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   Articles with "valuable metals" as a keyword



HIGH-SELECTIVITY RECYCLING OF VALUABLE METALS FROM SPENT LITHIUM-ION BATTERIES USING RECYCLABLE DEEP EUTECTIC SOLVENTS.

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recommendations! Published in 2024 at "ChemSusChem"

DOI: 10.1002/cssc.202301774

Abstract: The recovery of valuable metals from spent lithium-ion batteries using deep eutectic solvents (DESs) is an environmentally and economically beneficial process. In this study, a method has been developed for recovering LiNi0.33Co0.33Mn0.33O2. Our process operates under… read more here.

Keywords: spent lithium; lithium ion; valuable metals; ion batteries ... See more keywords

One-step recovery of valuable metals from spent Lithium-ion batteries and synthesis of persulfate through paired electrolysis

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recommendations! Published in 2021 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2021.129908

Abstract: Abstract The application of electrochemical methods on the recycling of valuable metals from spent lithium-ion batteries, and the removing of pollutant from wastewater by persulfate have attracted widespread attention in recent years. However, high energy… read more here.

Keywords: persulfate; valuable metals; spent lithium; paired electrolysis ... See more keywords

Leaching of valuable metals from electric arc furnace dust—Tetrabromobisphenol A pyrolysis residues

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recommendations! Published in 2017 at "Journal of Analytical and Applied Pyrolysis"

DOI: 10.1016/j.jaap.2017.04.019

Abstract: Abstract Pyrolysis of electric arc furnace dust (EAFD) mixed with Tetrabromobisphenol A (TBBPA) was performed in an inert atmosphere in order to extract valuable metals. Several pyrolysis variables were investigated in this work including pyrolysis… read more here.

Keywords: valuable metals; electric arc; pyrolysis; furnace dust ... See more keywords

Recovering valuable metals from LiNixCoyMn1-x-yO2 cathode materials of spent lithium ion batteries via a combination of reduction roasting and stepwise leaching

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recommendations! Published in 2019 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2018.12.226

Abstract: Abstract This work focuses on the recovery of valuable metal from the cathode materials of spent lithium ion batteries to ensure resource recycling and environmental protection. An environmentally friendly process involving reduction roasting and stepwise… read more here.

Keywords: valuable metals; spent lithium; cathode materials; lithium ion ... See more keywords

Selective leaching of valuable metals from laterite nickel ore with ammonium chloride-hydrochloric acid solution

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recommendations! Published in 2018 at "Journal of Cleaner Production"

DOI: 10.1016/j.jclepro.2018.01.085

Abstract: Abstract During the recent years, selective leaching from laterite ore has gained considerable interest from the scientific community because of the growing demand of valuable metals including nickel and cobalt. However, high energy consumption and… read more here.

Keywords: selective leaching; valuable metals; metals laterite; ammonium chloride ... See more keywords
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Sustainable and high-efficiency recycling of valuable metals from oily honing ferroalloy scrap via de-oiling and smelting separation.

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recommendations! Published in 2021 at "Journal of hazardous materials"

DOI: 10.1016/j.jhazmat.2021.125399

Abstract: Oily ferroalloy scraps generated from machinery honing enterprises are typical hazardous municipal materials that release benzene-series volatile organic compounds (VOC), which endanger human physical and mental health. Therefore, harmless treatment and resource reuse for these… read more here.

Keywords: valuable metals; smelting separation; honing ferroalloy; scrap ... See more keywords

Hydrometallurgical process development to recycle valuable metals from spent SCR deNOX catalyst

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recommendations! Published in 2021 at "Scientific Reports"

DOI: 10.1038/s41598-021-01726-0

Abstract: Spent catalyst, containing vanadium and tungsten oxide in a TiO2 glass fiber matrix, pose a risk of environmental contamination due to the high toxicity of its metal oxides if leached into the soil when disposed… read more here.

Keywords: hydrometallurgical process; valuable metals; scr catalyst; spent scr ... See more keywords

A closed-loop zero-liquid-discharge process for the precipitative separation of all valuable metals from waste lithium-ion batteries of mixed chemistries at room-temperature†

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recommendations! Published in 2025 at "Green Chemistry"

DOI: 10.1039/d5gc00054h

Abstract: Recycling spent lithium-ion batteries (LIBs) and recovering valuable metals is essential for resource sustainability, minimizing environmental footprint, and maximizing resource utilization. However, many existing recycling methods are costly, energy-intensive, pose... read more here.

Keywords: lithium ion; closed loop; valuable metals; ion batteries ... See more keywords

Electrostatic Separation of Valuable Metals From Finely-Ground WEEE

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recommendations! Published in 2025 at "IEEE Transactions on Industry Applications"

DOI: 10.1109/tia.2025.3541617

Abstract: Waste electrical and electronic equipment (WEEE) contain heavy metals (mercury, chromium, cadmium, lead, etc.) and halogen materials (bromine, chlorine, etc.), which are toxic for humans and harmful to the environment. WEEE are subjected to shredding… read more here.

Keywords: separation; finely ground; valuable metals; metals finely ... See more keywords

Valorization of coir peat in green extraction of valuable metals from spent lithium-ion batteries

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recommendations! Published in 2025 at "PLOS One"

DOI: 10.1371/journal.pone.0326867

Abstract: This research investigates an eco-friendly hydrometallurgical process for extracting valuable metals such as Li, Co, Ni, and Mn from spent lithium-ion batteries using biodegradable mixed organic acids, supported by coir peat as a natural reductant.… read more here.

Keywords: peat; coir peat; spent lithium; lithium ion ... See more keywords

Perspective on pH adjustment in hydrometallurgical recycling of valuable metals from waste

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recommendations! Published in 2023 at "Frontiers in Chemistry"

DOI: 10.3389/fchem.2023.1177173

Abstract: pH adjustment was considered a simple step in the hydrometallurgy process, but its complicated operation was ignored in the past. In some industrial applications, the leachate pH was slowly adjusted by a diluted alkaline solution,… read more here.

Keywords: recycling valuable; hydrometallurgical recycling; perspective adjustment; adjustment hydrometallurgical ... See more keywords