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Please use this identifier to cite or link to this item: http://dlibrary.univ-boumerdes.dz:8080/handle/123456789/396

Titre: Impact of earthquake demolition debris on the quality of groundwater in Boumerdes, Algeria
Auteur(s): Benmenni, M.S.
Benrachedi, K.
Mots-clés: Demolition debris
Landfill
Leachate
Heavy metals
Groundwater
Infiltration
Issue Date: 2011
Collection/Numéro: Asian Journal of chemistry/ Vol.23, N°5 ( 2011);pp. 1999-2002
Résumé: This study is a contribution to the assessment of actual impact on the quality of groundwater of buried demolition debris from the city of Boumerdes, in the North of Algeria 5 years after the May 21st 2003 earthquake hit the region. Leachate analysis indicated organic matter with relatively high COD (1136 mg/L O2) and BOD5 (200 mg/L O2); whereas the pH yielded 7.65 thus indicating fermentation phase of the landfill. Heavy metal contents are beyond national standard limits except for Pb with 0.51 mg/L which is slightly higher than limit value of 0.5 mg/L. More than 5 years after the creation of this landfill and despite its predominant C and D nature, these results showed that it is following a typical urban wastes decomposition scheme. Same analysis carried on water samples drawn from the piezometers yielded following results: acidic pH (6.88), acceptable values of target heavy metals concentrations except for Zn with 0.779 mg/L. Additionally bacteriological cross analysis (membrane filter and multi-tube methods) showed groundwater contamination by total coliforms (1100/100 mL), fecal coliforms (11/100mL) and fecal streptococci (1100/100 mL)
URI: http://dlibrary.univ-boumerdes.dz:8080/jspui/handle/123456789/396
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