长江流域资源与环境 >> 2009, Vol. 18 >> Issue (5): 466-.

• 生态环境 • 上一篇    下一篇

红枫湖地表水中多环芳烃的分布及来源

罗世霞1| 朱淮武1*| 张笑一1| 关小满2   

  1. (1.贵州师范大学理学院| 贵州 贵阳 550001; 2.山东省商业职业技术学院| 山东 济南 250103)
  • 出版日期:2009-05-20

DISTRIBUTION AND SOURCES OF POLYCYCLIC AROMATIC HYDROCARBONS IN SURFACE WATER FROM HONGFENG LAKE

LUO Shixia1| ZHU Huaiwu1| ZHANG Xiaoyi1| GUAN Xiaoman2   

  1. (1.School of Science, Guizhou Normal University, Guiyang 550001, China; 2.Shandong Institute of Commerce and Technology, Jinan 250103, China)
  • Online:2009-05-20

摘要:

将固相微萃取与气相色谱联用,对贵阳红枫湖水样中16种美国环境保护署优控的多环芳烃进行分析。结果表明:红枫湖水中16种多环芳烃总量为0167 1~0336 4 μg/L,与国内其它水系相比,湖中存在多环芳烃轻度污染。7种(萘、荧蒽、苯并(b)荧蒽、苯并(k)荧蒽、苯并(a)芘、茚并(1,2,3-cd)芘和苯并(ghi)苝)多环芳烃的总量未超出中国城市供水行业对多环芳烃规定的限值,但作为饮用水源,红枫湖水中的苯并(a)芘含量已超出我国标准GB3838-2002中生活饮用水地表水源地的苯并(a)芘限值,并且苯并(a)蒽、〖JX-*9〗〖SX(B-25x〗〖HT7,5”〗艹〖〗〖HT6”,5”〗屈〖HT5”〗〖SX)〗〖JX*9〗、苯并(b)荧蒽、苯并(k)荧蒽、苯并(a)芘、茚并(1,2,3-cd)芘的含量也超过了美国环境保护署地表水水质标准限值。通过多环芳烃特征参数的比值,分析了红枫湖水中多环芳烃的污染来源。污染源分析表明,湖中多环芳烃的主要来源为燃烧源,包括木材、煤以及化石燃料的燃烧,同时也有一部分多环芳烃是来源石油类物质的输入.

关键词: 红枫湖/地表水/多环芳烃/来源

Abstract:

The determination of sixteen polycyclic aromatic hydrocarbons (PAHs) which are United States Environmental Protection Agency (US EPA) priority in surface water from Guiyang Hongfeng Lake has been developed using solidphase microextraction coupled with gas chromatography.The results showed that the total concentrations of sixteen PAHs in water ranged from 0167 1 to 0336 4 μg/L.The Hongfeng Lake was lightly polluted,in comparison with values reported from other river in China.The total concentrations of seven PAHs including naphthalene,fluoranthene,benzo(b)fluoranthene,benzo(k)fluoranthene,benzo(a)pyrene,indeno(1,2,3cd)pyrene and benzo(g,h,i)perylene weren’t above the limit of drinking water standards for Chinese water supply industry;however the Hongfeng Lake worked as a source for drinking water,the content of benzo(a)pyrene in water exceeded the limit of standard for source water of drinking water in China (GB 38382002),and the concentration of benzo(a)anthracene,chrysene,benzo(b)fluoranthene,benzo(k)fluoranthene,benzo(a)pyrene,indeno(1,2,3cd)pyrene was above standards for surface water of US EPA.In addition,the ratios of selected PAHs were applied to apportion sources of PAHs in surface water from Guiyang Hongfeng Lake.

Key words: Hongfeng Lake/surface water/polycyclic aromatic hydrocarbons/source

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