Physicochemical characterization of Copper Ore from Akiri, Awe LGA, Nasarawa State

Science World Journal Pub Date : 2023-10-10 DOI:10.4314/swj.v18i3.7

A. Taofeek, I.A. Amos

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Abstract

The bulk density, compressional strength, hardness, particle study and chemical analysis of ore from Akiri were determined using standard methods and Energy Dispersive x-ray Fluorescence spectrometry (ED-XRFS). The results obtained indicated that the ore bulk density was 3.58 (g/cm3 ), compressional strength 1.24 (%), and hardness 96.0(N). The particle size analysis of +0-90µm, +125-90µm, and +125-180µm, revealed over-size fractions above 250µm.The chemical composition of the ore in terms of oxide showed that the ore is composed of different minerals: 63.52% Fe2O3, 11.25% SO3, 7.62% CuO, 4.30% MOO3, 3.18% SiO2, 1.73% BaO,1.20% ZnO,1.12% MnO,0.86% PbO,0.60% Re2O7, 0.54% Eu2O3and CaO, 0.27% RuO2, 0.15% Cr2O3, 0.09% K2O, 0.08% Yb2 O3, 0.06% SrO, and TiO2, 0.04% Nd2O3, and CeO2, 0.03% Y2O3 and NiO respectively. The results of the elemental composition varied in the copper ore with an indication of a significant concentration of Cu compared to other elements, except Fe which showed a higher concentration. The value 35.% Fe, 6.10% Cu, 4.48% S, 3% Mo, 1.55% Ba, 1.48% Si, 1% Zn and Pb, 0.90% Mn, 0.5% Re, 0.45 Eu, 0.40% Ca, 0.21% Ru, 0.10% Cr, K, and Yb,0.04% Ti, Ni, Y, and Sr, 0.03 % Nd, and Ce obtained represent the individual elemental content in the ore. The result is an indication that the ore can be explored for the processing of valuable minerals.

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Nasarawa州Akiri, Awe LGA铜矿石的物理化学特征

采用标准方法和能量色散x射线荧光光谱法(ED-XRFS)测定了Akiri矿石的体积密度、抗压强度、硬度、颗粒研究和化学分析。结果表明:矿石容重为3.58 (g/cm3)，抗压强度为1.24(%)，硬度为96.0(N)。+0-90µm、+125-90µm和+125-180µm的粒度分析显示，250µm以上的颗粒尺寸过大。矿石的氧化物化学组成表明，矿石由不同矿物组成:63.52% Fe2O3、11.25% SO3、7.62% CuO、4.30% MOO3、3.18% SiO2、1.73% BaO、1.20% ZnO、1.12% MnO、0.86% PbO、0.60% Re2O7、0.54% eu2o3和CaO、0.27% RuO2、0.15% Cr2O3、0.09% K2O、0.08% Yb2 O3、0.06% SrO和TiO2、0.04% Nd2O3、CeO2、0.03% Y2O3和NiO组成。铜矿石的元素组成结果各不相同，除铁元素含量较高外，铜元素含量显著高于其他元素。取值为35。得到的单个元素含量为:% Fe、6.10% Cu、4.48% S、3% Mo、1.55% Ba、1.48% Si、1% Zn、Pb、0.90% Mn、0.5% Re、0.45 Eu、0.40% Ca、0.21% Ru、0.10% Cr、K、Yb、0.04% Ti、Ni、Y、Sr、0.03% Nd、Ce，表明该矿石可进行有价矿物的选矿。

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Science World Journal

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