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International Journal of Mining and Geo-Engineering، جلد ۵۵، شماره ۲، صفحات ۱۱۷-۱۲۴
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عنوان انگلیسی The role of Mineral Salts Company in pollution of Mighan playa sediments with heavy metals by contamination indices and multivariate analysis methods, Arak, Iran
چکیده انگلیسی مقاله Heavy metal concentrations were investigated for 30 sediments collected from different regions of Mighan playa/lake. The means of Cr, Cu, Ni, Pb, Zn and Cd in sediments of playa/lake were much lower than the soil guideline values of Iran and background values of region (BVR). However, the maximum concentrations of Cr, Cu, Ni, Pb, Zn and Cd were higher than BVR. Only 7% of Cr, Cu, Zn, 27% of Ni, 14% of Pb and 38% of Cd concentration exceeded the BVR. The heavy metal Cr, Zn, Ni and Cd are the most important metals in different land use. About 11% of the samples in the lake land use contain Cr, Ni, Pb and Zn has concentration higher than BVR. The concentration of Cu and Pb in 33% and 67% samples is exceeded the BVR in Tail of Mineral Salts Company. The spatial distribution patterns of Cr, Cu, Ni, Pb, Zn and Cd were generally similar and increase from Mighan playa/lake to the Arak city and mainly affected by anthropogenic sources. Among the six types of land use, the concentrations of Cr, Ni, Zn and Cd in the range land and wastewater sludge were significantly higher than those in the other land use (p < 0.05). In factor analysis, Cr, Ni, Zn in factor1, Cd in factor2, Pb, Zn in factor3 were originated from the municipal sewage, industrial plants activities and Arak urban traffic.
کلیدواژه‌های انگلیسی مقاله heavy metal pollution, Soil and sediment contamination, Anthropogenic sources, Statistical methods, Mighan playa/lake
نویسندگان مقاله ّFeridon Ghadimi |
Department of Mining Engineering, Arak University of Technology, Arak, Iran

Abdolmotaleb Hajati |
Department of Mining Engineering, Arak University of Technology, Arak, Iran

Akram Sabzian |
Incubator of earth researchers .Arak University of Technology

نشانی اینترنتی https://ijmge.ut.ac.ir/article_82445_d1aaebfdfb230a1669e1917b5b36f836.pdf
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