新疆天业工业园区周围环境汞污染分析
Hg Contamination in the Vicinity of Tianye Industrial Zone in Xinjiang
查看参考文献33篇
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文摘
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针对天业工业园区工厂运行对周围环境的汞污染程度,通过采集工业园区周边大气、水体、土壤、植物、水生生物样品,采用RA - 915 + 塞曼效应汞分析仪和配套装置测定其总汞含量。结果表明: 大气采样点空气气态单质汞(GEM)含量均没有超过国家环境空气质量二级标准; 参照国家地表水环境质量标准,采样点地表水均为IV 类水; 土壤样品总汞含量在国家土壤环境质量二级标准范围内; 稻谷总汞含量超过食品安全国家标准限值,油菜接近限值,洋葱、玉米在限值之内; 不同鱼类总汞含量为: 肉食性鱼类> 杂食性鱼类> 植物食性鱼类; 无鳞鱼类> 有鳞鱼类,并且,总汞污染水平未超过我国食品卫生标准限值。可以得出,新疆天业集团工业园区周围环境汞污染较轻,但存在潜在风险。 |
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其他语种文摘
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Mercury (Hg) is a highly toxic pollutant to ecosystem and human health. In this study,Hg pollution and its potential ecological risk in the vicinity of Tianye PVC Factory in Xinjiang was investigated. The total Hg concentrations in air,water,soil and plant samples collected from the study area were analyzed by the RA - 915 + Zeeman mercury analyzer. The results showed that gaseous elemental mercury (GEM) concentrations were below the national standard in the Secondary Standard of Air and Environmental Quality. It was identified that the reservoir water quality was in class IV based on the total Hg concentration. The total Hg concentration in all soil samples was within the national standard in the Secondary Standard of Soil Environmental Quality. The total Hg concentration of rice was higher than the limit for national food safety standards,and that of onion,rape and corn was below the limit. The total Hg concentration of various species of fishes were within the national standards of food hygiene standard. The Hg concentration was in an order of carnivorous fishes > omnivorous fishes > plants of predatory fish, and also an order of fish without scales > fish with scales. The results revealed that the study area was slightly polluted by Hg,and there was a potential ecological risk. |
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来源
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干旱区研究
,2014,31(4):779-784 【核心库】
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关键词
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汞
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生态风险
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地表水
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土壤
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作物
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水生生物
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新疆天业工业园区
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地址
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中国科学院新疆生态与地理研究所, 新疆, 乌鲁木齐, 830011
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1001-4675 |
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基金
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中国科学院知识创新工程重要方向项目
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文献收藏号
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CSCD:5191997
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