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Partition of metals in the Vistula River and in effluents from sewage treatment plants in the region of Cracow (Poland)

机译:维斯杜拉河中的金属分配以及克拉科夫(波兰)地区污水处理厂的废水中的金属分配

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摘要

The Vistula River suffers from heavy pollution with multiple origins. In the upper reaches, metallic and chlorine pollution originates from the mining and industrial region of Upper Silesia. Downstream from Upper Silesia, urban and industrial sewage adds more metallic and organic contaminants from the large urban agglomeration of Cracow. Although the river status is monitored routinely, little is known about the partition of metals between particulate and dissolved forms. This study focuses on metal partitioning and on the impact of the two main wastewater treatment plants at Cracow on metal concentrations in the Vistula River. The Cd, Co, Cu, Mn, Pb and Zn content was measured in both dissolved and particulate fractions. High metal concentrations in the Vistula River persist, although current levels seem to be lower than those in the past. Metal concentrations in the Vistula River and effluents from the sewage treatment plants at Cracow are similar, indicating a relatively minor contribution from the treated sewage. However, untreated sewage may be a significant source of contaminants. Despite high anthropogenic metal concentrations, the metal partitioning coefficients (Kd) in the Vistula are similar to these found in unpolluted rivers. Within a narrow pH range, Kd values depend on the metal affinity to particles, but there is no evidence of dependence on particle or chloride concentrations. An important fraction of the toxic metals Pb and Cd is associated with particles, which may decrease their immediate availability to the biota of the river.
机译:维斯瓦河(Vistula River)遭受了多重污染的重污染。在上游,金属和氯污染源于上西里西亚的采矿和工业区。在上西里西亚的下游,城市和工业污水从克拉科夫的大型城市群中增加了更多的金属和有机污染物。尽管定期监测河流状况,但对颗粒物和溶解物之间的金属分配知之甚少。这项研究的重点是金属分配以及克拉科夫的两个主要废水处理厂对维斯杜拉河中金属浓度的影响。在溶解部分和颗粒部分中都测量了Cd,Co,Cu,Mn,Pb和Zn的含量。尽管目前的水平似乎低于过去,但维斯杜拉河中的高金属含量仍在持续。维斯杜拉河中的金属浓度与克拉科夫的污水处理厂的废水相似,表明处理后的污水贡献相对较小。但是,未经处理的污水可能是污染物的重要来源。尽管人为的金属浓度很高,维斯瓦河中的金属分配系数(Kd)与未污染的河流中的相似。在狭窄的pH范围内,Kd值取决于金属对颗粒的亲和力,但没有证据表明其与颗粒或氯化物浓度有关。有毒金属Pb和Cd的重要部分与颗粒有关,这可能会降低其对河流生物区系的直接可用性。

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  • 来源
    《Lakes & Reservoirs》 |2000年第2期|59-66|共8页
  • 作者单位

    Institut F.-A. Forel and Institut F.-A. Forel and;

    Institut F.-A. Forel and Centre d’Etudes en Sciences Naturelles de l’Environnement The University of Geneva 10 route de Suisse CH-1290 Versoix Switzerland;

    Institut F.-A. Forel and;

    Institut F.-A. Forel and;

    Institut F.-A. Forel and Centre d’Etudes en Sciences Naturelles de l’Environnement The University of Geneva 10 route de Suisse CH-1290 Versoix Switzerland;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    metal; partitioning; pollution; river water; sewage; suspension; Vistula;

    机译:金属;隔板;污染;河水;污水;悬浮液;维斯瓦;

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