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Disinfection of Treated Wastewater and its Reuse in the Irrigation of Golf Grass: The Case of Plant M’zar Agadir-Morocco
Laboratoire d’Ingénierie d’Energie et d’Environnement, ENSA, Agadir, 80000, Morocco
Ecole Nationale de Commerce et de Gestion, Agadir, 80000, Morocco
LP2E2M, Faculty of Sciences and Techniques, Cadi Ayyad University, Marrakech, 40000, Morocco
* Author to whom correspondence should be addressed.
Received: 15 July 2011; in revised form: 4 October 2011 / Accepted: 21 October 2011 / Published: 8 December 2011
Abstract: The treated wastewater of Agadir M’zar plant has a good physico-chemical quality and it contains important nutrients (NPK: nitrogen, phosphorus, potassium). However, the reuse of this water, without disinfecting it, for irrigating the golf grass in the Agadir region, revealed the presence of a bacterial load that can hinder the quality and suitability of spaces for a population that is very demanding. Among the various methods of water disinfection, chlorination with bleach is the least expensive and the most systematically simple. Its effectiveness depends only on the pH of the waters to be disinfected. This study reports the results of disinfection of M’zar plant wastewater with a solution of sodium hypochlorite (bleach), and their reuse for irrigating the golf grass. For this purpose, we carried out a monitoring protocol for germination and growth parameters (number of tillers and leaf length) in order to study and compare the effect of disinfected treated wastewater (DTWW) and groundwater (GW) on the plant turf. The obtained result showed that the disinfection with bleach increased the salinity of the treated wastewater and can affect the permeability of soils and crops.
Keywords: treated wastewater; disinfection; groundwater; irrigation; golf grass; germination; growth
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Mouhanni, H.; Bendou, A.; Er-Raki, S. Disinfection of Treated Wastewater and its Reuse in the Irrigation of Golf Grass: The Case of Plant M’zar Agadir-Morocco. Water 2011, 3, 1128-1138.
Mouhanni H, Bendou A, Er-Raki S. Disinfection of Treated Wastewater and its Reuse in the Irrigation of Golf Grass: The Case of Plant M’zar Agadir-Morocco. Water. 2011; 3(4):1128-1138.
Mouhanni, Hind; Bendou, Abelaziz; Er-Raki, Salah. 2011. "Disinfection of Treated Wastewater and its Reuse in the Irrigation of Golf Grass: The Case of Plant M’zar Agadir-Morocco." Water 3, no. 4: 1128-1138.