Articles with "critical metals" as a keyword



Drivers and Pathways for the Recovery of Critical Metals from Waste‐Printed Circuit Boards

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Published in 2024 at "Advanced Science"

DOI: 10.1002/advs.202309635

Abstract: The ever‐increasing importance of critical metals (CMs) in modern society underscores their resource security and circularity. Waste‐printed circuit boards (WPCBs) are particularly attractive reservoirs of CMs due to their gamut CM embedding and ubiquitous presence.… read more here.

Keywords: waste printed; circuit boards; critical metals; printed circuit ... See more keywords

Recent advances in the recovery of metals from waste through biological processes.

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Published in 2019 at "Bioresource technology"

DOI: 10.1016/j.biortech.2019.122416

Abstract: Wastes containing critical metals are generated in various fields, such as energy and computer manufacturing. Metal-bearing wastes are considered as secondary sources of critical metals. The conventional physicochemical methods of metals recovery are energy-intensive and… read more here.

Keywords: recovery; advances recovery; recent advances; recovery critical ... See more keywords
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Uptake patterns of critical metals in alpine plant species growing in an unimpaired natural site.

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Published in 2021 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2021.132315

Abstract: The range of metals used for industrial purposes - electrical engineering, solar panels, batteries - has increased substantially over the last twenty years. Some of these emerging metals are the subject of geopolitical conflict and… read more here.

Keywords: plant; uptake patterns; plant species; site ... See more keywords

Characterization and recovery of rare earth elements and other critical metals (Co, Cr, Li, Mn, Sr, and V) from the calcination products of a coal refuse sample

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Published in 2020 at "Fuel"

DOI: 10.1016/j.fuel.2020.117236

Abstract: Abstract The impacts of calcination on the leaching recovery of rare earth elements (REEs) and other critical metals from a Baker seam coal refuse material were investigated in this study. Acid leaching test results showed… read more here.

Keywords: recovery; calcination; rare earth; coal refuse ... See more keywords

Separation efficiency of valuable and critical metals in WEEE mechanical treatments

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Published in 2018 at "Journal of Cleaner Production"

DOI: 10.1016/j.jclepro.2018.03.112

Abstract: Abstract The high demand of rare earth elements (REEs) in electronics industry and their high supply risk owing to the dependence on limited source countries have increased the interest towards Waste Electrical and Electronic Equipment… read more here.

Keywords: weee mechanical; valuable critical; recovery; separation efficiency ... See more keywords
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O2-enriched microbial activity with pH-sensitive solvo-chemical and electro-chlorination strategy to reclaim critical metals from the hazardous waste printed circuit boards.

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Published in 2021 at "Journal of hazardous materials"

DOI: 10.1016/j.jhazmat.2021.125769

Abstract: An innovative process integration for the sustainable recovery of critical metals from waste printed circuit boards (WPCBs) is demonstrated. In the acid pre-treatment of WPCBs, > 95% of highly toxic metals lead and tin could dissolve… read more here.

Keywords: waste printed; circuit boards; electro chlorination; printed circuit ... See more keywords

Selective Extraction of Critical Metals from Spent Lithium-Ion Batteries.

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Published in 2023 at "Environmental science & technology"

DOI: 10.1021/acs.est.2c07689

Abstract: Selective and highly efficient extraction technologies for the recovery of critical metals including lithium, nickel, cobalt, and manganese from spent lithium-ion battery (LIB) cathode materials are essential in driving circularity. The tailored deep eutectic solvent… read more here.

Keywords: selective extraction; critical metals; extraction; spent lithium ... See more keywords

Three-in-One Self-Sacrifice Mechanism Driving Green and Universal Critical Metals Leaching from Spent Lithium-Ion Batteries.

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Published in 2025 at "Environmental science & technology"

DOI: 10.1021/acs.est.5c11601

Abstract: Developing green and efficient methods for critical metal recycling from spent lithium-ion batteries (LIBs) is crucial for a circular economy and a sustainable society. Traditional pyrometallurgy or hydrometallurgy techniques featuring high energy or hazardous chemical… read more here.

Keywords: three one; spent lithium; lithium ion; critical metals ... See more keywords

Occurrence Modes of Critical Metals (Li+ and Ge4+) in the Organic Molecular Structures of Coal: A Density Functional Theory Study

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Published in 2023 at "ACS Omega"

DOI: 10.1021/acsomega.3c01801

Abstract: To explore the mechanism of critical metal (Li+ and Ge4+) occurrence in the organic molecular structures of different rank coals, simulations were investigated using quantum chemical density functional theory. In this paper, Wender lignite, bituminous,… read more here.

Keywords: adsorption; molecular structures; critical metals; metals ge4 ... See more keywords

Risks from technology-critical metals after extraction

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Published in 2018 at "Nature"

DOI: 10.1038/d41586-018-05234-6

Abstract: Coral reefs are again in the spotlight, having suffered mass mortality over the past two years from global bleaching events. Before reef resilience runs out, researchers must move beyond lamenting corals’ lost pristine state and… read more here.

Keywords: metals extraction; risks technology; geography; technology critical ... See more keywords

Lithium loss from pegmatites controlled by country rock temperature

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Published in 2025 at "Nature Communications"

DOI: 10.1038/s41467-024-55794-7

Abstract: The sustainable energy technologies that are required to achieve net-zero carbon emissions rely on critical metals. Pegmatite deposits are one of the world’s primary sources of these critical metals, which makes understanding their formation essential.… read more here.

Keywords: pegmatites controlled; lithium loss; country rock; critical metals ... See more keywords