2018
DOI: 10.4267/dechets-sciences-techniques.3869
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Extraction chimique des métaux lourds des argiles de la décharge finale d’Agoè-Nyivé au Togo

Abstract: Déchets Sciences et Techniques -N°78 -Décembre 2018 RÉSUMÉ Une couche d'argile suffisamment épaisse, continue et homogène sous un dépôt de déchets constitue une barrière empêchant la pollution de la nappe phréatique si les lixiviats sont bien drainés à sa surface puis correctement traités. Depuis l'exploitation de la décharge d' Agoè-Nyivé (Lomé), très peu d'études, ont été réalisées sur l'état de pollution notamment en métaux lourds de la couche de base de la décharge composée d'argile. L'objectif de ce trava… Show more

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Cited by 2 publications
(5 citation statements)
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“…A 20 g mass of sample was dissolved in 100 ml of distilled water, then homogenized by shaking for 30 minutes and left still for 2 hours [13] [14]. Electrical Conductivity (EC) was measured at a ratio of 1:5 (sample/distilled water) [15] [16] [17]. pH and EC measurements were made directly on a SANXIN MP522 pH meter (Image 11).…”
Section: Measurement Of Ph and Electrical Conductivity (Ec)mentioning
confidence: 99%
“…A 20 g mass of sample was dissolved in 100 ml of distilled water, then homogenized by shaking for 30 minutes and left still for 2 hours [13] [14]. Electrical Conductivity (EC) was measured at a ratio of 1:5 (sample/distilled water) [15] [16] [17]. pH and EC measurements were made directly on a SANXIN MP522 pH meter (Image 11).…”
Section: Measurement Of Ph and Electrical Conductivity (Ec)mentioning
confidence: 99%
“…The pipes used to drill are made of steel and have a diameter of approximately 100 mm. The samples were taken from the same locations as those taken at the surface [10] (Photo 1).…”
Section: Samplingmentioning
confidence: 99%
“…After 30 minutes of stirring using a magnetic stirrer, the suspension was left to stand for two (2) hours before carrying out the measurements. The devices used are the CRISON pH 25 type electrode pH meter and a WTW brand LF 330/SET conductivity meter [10].…”
Section: Determination Of Physicochemical Parametersmentioning
confidence: 99%
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