红土选择性还原后的尾矿组成

F. Bahfie, A. Manaf, W. Astuti, F. Nurjaman, S. Suharto, U. Herlina, W. A. Adi, Maykel Manawan
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引用次数: 0

摘要

选择性还原过程产生精矿和尾矿/副产品形式的产品。尾矿中铁等元素在选择性还原过程中未被提取的比例较高。采用x射线衍射(XRD)、电感耦合等离子体发射光谱(ICP-OES)、紫外可见光谱(UV-VIS)和扫描电子显微镜能量色散光谱(SEM-EDS)研究了选择性还原副产物的性质。在此基础上,可以对尾矿中铁硫、铁镁铝和硅相的性质进行实验解释。为今后酸浸、碱浸等工艺的研究提供参考。从尾矿中提取的纯铁可用于金属燃料。这些尾矿成分数据将有助于未来的研究人员找到尾矿的最佳工艺。
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Composition of tailings after selective reduction of laterite
The selective reduction process generates products in the form of concentrates and tailing/by-products. There is high percentage of iron and other elements in the tailings that are not extracted in selective reduction process. Properties of by-products of selective reduction were investigated using X-ray diffraction (XRD), inductively coupled plasma optical emission spectroscopy (ICP–OES), ultraviolet-visible (UV–VIS), and scanning electron microscopy energy dispersion spectroscopy (SEM–EDS). Based on the results of this study, the properties of iron-sulfur, iron-magnesium-aluminium, and silica phases in the tailings can be interpreted experimentally. For future research, it can be the reference for such processes as acid and base leaching. Pure iron extracted from tailings can be used for metal fuel in the future. The tailings composition data will help future researchers to find optimal processes for the tailings.
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