Physicochemical and microbiological characterization of effluents from the “Centre Hospitalier Universitaire de la Mère et de l’Enfant Lagune (CHU-MEL)” discharged in the Cotonou lagoon in Benin

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AuteurADANLOKONON, ELIAS ALEXANDRE SETONDJI
AuteurKANHOUNNON, GBEDODE WILFRIED
AuteurCHABI, BONI CHRISTOPHE
AuteurADJAHOUINOU, DOGBE CLEMENT
AuteurKOUMOLOU, LUC BABATOUNDE
AuteurBONOU, BRIC
AuteurFIOGBE, EMILE DIDIER
AuteurEDORH, ALEODJRODO EDGARD PATRICK VINCENT
Date d'ajout2026-06-02T16:06:57Z
Date de disponibilite2026-06-02T16:06:57Z
Date de publication2018
ResumeThis study is carried out to characterize the CHU-MEL effluents discharged into the Cotonou lagoon to assess the potential hazards of these releases for this ecosystem. To achieve this goal, the effluents collected at the end of the spillways have been analyzed. The results obtained from the physicochemical and microbiological analysis made it possible to assess the quality of the effluents. The pH, temperature and conductivity measured in-situ are, on average, 6.65, 30.3 °C and 763 μS/Cm. The average contents of dissolved oxygen, nitrite, nitrate, ammonium and Nitrogen Total Kjedhal (NTK) are respectively 1.92 mg/L, 0.06 mg/L, 7.75 mg/L, 18.45 mg/L and 28.78 mg/L. The Biochemical Oxygen Demand (BOD5) ranges from 38 mg/L to 53 mg/L, the Chemical Oxygen Demand (COD) from 97 mg/L to 274 mg/L, suspended solids (SS) belonging between 47 mg/L-398 mg/L and total phosphorus going from 0.37 mg/L to 13.02 mg/L. The microbiological parameters (total coliforms, faecal coliforms, E. coli, fecal streptococci and anaerobic sulphite reducers’ spores) are generally out of the standard values. These effluents present therefor risks for the fauna and the flora of the Cotonou’s lagoon and it is well indicated to assess them through ecotoxicity tests.
Autre identifiantBECDB-8140
URIhttps://dspace.uac.bj/handle/123456789/7320
Languefr
Fait partie deInternational Journal of Biological and Chemical Sciences (IJBCS)
SujetHospital Effluents
SujetPhysicochemical Parameters
Sujetmicrobiological parameters
SujetPollution
TitrePhysicochemical and microbiological characterization of effluents from the “Centre Hospitalier Universitaire de la Mère et de l’Enfant Lagune (CHU-MEL)” discharged in the Cotonou lagoon in Benin
TypeArticle

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