Impact de la réutilisation des eaux usées épurées en irrigation : analyse ionique des        lixiviats

Mouhanni, Hind; Hamdi, Hassan; Bendou, Abdelaziz; Benzine, Lhoussine; Cavalli, Eric

doi:10.7202/1008536ar

Cited by 7 publications

(4 citation statements)

References 2 publications

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“…Moreover, effluents from M'zar plant reflect an intense particulate pollution, especially during the summer, which is explained by a large hydraulic discharge following because of a huge industrial and domestic activity in the region. The industrial effluents are mainly generated by the food processing factories in the region (fish markets, canned meats and vegetables (Mouhanni, Hamdi, Bendou, Cavalli, & Benzine, 2012;Mouhanni, Bendou, & Er-Raki, 2011). The effluents from fish processing plants are loaded with large concentration of biodegradable organic matter, salts and also suspended solids.…”

Section: Physical Parametersmentioning

confidence: 99%

“…This negative effect on the environment together with the human and animal populations imposes the purification. This latter is crucial in order to avoid the water shortage, to ensure the effluent physico-chemical and bacteriological quality and to make them compatible with the WHO guidelines for reuse in agriculture (Mouhanni, Hamdi, Bendou, Cavalli, & Benzine, 2012;Mouhanni, Bendou, & Er-Raki, 2011;Bali, Gueddari, & Bouchtina, 2010;Chang & Ma, 2012).…”

Section: Introductionmentioning

confidence: 99%

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Study of the Wastewater Purifying Performance in the M’Zar Plant of Agadir, Morocco

Mouhanni¹,

Bendou²,

Houari³

2013

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In order to preserve the quality of water masses and reduce the deterioration of the natural environment, alternative water supplies should be required. The reuse of treated wastewater seems to be a good alternative in agriculture. Our study focuses on the characterization of the physico-chemical effluents (pH, EC, Turbidity, SS, COD, and BOD 5 ) in treated wastewater of M'zar plant in Agadir during one-year cycle. It aimed to study the evolution of these parameters over five years since 2006 in compliance with discharge standards in the natural environment and concerning the safety of water for irrigation. It has been shown that the quality and quantity of wastewater depends essentially on the amount of water consumed by the population, the intensity of industrial activities and tourism according to the seasons. The removal percentage of particulate pollution and oxidizable parameters already mentioned were very satisfactory and range from an average of (97 to 99%). The rate of the Electrical Conductivity (EC) does not change between input and output of plant. The treated wastewater characterized by a high EC (between 3 and 4 dS/m) and it can be a problem for reuse in irrigation.

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Section: Physical Parametersmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Study of the Wastewater Purifying Performance in the M’Zar Plant of Agadir, Morocco

Mouhanni¹,

Bendou²,

Houari³

2013

Self Cite

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“…On the other hand, the leaching of the salts deep causes an increase in the EC in the second level 30-60 cm compared to the control. Similarly, in the same vein, studies carried out on the reuse of wastewater in different regions have reported an increase in the conductivity of plots irrigated by wastewater compared to the initial soil values [MOUHANNI et al 2012;RECHACHI 2017]. During the winter period, the EC values are reduced and this may be linked to the salts leaching from rainwater.…”

Section: Monitoring Of Soil Salinitymentioning

confidence: 89%

Journal of Water and Land Development

Njimat,

Elfettahi,

Griou

et al. 2021

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The study has been carried out at two experimental sites. It aims to assess the impact of the reuse of raw wastewater, purified and diluted with conventional water on the physicochemical quality of soils compared to irrigated soils with conventional drilled water and non-irrigated soil. The obtained results show that the electrical conductivity EC and sodium gradually increase in all the plots irrigated with wastewater. Additionally, a slight increase in the pH levels at the first site and a slight decrease in the second site was seen, but at both sites the soils remained alkaline. The infiltration rate of water slide decreases in relation to the amount of irrigation, especially in plots irrigated by raw and treated wastewater. For the same plots, the values of organic matter increased, and the values obtained for the exchangeable sodium percentage (ESP) became high in the third year and reached 17.0% and 16.7% respectively.

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“…This capacity could satisfy the needs for irrigation water for the entire Agadir area (Morocco). Despite that success, studies showed an increase in salinity and leaching to the groundwater [26]. These projects came a long way from the beginnings of treated wastewater reuse.…”

Section: Reuse In Agriculturementioning

confidence: 99%

Treated waste water reuse in agriculture: An Overview

Boularbah,

El Khoumsi,

Bourziza

et al. 2024

E3S Web Conf.

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The reuse of treated wastewater in agriculture is a promising solution to the water scarcity challenge faced by many regions worldwide. This review paper provides an overview of the current state of knowledge on treated wastewater reuse in agriculture, highlighting its potential benefits and challenges. The paper begins by discussing the importance of treating wastewater before reuse and the potential it offers. The benefits of using treated wastewater in agriculture are discussed, including increased water availability, improved soil fertility and reduced fertilizer use. The risks associated with the use of treated wastewater, such as the accumulation of pollutants and the potential for pathogen transmission, are also discussed. The review paper then presents some examples of reuse projects for irrigation and their success criteria. The current regulations governing the use of treated wastewater in agriculture are examined, and their evolution presented. The paper concludes with a discussion of future research needed to address the remaining challenges surrounding the use of treated wastewater in agriculture. Overall, the review paper emphasizes the importance of careful management and regulation of treated wastewater reuse in agriculture to ensure safety and sustainability to meet the growing demand for water in agriculture.

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Impact de la réutilisation des eaux usées épurées en irrigation : analyse ionique des lixiviats

Cited by 7 publications

References 2 publications

Study of the Wastewater Purifying Performance in the M’Zar Plant of Agadir, Morocco

Study of the Wastewater Purifying Performance in the M’Zar Plant of Agadir, Morocco

Journal of Water and Land Development

Treated waste water reuse in agriculture: An Overview

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