Abstract

ENVIRONMENTAL IMPACTS OF LIQUID EFFLUENTS OF THE ALCOHOL PRODUCTION PLANT ON RIVER KLOU IN LOGOZOHE, REPUBLIC OF BENIN

*Mickael Vitus Martin Kpessou Saizonou, Magloire Nonvignon Acakpo Gbaguidi, Leonce Firmin Comlan Dovonon, Calixte Akotegnon, Sebastien Ahouantchede and Daouda Mama

Abstract

The aim of this study is to evaluate the environmental impacts of liquid discharges from the alcohol production industry at Logozohe through a characterization of the physicochemical parameters of its effluents and an assessment of the levels in dry season, of river Klou’s water contamination. This river is the receiving environment. For this purpose, thirteen parameters were measured on sixteen sites along the river Klou from the upstream to the downstream of the factory. From results obtained, it appears that nitrogen pollution is high and is reduced to Kjeldahl nitrogen (NTK). Also organic pollution is very important and not biodegradable. This leads to suspicion of the use of synthetic organic solvents in the factory’s production processes. This massive organic pollution of the receiving environment on which local residents depend challenges more than one as to water pollution of the factory and its consequences on populations and the future of the river Klou.

Keywords: Water pollution, river Klou, Logozohe, alcohol factory.