African Journal of
Environmental Science and Technology

  • Abbreviation: Afr. J. Environ. Sci. Technol.
  • Language: English
  • ISSN: 1996-0786
  • DOI: 10.5897/AJEST
  • Start Year: 2007
  • Published Articles: 1014

Full Length Research Paper

Impact of oil installations on groundwater resources in Bongor Basin, Republic of Chad

SAMBA Koukouare Prosper
  • SAMBA Koukouare Prosper
  • Department of Hydrocarbons Exploitation, Mao National Higher Petroleum Institute, Chad, B.P. 701, N'Djamena, Chad.
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EWODO Mboudou Guillaume
  • EWODO Mboudou Guillaume
  • National Higher School of Engineering of Maroua, University of Maroua, Maroua, Cameroon.
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DORIM Ngarbaroum
  • DORIM Ngarbaroum
  • Department of Hydrocarbons Exploitation, Mao National Higher Petroleum Institute, Chad, B.P. 701, N'Djamena, Chad.
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HAROUN Ali Adannou
  • HAROUN Ali Adannou
  • Department of Hydrocarbons Exploitation, Mao National Higher Petroleum Institute, Chad, B.P. 701, N'Djamena, Chad.
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HOULOULOU Nathan Koukouare
  • HOULOULOU Nathan Koukouare
  • Department of Hydrocarbons Exploitation, Mao National Higher Petroleum Institute, Chad, B.P. 701, N'Djamena, Chad.
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DANWE Raïdandi
  • DANWE Raïdandi
  • National Higher School of Engineering of Maroua, University of Maroua, Maroua, Cameroon.
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  •  Received: 16 November 2020
  •  Accepted: 15 January 2021
  •  Published: 31 January 2021

Abstract

This study examines concentration of pollutants that can contaminate soil, surface water and groundwater in the Bongor Basin. The analysis of thirty soil samples from six oil sites: Koudalwa, Ronier, Ndoubadana, Narenang, Croisement Baobab and Croisement Ridina was carried out using standard laboratory testing methods of chemical elements and pollutants. Results reveal that Nickel has a maximum concentration above the acceptable threshold of INERIS standard of France (2-60 mg/kg). Copper present concentrations above the Cameroonian standard of SONARA site (10 - 30 mg/kg), Cadmium has a content above the INERIS standard of France (0.2-0.7 mg/Kg) and Cameroonian standard of SONARA site (1 - 2 mg/kg). Phenol was present in all samples with very high concentration values compared to Canadian class A and B standards (0.1-1 mg/kg) and Cameroonian standard of SONARA site (0.2-1 mg/kg). 

 

Keywords: Oil installations, pollutants, groundwater resources, basin, Bongor.