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Effect of the Kossodo Industrial Wastewater Discharges on the Physico Chemical Quality of Massili River in BURKINA FASO

Author Affiliations

  • 1Centre d’Etude pour la Promotion, l’Aménagement et la Protection de l’Environnement (CEPAPE), 03 BP 7021 Université de Ouagadougou,BURKINA FASO
  • 2Laboratoire de Chimie Analytique, de Radiochimie et d’Electrochimie (LACARE), UFR/SEA, 03 BP 7021 Université de Ouagadougou,BURKINA FASO
  • 3Institut de Recherche en Sciences Appliquées et Technologies (IRSAT), Centre National de Recherches Scientifiques et Technologiques(CNRST), 03 BP 7047 Ouagadougou 03, BURKINA FASO
  • 4Service Qualité- Eau de l’Office National de l’Eau et de l’Assainissement (ONEA), 01 BP 170 Ouagadougou 01, BURKINA FASO

Res.J.chem.sci., Volume 3, Issue (2), Pages 85-91, February,18 (2013)

Abstract

Ouagadougou, capital of Burkina Faso, includes within its industrial zone Kossodo Brewery, a Slaughter house, a Tannery and other small industrial units such as those of soaps. All these factories discharge their wastewater into the river Massili which is tributary of Nakambé, one of the major rivers of Burkina Faso. Previous studies have shown that Massili was polluted due to industrial and domestic activities and that this had an impact on the aquatic life of the streams (dead fish); water drilling for drinking water along the Massili were similarly polluted by heavy metals from waste of the industrial zone of Ouagadougou. In view of all these pollution problems posed by wastewater on streams, it is important today to know the current state of the physicochemical quality of the effluents from the industrial zone of Kossodo that flow in the basin of the Massili. This is the objective of this study. We therefore took samples from ten (10) different locations along the pipeline of the wastewater discharges into the Massili. The following parameters were analyzed: BOD5, COD, nitrates, orthophosphates, electrical conductivity, dissolved oxygen, pH, temperature and SPM. The results of our analyses show that SPM, BOD5, COD, dissolved oxygen and orthophosphates have values above the required standards, so the industrial waste pollute the Massili streams.

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