Heavy Metals Distribution in Water, Particulate and Sediment of El-Mex Bay, Alexandria, Egypt
Journal of Energy, Environmental & Chemical Engineering
Volume 1, Issue 1, December 2016, Pages: 1-12
Received: Oct. 20, 2016;
Accepted: Nov. 2, 2016;
Published: Nov. 25, 2016
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Mohamed A. Okbah, Marine Chemistry Department, National Institute of Oceanography and Fisheries, Alexandria, Egypt
Mamdouh S. Masoud, Chemistry Department, Faculty of Science, Alexandria University, Alexandria, Egypt
Gehan M. El Zokm, Marine Chemistry Department, National Institute of Oceanography and Fisheries, Alexandria, Egypt
Alyaa A. Abd El-Salam, Marine Chemistry Department, National Institute of Oceanography and Fisheries, Alexandria, Egypt
The aim of this study is to determine the distribution of the heavy metals (Fe, Cu, Pb, Mn, Zn and Cd) between dissolved and particulate form; as well as, in the sediment of El-Mex Bay. Surface and bottom water samples were collected seasonally during the period from September (summer) 2012 to April (spring) 2013. The sediment samples were collected once from all the selected stations in summer 2012. The metals content in the sediments decreased in the order of Fe > Mn >Zn > Pb > Cu > Cd. The measured heavy metal content varied greatly as follows: Fe, 1449-8625 μgg−1 with an average of 4082 ± 188 μgg−1; Mn, 165.08-865.92 μgg−1 with an average of 315.6 ± 178μgg−1; Cu, 5.67- 48.17 μgg−1 with an average of 26.04 ± 19μgg−1; Zn, 17.50- 138.75 μgg−1 with an average of 57.07 ± 130μgg−1; Pb, 7.17- 87.50μgg−1 with an average of 26.81 ± 54μgg−1; Cd, 0.08-1.50 μgg−1 with an average of 0.54 ± 1.05μgg−1. Metal Pollution Index ranged from 24.82 to 92.65 with an average 64. It can be indicated that stations II and VII suffered from metal pollutions with values of 92.56 and 87.23, The Enrichment Factor (EF) of heavy metals of El-Mex Bay sediments can be arranged as the following, EFCd >EFPb >EFCu > EFMn > EFZn. The difference in EF values due to the difference in the magnitude of input for each metal in the sediment. To evaluate water quality index, principal component analysis (PCA) was applied. According to PCA data, Station I and III could be considered as hot spots.
Mohamed A. Okbah,
Mamdouh S. Masoud,
Gehan M. El Zokm,
Alyaa A. Abd El-Salam,
Heavy Metals Distribution in Water, Particulate and Sediment of El-Mex Bay, Alexandria, Egypt, Journal of Energy, Environmental & Chemical Engineering.
Vol. 1, No. 1,
2016, pp. 1-12.
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