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2020924 · A higher ore tonnage means more and/or larger mines, and an overall higher land disturbance, which, in turn, increases the likelihood of land use competition, which can generate or exacerbate pressures within the surrounding social and environmental context.
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2019415 · Iron ore tailings (IOTs) are a form of solid waste produced during the beneficiation process of iron ore concentrate. In this paper, iron recovery from IOTs was studied at different points during a process involving pre-concentration followed by direct reduction and magnetic separation. Then, slag-tailing concrete composite admixtures …
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20231011 · The environmental and economic sustainability of conventional Li processing has recently received increased scrutiny. Routes such as direct Li + extraction may provide advantages relative to conventional Li + extraction technologies, and one possible route to direct Li + extraction includes leveraging intercalation materials.
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201751 · Abstract. Comprehensive utilization of low grade manganese–zinc compound ore containing lead and silver with a method of reductive acid leaching was studied. According to the ϕ –pH diagram of Mn–Zn–H 2 O system, Mn and Zn can be leached simultaneously in the pH range of –2 to 5.61. The results showed that both …
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202346 · How to make lithium extraction cleaner, faster and cheaper — in six steps Demand for lithium for batteries and other green technologies is exploding. The industry must develop sustainable ...
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Lithium in salt lake brines has emerged as the main source for industrial lithium extraction, owing to its low cost and extensive reserves. The effective separation of Mg 2+ and Li + is critical to achieving high recovery efficiency and purity of the final lithium product. This paper summarizes Mg 2+ /Li + separation materials and methods in ...
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2024615 · 4. Conclusion In summary, we establish the feasibility of directly extracting active lithium from spent LIBs using PAHs. We extensively investigate the lithium storage mechanism of PAHs and their relationship between redox potentials and lithium extraction capacities, providing valuable insights for designing efficient lithium extraction solutions.
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Solvometallurgical process for extraction of copper from chalcopyrite and other sulfidic ore minerals† Xiaohua Li, *a Wouter Monnens,bZheng Li, Koen Binnemans a
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2024220 · In this paper, the CaSO4 and CaO mixed roasting process was used to selectively recover Li, P and Al from montebrasite ore, in order to solve the difficult separation of P and Al in sulfuric acid roasting process. First, the theoretical feasibility of the roasting process was verified by thermodynamic analysis of the reaction materials. …
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2020121 · The use of different mass ratios of polylithionite ore to CaCl 2 or NaCl at the optimum conditions (900 °C and 30 min roasting time) on Li extraction efficiency (Table 4) indicated that 2:1 of polylithionite ore :CaCl 2 had Li extraction efficiency of 57.51%.
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