B. Luc, Doumounia Ali, Kohio Niéssan, Ouédraogo Soumaila, F. Zougmore
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引用次数: 0
Abstract
The study was conducted to evaluate the concentrations of heavy metals in landfill soils. The soils samples were collected in some selected landfill, at Ouagadougou. Determinations of heavy metal concentrations, calculation of contamination factor and pollution load index of heavy metal in landfill soil were undertaken. The atomic absorption spectrophotometer was used to determine the concentrations of heavy metals (Cr, Mn, Fe, Ni, Cu, Zn, As, Cd, Hg and Pb) in the soils samples. The results showed that the average concentrations of chromium, lead and zinc determined in soils exceed the limits recommended by AFNOR NF U 44-04 and the recommended values proposed by CCME. This study showed that the soils from landfill sites were polluted by heavy metal.
本研究旨在评价垃圾填埋场土壤中重金属的浓度。土壤样本是在瓦加杜古选定的一些垃圾填埋场收集的。进行了填埋场土壤重金属浓度测定、污染系数计算和重金属污染负荷指数计算。采用原子吸收分光光度计测定土壤样品中重金属(Cr、Mn、Fe、Ni、Cu、Zn、As、Cd、Hg、Pb)的浓度。结果表明，土壤中铬、铅、锌的平均浓度超过了AFNOR NF U 44-04的推荐限值和CCME的推荐值。研究表明，垃圾填埋场土壤受到重金属的严重污染。
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