Abstract
Iron (Fe), being such an abundant element, is used in various industries such as the steel industry. Similarly, arsenic (As) can be treated to obtain an industrially useful by-product. For this reason, the leaching of arsenopyrite (FeAsS) from mining tailings is silvered, using Thiourea (CH4N2S)-Oxalate (C2O42−) system. The presence of FeAsS was confirmed by XRD and SEM–EDS, while the ICP analysis indicated a content of 5.47% Fe and 0.93% As. Likewise, the parameters analyzed were [CH4N2S] and [C2O42−]. As a result, the highest recovery of Fe was 21.29% and As of 24.04%, in concentrations of Thiourea of 0.03 mol and Oxalate of 0.1 mol, at 60 min.
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Hernández, E.J.M. et al. (2023). Leaching of Arsenopyrite Contained in Tailings Using the TU-OX System. In: Reddy, R.G., et al. New Directions in Mineral Processing, Extractive Metallurgy, Recycling and Waste Minimization. TMS 2023. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-031-22765-3_32
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