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| Titel: |
USE OF CLAY TO REMOVE HEAVY METALS FROM JEBEL CHAKIR LANDFILL LEACHATE |
| Auteur: |
ISLEM CHAARI Mounir Medhioub FAKHER JAMOUSSI |
| Verschenen in: |
Journal of applied sciences in environmental sanitation |
| Paginering: | Jaargang 6 (2011) nr. 2 pagina's 143-148 |
| Jaar: |
2011 |
| Inhoud: |
Adsorptive removal of copper and nickel from Jebel Chakir landfill leachate onto smectite-rich clayey rock were carried out by both batch and column methods. The raw AYD clay was sampled in El Hamma area (Tunisia). The adsorbent employed was characterized by X-ray diffraction, specific surface area, cation exchange capacity and point of zero charge. Results showed that raw AYD clay possesses a high surface area owing to its mineralogical composition. An increase in the clay quantity from 0.5 to 5.5g generates a reduction in the quantity of metals adsorbed in the solid phase. The adsorption of heavy metals increases with a decrease in the pH leachate from 8.11 to 5.0. The column experiments showed that the addition of sand to the J. Aïdoudi clay can be useful for leachate depollution, but for a few volume due to the fine fraction of this clay (< 2µm = 89.6%). the comparison study of the heavy metals adsorption on raw AYD clay by the two modes of adsorption (batch and column) showed that column test are better than that obtained by batch test. |
| Uitgever: |
Sepuluh Nopember Institute of Technology (ITS) (provided by DOAJ) |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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