Valorisation des sciures du bois de &lt;i&gt;Moringa oleifera&lt;/i&gt; dans le traitement physico-chimique des lixiviats du lieu d’enfouissement sanitaire (LES) de Ouèssè/Ouidah (Sud Bénin)

Josse, R.; Toklo, Rock Modéran; Dossou-Yovo, Pierre; Fatombi, Jacques K.

doi:10.4314/jab.v96i1.8

J. App. Bioscience.

2017

DOI: 10.4314/jab.v96i1.8

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Valorisation des sciures du bois de <i>Moringa oleifera</i> dans le traitement physico-chimique des lixiviats du lieu d’enfouissement sanitaire (LES) de Ouèssè/Ouidah (Sud Bénin)

R. Josse¹,

Rock Modéran Toklo²,

Pierre Dossou-Yovo³

et al.

Abstract: materials (61,70 %) ; but increase slightly the electric conductivity. This coagulant influences the pH of the treated leachates but has no effect on the temperature. Conclusion and Application: The calcined sawdust allows to obtain a better clarification of leachates. This work should interest the political powers and particularly the authorities of the cities of Cotonou and Ouidah for a better treatment of the leachates of LES.

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Cited by 2 publications

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Microbiological and Physicochemical Characterization of Hospital Effluents before and after Treatment with Two Types of Sawdust

Elmountassir

Bennani

Miyah³

et al. 2019

Journal of Chemistry

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Physicochemical and microbiological analyses of liquid hospital effluents have demonstrated that they are loaded with organic and inorganic pollutants then discharged into the sewerage networks without treatment. The aim of this study is to suggest an effective solution for their treatment. Column filtration is an adequate method to reduce the pollutant load which makes it possible to have a rate of abatement of 97% and 79% by filtering the pollutant material using sawdust of catia and red sawdust, respectively, with a filter bed height equal to 13 cm. Physicochemical parameters such as chemical oxygen demand, biological oxygen demand, nitrate, ammonia, phosphorus, electrical conductivity and the bacteriological parameters like fecal coliforms, Streptococci, and Staphylococci have been measured. The analysis of heavy metals displays compliance with the World Health Organization standards. The red sawdust and catia sawdust have been characterized by scanning electron microscopy and Fourier-transform infrared spectroscopy.

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Microbiological and Physicochemical Characterization of Hospital Effluents before and after Treatment with Two Types of Sawdust

Elmountassir

Bennani

Miyah³

et al. 2019

Journal of Chemistry

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Monitoring of the Fluctuation of the Pollutant Load of Leachate Rejected in Environment. Study in the Northeast of Algeria

2024

AEES

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In order to model the environmental impact of leachate produced at the engineered landfill center (ELC) of Bouguerguer, Guelma located in the north east of Algeria. A physico-chemical characterization during 2020, was carried out in order to estimate this impact. For this purpose fourteen parameters have been studied which are, In vivo: pH, conductivity, Salinity. In vitro: Organic element contents (BOD5, COD); Heavy metal contents (Fe, Zn, Pb, Cd and Cr); The contents of nutrient elements (Nitrate, Nitrite, Ammonium and Suspended matter). The results obtained show that the leachates studied, have the following characteristics: A basic pH of 8,85 , Suspended matter a fairly large load with 5397,92 mg/L. The organic load interpreted by a COD that reaches an average 1603, 75 mg O2/L and a BOD5 that reaches an average of 778,54 mg O2/L, which strongly justifies the presence of organic pollution. The mineral pollution is also present, translated by a high electrical conductivity which reaches an average value of 33,38 mS/cm, Nitrates and nitrites average 15,68 and 17,93 mg/l respectively. The leachates are also characterized by a high content of Fr, Zn, Pb, Cd and Cr with an average of (42,70 ; 10,44 ; 8,27 ; 4,37 and 5,97 mg/l) respectively. Noting that the results obtained constitute the first characterization of leachates in this landfill and thus provide a database for future research.

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Valorisation des sciures du bois de <i>Moringa oleifera</i> dans le traitement physico-chimique des lixiviats du lieu d’enfouissement sanitaire (LES) de Ouèssè/Ouidah (Sud Bénin)

Cited by 2 publications

References 6 publications

Microbiological and Physicochemical Characterization of Hospital Effluents before and after Treatment with Two Types of Sawdust

Microbiological and Physicochemical Characterization of Hospital Effluents before and after Treatment with Two Types of Sawdust

Monitoring of the Fluctuation of the Pollutant Load of Leachate Rejected in Environment. Study in the Northeast of Algeria

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