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Test of the relationships between the content of heavy metals in sewage sludge and source of their pollution by chemometric methods

机译:用化学计量法测试污水污泥中重金属含量与污染源之间的关系

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摘要

The content of various metals (Cd, Cr, Cu, Ni, Pb and Zn) in sewage sludge was analysed by ICP-OES technique. The study was performed on 14 samples from the Wielkopolska region and 4 from the neighbouring provinces. The results were used to perform chemometric analysis. Two chemometric methods were used to test the relationships between the content of heavy metals in sewage sludge and the sources of their pollution. The application of cluster analysis displayed important information about the identification of similar locations of sewage sludge sampling stations. This chemometric method showed that all the monitoring locations arc grouped into three main clusters. Separated clusters present similarities between locations of the sewage treatment plants, which have the same kind of industrial plants in their catchment area. Principal component analysis enabled interpretation of the complex relationships between determined elements. Application of principal component analysis to the whole data set helped to distinguish only two sewage sludge stations (Ostrow Wlkp. and Poznan-Kozieglowy) that could be interpreted, each in different principal component thereby suggesting that element's concentration differ considerably. The interpretation of relationships between the rest of the stations was possible by performing PC A for the second time, but on the reduced data set (two above-mentioned stations were excluded). It distinguished two groups: (1) Gniezno, Srem, Kalisz, Inowrodaw and Sroda Wlkp, and (2) Gostyn, Gniezno and Kalisz, which differ with regard to element's concentration.
机译:采用ICP-OES技术分析了污泥中各种金属(Cd,Cr,Cu,Ni,Pb和Zn)的含量。这项研究是对Wielkopolska地区的14个样本和邻近省份的4个样本进行的。结果用于进行化学计量分析。两种化学计量方法被用来检验污水污泥中重金属含量与污染源之间的关系。聚类分析的应用显示了有关识别污泥采样站相似位置的重要信息。这种化学计量学方法表明,所有监测位置都分为三个主要簇。分离的集群在污水处理厂的位置之间存在相似之处,这些污水处理厂在其集水区具有相同类型的工厂。主成分分析可以解释所确定元素之间的复杂关系。将主成分分析应用于整个数据集有助于区分仅两个可以解释的污水污泥站(Ostrow Wlkp。和Poznan-Kozieglowy),每个污泥站的主成分不同,因此表明元素的浓度差异很大。可以通过第二次执行PC A来解释其余站点之间的关系,但是可以使用精简的数据集(不包括两个上述站点)。它区分了两组:(1)Gniezno,Srem,Kalisz,Inowrodaw和Sroda Wlkp,以及(2)Gostyn,Gniezno和Kalisz,它们的元素浓度不同。

著录项

  • 来源
    《Journal of Environmental Science and Health》 |2009年第13ptaa期|1441-1448|共8页
  • 作者单位

    Department of Trace Elements Analysis by Spectroscopy Method, Faculty of Chemistry, Adam Mickiewicz University,Poznan, Poland;

    Department of Trace Elements Analysis by Spectroscopy Method, Faculty of Chemistry, Adam Mickiewicz University,Poznan, Poland`;

    Department of Trace Elements Analysis by Spectroscopy Method, Faculty of Chemistry, Adam Mickiewicz University,Poznan, Poland`;

    Department of Trace Elements Analysis by Spectroscopy Method, Faculty of Chemistry, Adam Mickiewicz University,Poznan, Poland;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    inductively coupled plasma optical emission spectrometry (ICP-OES); sewage sludge; heavy metals; chemometric methods;

    机译:电感耦合等离子体发射光谱法(ICP-OES);污水污泥;重金属;化学计量学方法;

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