Assessment of Heavy Metal Pollution in the Sediments of the River Pra and Its Tributaries

Water, Air, and Soil Pollution
Albert Ebo DuncanKwabena Biritwum Nyarko

Abstract

An investigative study was conducted to determine the heavy metal pollution in the sediment in the Pra Basin of Ghana from 27 sampling points during the dry and wet seasons using the geo-accumulation index (Igeo), enrichment factor (EF), and pollution load index (PLI). Sediments were acid digested and analyzed for the following selected metals: arsenic (As), lead (Pb), cadmium (Cd), zinc (Zn), manganese (Mn), total chromium (Cr), nickel (Ni), and iron (Fe) using the dual atomizer and hydride generator atomic absorption spectrophotometer (model ASC-7000 No A309654, Shimadzu, Japan). The metal concentrations (mg kg-1) in the sediments were as follows: As (0.175) < Cd (3.206) < Ni (79.927) < Zn (118.323) < Cr (216.708) < Mn (234.742) < Pb (335.381) < Fe (1354.513) in the dry season and As (0.002) < Cd (7.279) < Ni (72.663) < Zn (35.622) < Pb (135.863) < Cr (167.604) < Mn (183.904) < Fe (1138.551) for the wet season. The EF which is an indication of whether metal concentrations are due to anthropogenic activities shows enrichment at all site for the metals Cr, Pb, and Cd in the wet seasons. However, only 4 out of the 27 sites showed Ni enrichment in the wet season. Contrary to the wet season, only Pb and Cr recorded enrichment at a...Continue Reading

Citations

Aug 21, 2019·Archives of Environmental Contamination and Toxicology·Eliza Kulbat, Aleksandra Sokołowska
Apr 25, 2020·Environmental Science and Pollution Research International·Ashkan Jahandari
May 20, 2020·International Journal of Environmental Research and Public Health·Aleksandra Ziemińska-StolarskaAleksander Szmidt
Jul 17, 2020·Environmental Monitoring and Assessment·Behzad ShahmoradiMoo Joon Shim
Feb 9, 2020·International Journal of Environmental Research and Public Health·Gabycarmen Navarrete-RodríguezFabiola Lango-Reynoso
Oct 23, 2020·Environmental Monitoring and Assessment·Mihayo S NkindaKaroli N Njau
Jan 30, 2021·Water Environment Research : a Research Publication of the Water Environment Federation·Gordon AmankwaaEric Gyimah
May 3, 2021·Journal of Fish Biology·Sareh YaripourRaine Kortet

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