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首页> 外文期刊>Nuclear Instruments & Methods in Physics Research >Elemental analysis of mining wastes by energy dispersive X-ray fluorescence (EDXRF)
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Elemental analysis of mining wastes by energy dispersive X-ray fluorescence (EDXRF)

机译：能量色散X射线荧光（EDXRF）对采矿废物的元素分析

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An energy dispersive X-ray fluorescence (EDXRF) tri-axial geometry experimental spectrometer has been employed to determine the concentrations of 13 different elements (K, Ca, Ti, Cr, Mn, Fe, Co, Ni, Cu, Zn, Rb, Sr and Pb) in mine wastes from different depths of two mine tailings from the Cartagena-La Union (Spain) mining district. The elements were determined and quantified using the fundamental parameters method. The concentrations of Cr, Ni, Cu, Zn and Pb were compared to the values from the European and Spanish legislation to evaluate the environmental risk and to classify the wastes as inert wastes or as wastes that have to be control land-filled. The results obtained demonstrate that these wastes can be considered as inert for the considered elements, apart from the concentration levels of Zn and Pb. Whilst Zn slightly overpasses the regulatory levels, Pb mean value exceeds three to six times the value to be considered as Class Ⅰ potential land-filling material.
机译：能量色散X射线荧光（EDXRF）三轴几何实验光谱仪已用于确定13种不同元素（K，Ca，Ti，Cr，Mn，Fe，Co，Ni，Cu，Zn，Rb，来自西班牙卡塔赫纳-拉联合矿区的两个矿山尾矿深度不同的矿渣中的Sr和Pb）。使用基本参数方法确定和定量元素。将Cr，Ni，Cu，Zn和Pb的浓度与欧洲和西班牙立法中的值进行比较，以评估环境风险并将废物分类为惰性废物或必须控制为填埋的废物。获得的结果表明，除了锌和铅的浓度水平外，这些废物对于所考虑的元素也可以视为惰性物质。锌虽然略高于规定水平，但铅的平均值超过了被认为是Ⅰ类潜在填埋材料的三到六倍。

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