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Traitement des eaux usées par les réservoirs opérationnels et réutilisation pour l'irrigation

Abstract : Benslimane STEP is an aerated lagoons system followed by four operational tanks. The evolution of pollution parameters between input and output of the reservoirs, shows a removal of 60% for BOD5, 40% for COD, 48% for TSS and 98% for coliforms. Changes in concentrations of various pollution parameters under the same operating system and the same weather conditions is synchronous in the four reservoirs showing the same performance. The results of water quality along the reservoir's water column between 40 cm and 350 cm show an homogeneous column where all the reactions take place under aerobic conditions. These tanks can store and almost achieve a total microbiological purification of effluents. They are a solution to the arid and semi-arid areas for finishing of waste water and irrigation development.
Mots-clés : Eaux usées Irrigation
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Submitted on : Monday, July 25, 2011 - 4:28:19 PM
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  • HAL Id : tel-00611149, version 1


Hakima El Haité. Traitement des eaux usées par les réservoirs opérationnels et réutilisation pour l'irrigation. Sciences de l'ingénieur [physics]. Ecole Nationale Supérieure des Mines de Saint-Etienne, 2010. Français. ⟨NNT : 2010EMSE0569⟩. ⟨tel-00611149⟩



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