Environmental assessment of contaminated soils in Dostbaiglou mine (north of Meshginshahr-Iran)

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TALAEI REZA; PEYROWAN HAMIDREZA; AZIMI MOTEM FARZANEH

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Journal: JOURNAL OF NATURAL ENVIRONMENT HAZARDS Year:2019 | Volume:8 | Issue:20 Page(s): 147-166

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Title

Environmental assessment of contaminated soils in Dostbaiglou mine (north of Meshginshahr-Iran)

Author(s)

TALAEI REZA | PEYROWAN HAMIDREZA | AZIMI MOTEM FARZANEH | Issue Writer Certificate

Keywords

ContaminationQ2

SoilQ2

PathologicalQ1

CarcinogenicQ1

ElementsQ1

EnvironmentQ1

Abstract

Contamination of Soil with Pathological and Carcinogenic toxic Elements presents a vitally important challenge for the Environment. The dispersed Contamination source is one of the important pollution sources, which different Elements originate from weathering of rock and alterations zones and diffuse in the Environment. The mine lands are considered as one of the dispersed Contamination sources. In these locations, excavation, concentration, and uncovering of some Elements cause Contamination of Soil, which leads to Contamination of the Environment. This paper presents the pollution load of toxic Elements in 236 Soil samples collected around mining zone in the north of Meshginshahr, northwest of Iran. Pollution intensity of the Soils was calculated based on the pollution index and enrichment factor. Classification of the Soils was done by using the factorial and cluster analysis. Soil samples collected in this study contain higher concentrations of harmful Elements compared to the target and intervention limits set by international regulatory standards. Concentration of Elements such as As (3-3430mg/kg), Mo (0. 5-160mg/kg), Sb (0. 21-97. 6mg/kg), Pb (3. 7-518mg/kg), Cu (10-748mg/kg) and Sn (0. 5-11. 4mg/kg) was found to be very high in the region Soils. Some of the Soil samples also have a worrying levels of Cr (3-267mg/kg), Mn (27-4120mg/kg) and Co (0. 5-211mg/kg) concentrations. As per the pollution index, 19. 4-66. 7% of the Soils on the mineralized and altered zones in the region are considered as contaminated with toxic Elements. There is a high variation of concentration of Elements in the Soil samples. Distribution of the Elements has been influenced heavily by both chemical (pH, organic carbon content (%), the concentration of Fe + Mn, Al, and S) and physical (grain size < 63μ m) factors. Emphasis needs to be put on control measures of pollution and remediation techniques in the study area.

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APA: Copy

TALAEI, REZA, PEYROWAN, HAMIDREZA, & AZIMI MOTEM, FARZANEH. (2019). Environmental assessment of contaminated soils in Dostbaiglou mine (north of Meshginshahr-Iran). JOURNAL OF NATURAL ENVIRONMENT HAZARDS, 8(20 ), 147-166. SID. https://sid.ir/paper/372114/en

Vancouver: Copy

TALAEI REZA, PEYROWAN HAMIDREZA, AZIMI MOTEM FARZANEH. Environmental assessment of contaminated soils in Dostbaiglou mine (north of Meshginshahr-Iran). JOURNAL OF NATURAL ENVIRONMENT HAZARDS[Internet]. 2019;8(20 ):147-166. Available from: https://sid.ir/paper/372114/en

IEEE: Copy

REZA TALAEI, HAMIDREZA PEYROWAN, and FARZANEH AZIMI MOTEM, “Environmental assessment of contaminated soils in Dostbaiglou mine (north of Meshginshahr-Iran),” JOURNAL OF NATURAL ENVIRONMENT HAZARDS, vol. 8, no. 20 , pp. 147–166, 2019, [Online]. Available: https://sid.ir/paper/372114/en

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