Environmental Effect of Dredging and Geochemical Fractionation of Heavy METALS in Sediments Removed from River

Ogbu Victor; Osu Charles Ikenna; Iwuoha Godson Ndubuisi

doi:doi:10.11648/j.mc.20180604.11

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Environmental Effect of Dredging and Geochemical Fractionation of Heavy METALS in Sediments Removed from River

Ogbu Victor, Osu Charles Ikenna, Iwuoha Godson Ndubuisi

Published in Modern Chemistry (Volume 6, Issue 4)

Received: 5 August 2018 Accepted: 6 September 2018 Published: 10 January 2019

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Abstract

Geochemical fractionation of six heavy metals; Zn, Pb, Cd, Cu, Cr, and Ni in soil from two dredging sites at Chokocho and Umuechem communities in Etche Local Government Area of Rivers State, Nigeria, which is characterized by domestic, oil exploration and other industrial activities. The heavy metal concentration determined were 26.30 ± 0.38 mg/kg, Pb; 10.60 ± 0.04 mg/kg, Cd; 486.00 ± 1.20 mg/kg, Zn; 35.50 ± 0.30 mg/kg, Cr; 43.50 ± 0.40 mg/kg, Ni and 37.70 ± 0.10 mg/kg, Cu for Chokocho site. For Umuechem site, the concentration of the metals revealed were 18.40 ± 0.10 mg/kg, Pb; 6.80 ± 0.70 mg/kg, Cd; 437.00 ± 0.60 mg/kg, Zn; 29.30 ± 0.20 mg/kg, Cr; 36.40 ± 0.10 mg/kg, Ni; and 28.30 ± 0.20 mg/kg, Cu. Results from umuechem site was greater than Chokocho site. Heavy metal fractionation using conventional method was adopted for sequential extraction which was accomplished in five steps. Results revealed that Cd and Pb were dispersed more at exchangeable phase in the sample; Cu and Zn were the least bioavailable. Cd, Pb, and Cr show health risks because of high percent in the exchangeable or dissolved fraction. The results of the analysis also revealed that the bioavailablity and mobility of the heavy metals were in order; Cd > Pb > Cr > Ni > Zn > Cu.

Published in	Modern Chemistry (Volume 6, Issue 4)
DOI	10.11648/j.mc.20180604.11
Page(s)	44-49
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2019. Published by Science Publishing Group

Keywords

Dredging, Geochemical Fraction, Contamination, Pollution

References

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APA Style

Ogbu Victor, Osu Charles Ikenna, Iwuoha Godson Ndubuisi. (2019). Environmental Effect of Dredging and Geochemical Fractionation of Heavy METALS in Sediments Removed from River. Modern Chemistry, 6(4), 44-49. https://doi.org/10.11648/j.mc.20180604.11

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ACS Style

Ogbu Victor; Osu Charles Ikenna; Iwuoha Godson Ndubuisi. Environmental Effect of Dredging and Geochemical Fractionation of Heavy METALS in Sediments Removed from River. Mod. Chem. 2019, 6(4), 44-49. doi: 10.11648/j.mc.20180604.11

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AMA Style

Ogbu Victor, Osu Charles Ikenna, Iwuoha Godson Ndubuisi. Environmental Effect of Dredging and Geochemical Fractionation of Heavy METALS in Sediments Removed from River. Mod Chem. 2019;6(4):44-49. doi: 10.11648/j.mc.20180604.11

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@article{10.11648/j.mc.20180604.11,
  author = {Ogbu Victor and Osu Charles Ikenna and Iwuoha Godson Ndubuisi},
  title = {Environmental Effect of Dredging and Geochemical Fractionation of Heavy METALS in Sediments Removed from River},
  journal = {Modern Chemistry},
  volume = {6},
  number = {4},
  pages = {44-49},
  doi = {10.11648/j.mc.20180604.11},
  url = {https://doi.org/10.11648/j.mc.20180604.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.mc.20180604.11},
  abstract = {Geochemical fractionation of six heavy metals; Zn, Pb, Cd, Cu, Cr, and Ni in soil from two dredging sites at Chokocho and Umuechem communities in Etche Local Government Area of Rivers State, Nigeria, which is characterized by domestic, oil exploration and other industrial activities. The heavy metal concentration determined were 26.30 ± 0.38 mg/kg, Pb; 10.60 ± 0.04 mg/kg, Cd; 486.00 ± 1.20 mg/kg, Zn; 35.50 ± 0.30 mg/kg, Cr; 43.50 ± 0.40 mg/kg, Ni and 37.70 ± 0.10 mg/kg, Cu for Chokocho site. For Umuechem site, the concentration of the metals revealed were 18.40 ± 0.10 mg/kg, Pb; 6.80 ± 0.70 mg/kg, Cd; 437.00 ± 0.60 mg/kg, Zn; 29.30 ± 0.20 mg/kg, Cr; 36.40 ± 0.10 mg/kg, Ni; and 28.30 ± 0.20 mg/kg, Cu. Results from umuechem site was greater than Chokocho site. Heavy metal fractionation using conventional method was adopted for sequential extraction which was accomplished in five steps. Results revealed that Cd and Pb were dispersed more at exchangeable phase in the sample; Cu and Zn were the least bioavailable. Cd, Pb, and Cr show health risks because of high percent in the exchangeable or dissolved fraction. The results of the analysis also revealed that the bioavailablity and mobility of the heavy metals were in order; Cd > Pb > Cr > Ni > Zn > Cu.},
 year = {2019}
}

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TY  - JOUR
T1  - Environmental Effect of Dredging and Geochemical Fractionation of Heavy METALS in Sediments Removed from River
AU  - Ogbu Victor
AU  - Osu Charles Ikenna
AU  - Iwuoha Godson Ndubuisi
Y1  - 2019/01/10
PY  - 2019
N1  - https://doi.org/10.11648/j.mc.20180604.11
DO  - 10.11648/j.mc.20180604.11
T2  - Modern Chemistry
JF  - Modern Chemistry
JO  - Modern Chemistry
SP  - 44
EP  - 49
PB  - Science Publishing Group
SN  - 2329-180X
UR  - https://doi.org/10.11648/j.mc.20180604.11
AB  - Geochemical fractionation of six heavy metals; Zn, Pb, Cd, Cu, Cr, and Ni in soil from two dredging sites at Chokocho and Umuechem communities in Etche Local Government Area of Rivers State, Nigeria, which is characterized by domestic, oil exploration and other industrial activities. The heavy metal concentration determined were 26.30 ± 0.38 mg/kg, Pb; 10.60 ± 0.04 mg/kg, Cd; 486.00 ± 1.20 mg/kg, Zn; 35.50 ± 0.30 mg/kg, Cr; 43.50 ± 0.40 mg/kg, Ni and 37.70 ± 0.10 mg/kg, Cu for Chokocho site. For Umuechem site, the concentration of the metals revealed were 18.40 ± 0.10 mg/kg, Pb; 6.80 ± 0.70 mg/kg, Cd; 437.00 ± 0.60 mg/kg, Zn; 29.30 ± 0.20 mg/kg, Cr; 36.40 ± 0.10 mg/kg, Ni; and 28.30 ± 0.20 mg/kg, Cu. Results from umuechem site was greater than Chokocho site. Heavy metal fractionation using conventional method was adopted for sequential extraction which was accomplished in five steps. Results revealed that Cd and Pb were dispersed more at exchangeable phase in the sample; Cu and Zn were the least bioavailable. Cd, Pb, and Cr show health risks because of high percent in the exchangeable or dissolved fraction. The results of the analysis also revealed that the bioavailablity and mobility of the heavy metals were in order; Cd > Pb > Cr > Ni > Zn > Cu.
VL  - 6
IS  - 4
ER  -

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Author Information

Ogbu Victor

Department of Pure and Industrial Chemistry, Faculty of Science, University of Port Harcourt, Port Harcourt, Nigeria
Osu Charles Ikenna

Department of Pure and Industrial Chemistry, Faculty of Science, University of Port Harcourt, Port Harcourt, Nigeria
Iwuoha Godson Ndubuisi

Department of Pure and Industrial Chemistry, Faculty of Science, University of Port Harcourt, Port Harcourt, Nigeria

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Ogbu Victor, Osu Charles Ikenna, Iwuoha Godson Ndubuisi. (2019). Environmental Effect of Dredging and Geochemical Fractionation of Heavy METALS in Sediments Removed from River. Modern Chemistry, 6(4), 44-49. https://doi.org/10.11648/j.mc.20180604.11

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ACS Style

Ogbu Victor; Osu Charles Ikenna; Iwuoha Godson Ndubuisi. Environmental Effect of Dredging and Geochemical Fractionation of Heavy METALS in Sediments Removed from River. Mod. Chem. 2019, 6(4), 44-49. doi: 10.11648/j.mc.20180604.11

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AMA Style

Ogbu Victor, Osu Charles Ikenna, Iwuoha Godson Ndubuisi. Environmental Effect of Dredging and Geochemical Fractionation of Heavy METALS in Sediments Removed from River. Mod Chem. 2019;6(4):44-49. doi: 10.11648/j.mc.20180604.11

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@article{10.11648/j.mc.20180604.11,
  author = {Ogbu Victor and Osu Charles Ikenna and Iwuoha Godson Ndubuisi},
  title = {Environmental Effect of Dredging and Geochemical Fractionation of Heavy METALS in Sediments Removed from River},
  journal = {Modern Chemistry},
  volume = {6},
  number = {4},
  pages = {44-49},
  doi = {10.11648/j.mc.20180604.11},
  url = {https://doi.org/10.11648/j.mc.20180604.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.mc.20180604.11},
  abstract = {Geochemical fractionation of six heavy metals; Zn, Pb, Cd, Cu, Cr, and Ni in soil from two dredging sites at Chokocho and Umuechem communities in Etche Local Government Area of Rivers State, Nigeria, which is characterized by domestic, oil exploration and other industrial activities. The heavy metal concentration determined were 26.30 ± 0.38 mg/kg, Pb; 10.60 ± 0.04 mg/kg, Cd; 486.00 ± 1.20 mg/kg, Zn; 35.50 ± 0.30 mg/kg, Cr; 43.50 ± 0.40 mg/kg, Ni and 37.70 ± 0.10 mg/kg, Cu for Chokocho site. For Umuechem site, the concentration of the metals revealed were 18.40 ± 0.10 mg/kg, Pb; 6.80 ± 0.70 mg/kg, Cd; 437.00 ± 0.60 mg/kg, Zn; 29.30 ± 0.20 mg/kg, Cr; 36.40 ± 0.10 mg/kg, Ni; and 28.30 ± 0.20 mg/kg, Cu. Results from umuechem site was greater than Chokocho site. Heavy metal fractionation using conventional method was adopted for sequential extraction which was accomplished in five steps. Results revealed that Cd and Pb were dispersed more at exchangeable phase in the sample; Cu and Zn were the least bioavailable. Cd, Pb, and Cr show health risks because of high percent in the exchangeable or dissolved fraction. The results of the analysis also revealed that the bioavailablity and mobility of the heavy metals were in order; Cd > Pb > Cr > Ni > Zn > Cu.},
 year = {2019}
}

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TY  - JOUR
T1  - Environmental Effect of Dredging and Geochemical Fractionation of Heavy METALS in Sediments Removed from River
AU  - Ogbu Victor
AU  - Osu Charles Ikenna
AU  - Iwuoha Godson Ndubuisi
Y1  - 2019/01/10
PY  - 2019
N1  - https://doi.org/10.11648/j.mc.20180604.11
DO  - 10.11648/j.mc.20180604.11
T2  - Modern Chemistry
JF  - Modern Chemistry
JO  - Modern Chemistry
SP  - 44
EP  - 49
PB  - Science Publishing Group
SN  - 2329-180X
UR  - https://doi.org/10.11648/j.mc.20180604.11
AB  - Geochemical fractionation of six heavy metals; Zn, Pb, Cd, Cu, Cr, and Ni in soil from two dredging sites at Chokocho and Umuechem communities in Etche Local Government Area of Rivers State, Nigeria, which is characterized by domestic, oil exploration and other industrial activities. The heavy metal concentration determined were 26.30 ± 0.38 mg/kg, Pb; 10.60 ± 0.04 mg/kg, Cd; 486.00 ± 1.20 mg/kg, Zn; 35.50 ± 0.30 mg/kg, Cr; 43.50 ± 0.40 mg/kg, Ni and 37.70 ± 0.10 mg/kg, Cu for Chokocho site. For Umuechem site, the concentration of the metals revealed were 18.40 ± 0.10 mg/kg, Pb; 6.80 ± 0.70 mg/kg, Cd; 437.00 ± 0.60 mg/kg, Zn; 29.30 ± 0.20 mg/kg, Cr; 36.40 ± 0.10 mg/kg, Ni; and 28.30 ± 0.20 mg/kg, Cu. Results from umuechem site was greater than Chokocho site. Heavy metal fractionation using conventional method was adopted for sequential extraction which was accomplished in five steps. Results revealed that Cd and Pb were dispersed more at exchangeable phase in the sample; Cu and Zn were the least bioavailable. Cd, Pb, and Cr show health risks because of high percent in the exchangeable or dissolved fraction. The results of the analysis also revealed that the bioavailablity and mobility of the heavy metals were in order; Cd > Pb > Cr > Ni > Zn > Cu.
VL  - 6
IS  - 4
ER  -

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