洞庭湖流域入湖河流水体中全氟及多氟烷基化合物(PFASs)的赋存特征及来源解析

邬颖琪; 曾思晗; 武振浩; 温艳妮; 熊俊武; 景一鸣; 陈安然; 王学亮; 郭军; 陈伟

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中国环境科学 ›› 2026, Vol. 46 ›› Issue (2) : 880-887.

环境生态

洞庭湖流域入湖河流水体中全氟及多氟烷基化合物(PFASs)的赋存特征及来源解析

邬颖琪¹, 曾思晗¹, 武振浩¹, 温艳妮¹, 熊俊武¹, 景一鸣¹, 陈安然¹, 王学亮¹, 郭军², 陈伟^1,2,3

作者信息 +

Occurrences and sources of per- and polyfluoroalkyl substances (PFASs) in water from inflowing rivers of the Dongting Lake basin, China

WU Ying-qi¹, ZENG Si-han¹, WU Zhen-hao¹, WEN Yan-ni¹, XIONG Jun-wu¹, JING Yi-ming¹, CHEN An-ran¹, WANG Xue-liang¹, GUO Jun², CHEN Wei^1,2,3

Author information +

文章历史 +

摘要

为了探究洞庭湖入湖河流中全氟及多氟烷基化合物(PFASs)的赋存特征及来源,采集洞庭湖主要入湖河流丰水期的水体样品,使用超高效液相色谱-三重四级杆质谱联用仪(UPLC-MS/MS)分析水样中22种典型PFASs的浓度,并对该流域PFASs的水平、潜在来源及短链和新型PFASs的替代趋势进行了研究.结果表明,洞庭湖入湖流域所有样品中均有PFASs的检出,22种PFASs共检出19种;PFASs的总浓度范围为0.954~12.50ng/L,主要污染物为全氟辛酸(PFOA)和全氟己酸(PFHxA).流域地表水中PFASs的空间分布特征整体为北高南低,东高西低,其中沱江和新墙河中PFASs的浓度最高,平均值分别为11.83,11.01ng/L.快餐、纺织品与皮革及含氟聚合物的制造是洞庭湖入湖流域水体中PFASs的主要来源,其贡献率占到了91.1%.短链的PFHxA和全氟丁烷磺酸(PFBS)是该流域传统PFASs主要的替代品.

Abstract

To investigate the occurrence characteristics and sources of per- and polyfluoroalkyl substances (PFASs) in the Dongting Lake basin, water samples from the major inflowing rivers were collected during the wet season. The concentrations of 22 typical PFASs were analyzed by ultra-performance liquid chromatography-triple quadrupole mass spectrometer (UPLC-MS/MS), the levels and potential sources of PFASs, and the substitution trends of short-chain and emerging PFASs were then explored. The results showed that 19 out of the 22 target PFASs were detected in the water samples from the inflowing rivers of the Dongting Lake basin. The total concentrations of PFASs ranged from 0.954 to 12.50ng/L with perfluorooctanoic acid (PFOA) and perfluorohexanoic acid (PFHxA) being dominant. The spatial distribution of PFASs in the water showed higher concentrations in the north and east, and lower concentrations in the south and west. The water from the Tuojiang River and the Xinqiang River exhibited the highest PFAS concentrations, with the average concentrations of 11.83ng/L and 11.01ng/L, respectively. Fast food, textiles, and leather and fluoropolymer manufacturing are the main sources of PFASs in the inflowing rivers of the Dongting Lake basin, making 91.1% contribution of total inputs. Short-chain PFHxA and perfluorobutane sulfonic acid (PFBS) were the main substitutes for legacy PFASs in this basin.

导出引用

邬颖琪, 曾思晗, 武振浩, 温艳妮, 熊俊武, 景一鸣, 陈安然, 王学亮, 郭军, 陈伟. 洞庭湖流域入湖河流水体中全氟及多氟烷基化合物(PFASs)的赋存特征及来源解析[J]. 中国环境科学. 2026, 46(2): 880-887

WU Ying-qi, ZENG Si-han, WU Zhen-hao, WEN Yan-ni, XIONG Jun-wu, JING Yi-ming, CHEN An-ran, WANG Xue-liang, GUO Jun, CHEN Wei. Occurrences and sources of per- and polyfluoroalkyl substances (PFASs) in water from inflowing rivers of the Dongting Lake basin, China[J]. China Environmental Science. 2026, 46(2): 880-887

中图分类号： X524

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基金

国家重点研发计划(2019YFC1805502);国家自然科学基金青年项目(41907327,42007178);中国地质调查局地质调查项目(DD20230478);中国地质大学(武汉)中央高校基本科研业务费特色学科团队专项项目(G1323523063);资源与生态环境地质湖北省重点实验室开放基金资助项目(HBREGKFJJ-202301)