Ecological risk assessment of heavy metals from cement factory dust
Journal Title: Environmental Health Engineering and Management Journal - Year 2019, Vol 6, Issue 2
Abstract
Background: The release of metals from industrial factories is one of the most important sources of environmental pollution. The present study aimed to determine the concentration of heavy metals like cadmium (Cd), chromium (Cr), manganese (Mn), nickel (Ni), and lead (Pb) in dust around the cement factory. Methods: A total of 22 dust samples were collected from areas around the cement factory in Isfahan province in spring and summer and transferred to laboratory for chemical digestion. Risk index (RI), integrated pollution index (IPI), mean of contamination degree (mCd), and contamination factor (Cf i) were calculated to determine the contamination status. Results: The concentration of heavy metals in the falling dust around the factory was expressed as Cd <Ni <Pb <Mn <Cr. Pearson correlation showed that there is only a significant negative relationship between the concentration of Cd and the distance from the factory. By increasing the distance from the factory, the concentration of Cd in dust decreased. The results of falling dust analysis showed that Cr has a high-risk potential in two seasons of spring and summer and Cd has a middle level of pollution in spring. Conclusion: According to the results, the deposited dust of study area is considered as a polluted dust and it is at higher risk of pollution with Cd and Cr. Keywords: Cement factory, Dust, Environmental pollution,
Authors and Affiliations
Firouzeh Yadegarnia Naeini , Hamidreza Azimzadeh* , Asghar Mosleh Arani, Ahad Sotoudeh , Bahman Kiani
Keywords
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- EP ID EP45474
- DOI 10.15171/EHEM.2019.15
- Views 322
- Downloads 0
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