Pollution and Ecological Risk Assessment of Traces Metals in the Sediments of Gold Mining in Savanna District (Korhogo and Tengrela), Côte d'Ivoire

Koffi Pierre Dit Adama N’goran; N’guessan Louis Berenger Kouassi; Donourou Diabate; Ahbeauriet Ahmed Ouattara; Kakou Charles Kinimo; Koffi Marcellin Yao; Albert Trokourey

doi:doi:10.11648/j.sjc.20221003.12

Pollution and Ecological Risk Assessment of Traces Metals in the Sediments of Gold Mining in Savanna District (Korhogo and Tengrela), Côte d'Ivoire

Koffi Pierre Dit Adama N’goran, N’guessan Louis Berenger Kouassi, Donourou Diabate, Ahbeauriet Ahmed Ouattara, Kakou Charles Kinimo, Koffi Marcellin Yao, Albert Trokourey

Published in Science Journal of Chemistry (Volume 10, Issue 3)

Received: 2 April 2022 Accepted: 7 May 2022 Published: 19 May 2022

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Abstract

Metallic contamination of the environment by mining activities constitute a major problem, regarding the exposure risks of the populations and wildlife. Unfortunately, few data are available on metallic contamination of water resources in West Africa. The present study aims to understand the distribution, mobility and potential toxicity of some trace metals (Co, Cr and Zn) in mining sediments and their impact on human health. Sediment samples were analysed for total metal concentration by acid digestion and then by chemical fractionation of trace metals using the modified BCR sequential extraction method. The pollution index results for Cr, Co, and Zn, in the study area sediments, indicated the spread of heavy metal pollution. The sequential extraction demonstrated that most of the trace metals such as Cr (71.02-84.32%), Co (62.00-72.83%) and Zn (66.61-72.01%) were present in a residual form. Overall, Co, Cr and Zn exhibited low individual contamination in the studied sediments. Indeed, their IFC values were less than 1. The GCF results (GCF <6) showed an overall low risk potential related to the complex influence of metals on the environment. Generally, the MRI values for trace metals (Co, Cr and Zn) are below 150, indicating a low environmental risk in all the studied mining areas.

Published in	Science Journal of Chemistry (Volume 10, Issue 3)
DOI	10.11648/j.sjc.20221003.12
Page(s)	61-72
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), 2022. Published by Science Publishing Group

Keywords

Trace Metal, Fractionation, BCR-Sequential Extraction, Potential Ecological Risk

References

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Koffi Pierre Dit Adama N’goran, N’guessan Louis Berenger Kouassi, Donourou Diabate, Ahbeauriet Ahmed Ouattara, Kakou Charles Kinimo, et al. (2022). Pollution and Ecological Risk Assessment of Traces Metals in the Sediments of Gold Mining in Savanna District (Korhogo and Tengrela), Côte d'Ivoire. Science Journal of Chemistry, 10(3), 61-72. https://doi.org/10.11648/j.sjc.20221003.12

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Koffi Pierre Dit Adama N’goran; N’guessan Louis Berenger Kouassi; Donourou Diabate; Ahbeauriet Ahmed Ouattara; Kakou Charles Kinimo, et al. Pollution and Ecological Risk Assessment of Traces Metals in the Sediments of Gold Mining in Savanna District (Korhogo and Tengrela), Côte d'Ivoire. Sci. J. Chem. 2022, 10(3), 61-72. doi: 10.11648/j.sjc.20221003.12

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Koffi Pierre Dit Adama N’goran, N’guessan Louis Berenger Kouassi, Donourou Diabate, Ahbeauriet Ahmed Ouattara, Kakou Charles Kinimo, et al. Pollution and Ecological Risk Assessment of Traces Metals in the Sediments of Gold Mining in Savanna District (Korhogo and Tengrela), Côte d'Ivoire. Sci J Chem. 2022;10(3):61-72. doi: 10.11648/j.sjc.20221003.12

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@article{10.11648/j.sjc.20221003.12,
  author = {Koffi Pierre Dit Adama N’goran and N’guessan Louis Berenger Kouassi and Donourou Diabate and Ahbeauriet Ahmed Ouattara and Kakou Charles Kinimo and Koffi Marcellin Yao and Albert Trokourey},
  title = {Pollution and Ecological Risk Assessment of Traces Metals in the Sediments of Gold Mining in Savanna District (Korhogo and Tengrela), Côte d'Ivoire},
  journal = {Science Journal of Chemistry},
  volume = {10},
  number = {3},
  pages = {61-72},
  doi = {10.11648/j.sjc.20221003.12},
  url = {https://doi.org/10.11648/j.sjc.20221003.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sjc.20221003.12},
  abstract = {Metallic contamination of the environment by mining activities constitute a major problem, regarding the exposure risks of the populations and wildlife. Unfortunately, few data are available on metallic contamination of water resources in West Africa. The present study aims to understand the distribution, mobility and potential toxicity of some trace metals (Co, Cr and Zn) in mining sediments and their impact on human health. Sediment samples were analysed for total metal concentration by acid digestion and then by chemical fractionation of trace metals using the modified BCR sequential extraction method. The pollution index results for Cr, Co, and Zn, in the study area sediments, indicated the spread of heavy metal pollution. The sequential extraction demonstrated that most of the trace metals such as Cr (71.02-84.32%), Co (62.00-72.83%) and Zn (66.61-72.01%) were present in a residual form. Overall, Co, Cr and Zn exhibited low individual contamination in the studied sediments. Indeed, their IFC values were less than 1. The GCF results (GCF <6) showed an overall low risk potential related to the complex influence of metals on the environment. Generally, the MRI values for trace metals (Co, Cr and Zn) are below 150, indicating a low environmental risk in all the studied mining areas.},
 year = {2022}
}

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TY  - JOUR
T1  - Pollution and Ecological Risk Assessment of Traces Metals in the Sediments of Gold Mining in Savanna District (Korhogo and Tengrela), Côte d'Ivoire
AU  - Koffi Pierre Dit Adama N’goran
AU  - N’guessan Louis Berenger Kouassi
AU  - Donourou Diabate
AU  - Ahbeauriet Ahmed Ouattara
AU  - Kakou Charles Kinimo
AU  - Koffi Marcellin Yao
AU  - Albert Trokourey
Y1  - 2022/05/19
PY  - 2022
N1  - https://doi.org/10.11648/j.sjc.20221003.12
DO  - 10.11648/j.sjc.20221003.12
T2  - Science Journal of Chemistry
JF  - Science Journal of Chemistry
JO  - Science Journal of Chemistry
SP  - 61
EP  - 72
PB  - Science Publishing Group
SN  - 2330-099X
UR  - https://doi.org/10.11648/j.sjc.20221003.12
AB  - Metallic contamination of the environment by mining activities constitute a major problem, regarding the exposure risks of the populations and wildlife. Unfortunately, few data are available on metallic contamination of water resources in West Africa. The present study aims to understand the distribution, mobility and potential toxicity of some trace metals (Co, Cr and Zn) in mining sediments and their impact on human health. Sediment samples were analysed for total metal concentration by acid digestion and then by chemical fractionation of trace metals using the modified BCR sequential extraction method. The pollution index results for Cr, Co, and Zn, in the study area sediments, indicated the spread of heavy metal pollution. The sequential extraction demonstrated that most of the trace metals such as Cr (71.02-84.32%), Co (62.00-72.83%) and Zn (66.61-72.01%) were present in a residual form. Overall, Co, Cr and Zn exhibited low individual contamination in the studied sediments. Indeed, their IFC values were less than 1. The GCF results (GCF <6) showed an overall low risk potential related to the complex influence of metals on the environment. Generally, the MRI values for trace metals (Co, Cr and Zn) are below 150, indicating a low environmental risk in all the studied mining areas.
VL  - 10
IS  - 3
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Author Information

Koffi Pierre Dit Adama N’goran

Training Research Unit of Biological Sciences, Department of Mathematic Physic and Chemistry, Peleforo Gon Coulibaly University, Korhogo, C?te d’Ivoire
N’guessan Louis Berenger Kouassi

Training Research Unit of Biological Sciences, Department of Mathematic Physic and Chemistry, Peleforo Gon Coulibaly University, Korhogo, C?te d’Ivoire
Donourou Diabate

Laboratory of Physical Chemistry, Félix Houphou?t-Boigny University, Abidjan, C?te d’Ivoire
Ahbeauriet Ahmed Ouattara

Department of Sciences and Technic, Alassane Ouattara University, Bouaké, C?te d’Ivoire
Kakou Charles Kinimo

Training Research Unit of Biological Sciences, Department of Mathematic Physic and Chemistry, Peleforo Gon Coulibaly University, Korhogo, C?te d’Ivoire
Koffi Marcellin Yao

Center for Oceanologic Research, Abidjan, C?te d’Ivoire
Albert Trokourey

Laboratory of Physical Chemistry, Félix Houphou?t-Boigny University, Abidjan, C?te d’Ivoire

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Koffi Pierre Dit Adama N’goran, N’guessan Louis Berenger Kouassi, Donourou Diabate, Ahbeauriet Ahmed Ouattara, Kakou Charles Kinimo, et al. (2022). Pollution and Ecological Risk Assessment of Traces Metals in the Sediments of Gold Mining in Savanna District (Korhogo and Tengrela), Côte d'Ivoire. Science Journal of Chemistry, 10(3), 61-72. https://doi.org/10.11648/j.sjc.20221003.12

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Koffi Pierre Dit Adama N’goran; N’guessan Louis Berenger Kouassi; Donourou Diabate; Ahbeauriet Ahmed Ouattara; Kakou Charles Kinimo, et al. Pollution and Ecological Risk Assessment of Traces Metals in the Sediments of Gold Mining in Savanna District (Korhogo and Tengrela), Côte d'Ivoire. Sci. J. Chem. 2022, 10(3), 61-72. doi: 10.11648/j.sjc.20221003.12

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Koffi Pierre Dit Adama N’goran, N’guessan Louis Berenger Kouassi, Donourou Diabate, Ahbeauriet Ahmed Ouattara, Kakou Charles Kinimo, et al. Pollution and Ecological Risk Assessment of Traces Metals in the Sediments of Gold Mining in Savanna District (Korhogo and Tengrela), Côte d'Ivoire. Sci J Chem. 2022;10(3):61-72. doi: 10.11648/j.sjc.20221003.12

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@article{10.11648/j.sjc.20221003.12,
  author = {Koffi Pierre Dit Adama N’goran and N’guessan Louis Berenger Kouassi and Donourou Diabate and Ahbeauriet Ahmed Ouattara and Kakou Charles Kinimo and Koffi Marcellin Yao and Albert Trokourey},
  title = {Pollution and Ecological Risk Assessment of Traces Metals in the Sediments of Gold Mining in Savanna District (Korhogo and Tengrela), Côte d'Ivoire},
  journal = {Science Journal of Chemistry},
  volume = {10},
  number = {3},
  pages = {61-72},
  doi = {10.11648/j.sjc.20221003.12},
  url = {https://doi.org/10.11648/j.sjc.20221003.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sjc.20221003.12},
  abstract = {Metallic contamination of the environment by mining activities constitute a major problem, regarding the exposure risks of the populations and wildlife. Unfortunately, few data are available on metallic contamination of water resources in West Africa. The present study aims to understand the distribution, mobility and potential toxicity of some trace metals (Co, Cr and Zn) in mining sediments and their impact on human health. Sediment samples were analysed for total metal concentration by acid digestion and then by chemical fractionation of trace metals using the modified BCR sequential extraction method. The pollution index results for Cr, Co, and Zn, in the study area sediments, indicated the spread of heavy metal pollution. The sequential extraction demonstrated that most of the trace metals such as Cr (71.02-84.32%), Co (62.00-72.83%) and Zn (66.61-72.01%) were present in a residual form. Overall, Co, Cr and Zn exhibited low individual contamination in the studied sediments. Indeed, their IFC values were less than 1. The GCF results (GCF <6) showed an overall low risk potential related to the complex influence of metals on the environment. Generally, the MRI values for trace metals (Co, Cr and Zn) are below 150, indicating a low environmental risk in all the studied mining areas.},
 year = {2022}
}

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TY  - JOUR
T1  - Pollution and Ecological Risk Assessment of Traces Metals in the Sediments of Gold Mining in Savanna District (Korhogo and Tengrela), Côte d'Ivoire
AU  - Koffi Pierre Dit Adama N’goran
AU  - N’guessan Louis Berenger Kouassi
AU  - Donourou Diabate
AU  - Ahbeauriet Ahmed Ouattara
AU  - Kakou Charles Kinimo
AU  - Koffi Marcellin Yao
AU  - Albert Trokourey
Y1  - 2022/05/19
PY  - 2022
N1  - https://doi.org/10.11648/j.sjc.20221003.12
DO  - 10.11648/j.sjc.20221003.12
T2  - Science Journal of Chemistry
JF  - Science Journal of Chemistry
JO  - Science Journal of Chemistry
SP  - 61
EP  - 72
PB  - Science Publishing Group
SN  - 2330-099X
UR  - https://doi.org/10.11648/j.sjc.20221003.12
AB  - Metallic contamination of the environment by mining activities constitute a major problem, regarding the exposure risks of the populations and wildlife. Unfortunately, few data are available on metallic contamination of water resources in West Africa. The present study aims to understand the distribution, mobility and potential toxicity of some trace metals (Co, Cr and Zn) in mining sediments and their impact on human health. Sediment samples were analysed for total metal concentration by acid digestion and then by chemical fractionation of trace metals using the modified BCR sequential extraction method. The pollution index results for Cr, Co, and Zn, in the study area sediments, indicated the spread of heavy metal pollution. The sequential extraction demonstrated that most of the trace metals such as Cr (71.02-84.32%), Co (62.00-72.83%) and Zn (66.61-72.01%) were present in a residual form. Overall, Co, Cr and Zn exhibited low individual contamination in the studied sediments. Indeed, their IFC values were less than 1. The GCF results (GCF <6) showed an overall low risk potential related to the complex influence of metals on the environment. Generally, the MRI values for trace metals (Co, Cr and Zn) are below 150, indicating a low environmental risk in all the studied mining areas.
VL  - 10
IS  - 3
ER  -

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