 4 种 PAEs 的 RQ 分布

Table 3. RQ values of four PAEs in sediments of Ulansuhai Nur

化合物	种群	种类	PNEC/ (µg/g)	RQ
DBP	藻类	Pseudokirchneriella subcapitata	2.33	0~0.015
	甲壳类动物	Daphnia magna	10.6	0~0.003
	鱼类	Oncorhynchus mykiss	1.11	0~0.032
BBP	藻类	Pseudokirchneriella subcapitata	0.17	0~0.22
	甲壳类动物	Daphnia magna	0.8	0~0.05
	鱼类	Oncorhynchus mykiss	0.12	0~0.32

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