摘要
采煤塌陷水域是淮南矿区一种特殊的地表水体。文章选择矿区不同塌陷年龄的塌陷水域,监测分析其水质理化指标和重金属元素。结果表明:塌陷水域环境状况因塌陷年龄和周边环境差异而不同,具有季节性变化。水域受到了不同程度的污染,部分理化指标随时间增长有累计效应。与国家地表水质量标准比较,水域重金属元素除了Hg严重超标外,其它As、Se、Cd、Cr、Cu、Pb、Zn等均不超标,未对塌陷水域构成重金属污染。通过对不同塌陷水域环境效应进行分析与评价,可为其综合利用提供一定的理论依据。
Water bodies formed in subsidence area of the excavated coalmine in Huainan, Anhui province were investigated with respect to the water quality in terms of heavy metals and other physicochemical parameters. It is shown that aquatic environmental condition of the pools differs depending on the subsiding age, the local environment and the season according to the results of monitoring and analysis of water samples. Accumulative effects of pollution can be noted from the fact that concentration of some parameters including total hardness increase with the time the subsidence endured. It is found that Hg in all the samples exceeds the permitted level in comparison with the relevant national standard while other heavy metals remain low.
出处
《环境科学与技术》
CAS
CSCD
北大核心
2009年第9期140-143,共4页
Environmental Science & Technology
基金
安徽省教育厅重大项目(ZD2007008-1)
安徽省高校青年教师基金项目(2006jq1057)
关键词
塌陷水域
塌陷年龄
理化指标
重金属元素
分析
淮南矿区
subsidence pool
subsidence age
physicochemical indexes
heavy metal elements
analysis
Huainan mining area
