of leaching

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  Progress in bioleaching: fundamentals and mechanisms of …

  2022104 · The (bio)chemical fundamentals of the leaching reactions have been the subject of intensive research in the last decades. In this context, the sulfur chemistry behind the leaching mechanisms has been widely understood (Schippers 2004; Vera et al. 2013a ).

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  The leaching model and leaching kinetics of lithium slag in …

  2024621 · In this study, based on the leaching characteristics of lithium slag in sodium hydroxide solution, combined with microscopic testing methods, investigates the leaching activity of Si, Al, and Ca in lithium slag under different alkali concentrations, leaching times, and leaching temperatures.

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  Remediation of metal polluted hotspot areas through …

  20131015 · Highlights • Acidic process waste water could leach ≥90% of Cu from polluted soils. • Incineration of polluted soils with high organic content reduces metal leaching. • After one leaching step the soil residue …

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  Environmental risk of ion-absorbed rare earth ores: …

  To minimize environmental impacts during the leaching of IRE-ore, it is urgent to take measures, such as modifying the type of leaching agent, reducing the leaching agent concentration, and optimizing leaching methods.

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  leaching_leaching____ ...

  The research includes technological mineralogy, leaching principles, methods, measures and effects. 、 、 、 . . Sulfuric acid leaching technology of a nickeliferous spent material was studied. . . Through ...

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  Deactivation of solid catalysts in liquid media: the case of leaching ...

  201561 · Leaching refers to the loss of active species from the solid that are transferred into the liquid medium, causing eventually a deactivation of the catalyst. Intriguingly, not many published studies have dealt with leaching, since this is a specific phenomenon in the liquid phase and heterogeneous catalysis is mainly carried out in …

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  leaching -

  Keep bottled water away from heat, which promotes leaching of chemicals. ，。. [1] leaching，，， [] ，， [] [] （leaching）； [] ；；。.

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  Optimizing the Leaching Parameters and Studying the …

  2022114 · The study of copper (Cu) recovery is crucial for the entire recovery process of waste printed circuit boards (WPCBs), and Cu can be leached efficiently via a sulfuric acid–hydrogen peroxide (H2SO4–H2O2) system. To achieve high Cu recovery, it is important to evaluate the parameters of the leaching process and understand the Cu …

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  Impact of leaching and chlorides on sulfate attack for …

  202352 · The effect of leaching and chlorides on the sulfate ingress and cracking damage is investigated for cement paste. Disk specimens with one-dimensional …

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  A Review of In Situ Leaching (ISL) for Uranium Mining

  202432 · Learn about the advantages and challenges of in situ leaching, a novel technique for uranium mining, from this comprehensive review by MDPI.

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