Concentration of Heavy and Toxic Metals in Downstream of Sungun Mine Dumping Site and the Role of Lime-Bed of the River in the Attenuation of the Pollutants

Document Type : Research Article

Authors

1 Master graduate, Department of Earth Science, University of Tabriz

2 Assistant Professor, Department of Earth Science, University of Tabriz

3 Associate Professor, Department of Earth Sciences, University of Tabriz

4 Master of Environmental Sciences, Azerbaijan Copper Complex, National Iranian Copper Industries Company

Abstract

Pollution of rivers can be decreased by means of self-purification character of rivers. Activity of the Sungun copper mine at north west of Iran, causes pollution of the downstream. Also, the study of river’s water quality and self- purification potential changing procedure are very important. For this purpose, the samples were selected from 9 stations in Sungun mining area in Sungunchai, Pakhirchai, Arghanehchai, Miankafe and Ilgineh rivers, and chemical parameters such as pH, EC, TDS, TSS and heavy metals were studied. HPI (Heavy Metal pollution index) and MI (metal index) are used for investigation of heavy metal pollution. The evidence shows that contamination was decreased at the river route and correlation of this phenomenon with pH value was investigated. The correlation between heavy metal in water and sediment was compared, and it was found that, concentration of heavy metal in water and sediment have a correlation and it influenced from changing of pH value. Interaction between water and limestone in the river-bed caused an increase in self-purification of the river.

Keywords

References

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Iranian journal of Ecohydrology
Volume 7, Issue 3
October 2020
Pages 743-756

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History

  • Receive Date: 17 April 2020
  • Revise Date: 17 August 2020
  • Accept Date: 17 August 2020
  • First Publish Date: 22 September 2020
  • Publish Date: 22 September 2020

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