One-step recovery of valuable metals from spent Lithium-ion batteries and synthesis of persulfate through paired electrolysis
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Sustainable and high-efficiency recycling of valuable metals from oily honing ferroalloy scrap via de-oiling and smelting separation.
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Perspective on pH adjustment in hydrometallurgical recycling of valuable metals from waste
Sign Up to like & getrecommendations! 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
Efficient dealkalization of red mud and recovery of valuable metals by a sulfur-oxidizing bacterium
Sign Up to like & getrecommendations! Published in 2022 at "Frontiers in Microbiology"
DOI: 10.3389/fmicb.2022.973568
Abstract: Red mud (RM) is a highly alkaline polymetallic waste generated via the Bayer process during alumina production. It contains metals that are critical for a sustainable development of modern society. Due to a shortage of… read more here.
Keywords: efficient dealkalization; bacterium; dealkalization; red mud ... See more keywords
Microwave-Leaching of Copper Smelting Dust for Cu and Zn Extraction
Sign Up to like & getrecommendations! Published in 2019 at "Materials"
DOI: 10.3390/ma12111822
Abstract: Industrial wastes may contain high concentrations of valuable metals. Extraction and recovery of these metals have several economic and environmental advantages. Various studies showed positive effects of microwaves as a pretreatment method before the leaching… read more here.
Keywords: extraction; leaching copper; valuable metals; microwave leaching ... See more keywords
The Recovery of Valuable Metals from Ocean Polymetallic Nodules Using Solid-State Metalized Reduction Technology
Sign Up to like & getrecommendations! Published in 2019 at "Minerals"
DOI: 10.3390/min10010020
Abstract: Ocean polymetallic nodules are oxide ores rich in Ni, Co, Cu, and Mn, which are valuable metals found in deep-sea mineral resources. Such non-ferrous metals do not exist in isolation, and producing concentrates using conventional… read more here.
Keywords: state; recovery; valuable metals; metals ocean ... See more keywords