Recent advances in the recovery of metals from waste through biological processes.
Sign Up to like & getrecommendations! 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
Uptake patterns of critical metals in alpine plant species growing in an unimpaired natural site.
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
O2-enriched microbial activity with pH-sensitive solvo-chemical and electro-chlorination strategy to reclaim critical metals from the hazardous waste printed circuit boards.
Sign Up to like & getrecommendations! 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.
Sign Up to like & getrecommendations! 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
Occurrence Modes of Critical Metals (Li+ and Ge4+) in the Organic Molecular Structures of Coal: A Density Functional Theory Study
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
The Potential for REE and Associated Critical Metals in Karstic Bauxites and Bauxite Residue of Montenegro
Sign Up to like & getrecommendations! Published in 2021 at "Minerals"
DOI: 10.3390/min11090975
Abstract: Research for critical raw materials is of special interest, due to their increasing demand, opulence of applications and shortage of supply. Bauxites, or bauxite residue after alumina extraction can be sources of critical raw materials… read more here.
Keywords: potential ree; bauxites bauxite; ree associated; bauxite residue ... See more keywords
Mining Critical Metals from Seawater by Subnanostructured Membranes: Is It Viable?
Sign Up to like & getrecommendations! Published in 2022 at "Symmetry"
DOI: 10.3390/sym14040681
Abstract: The continuous demand for energy-critical elements such as lithium, cobalt, uranium and so on will soon exceed their availability increasing further their significance of geopolitical resources. Seawater is a relevant, not conventional source of critical… read more here.
Keywords: subnanometer pores; critical metals; metals seawater; mining critical ... See more keywords