A Kinetic Model for Chelating Extraction of Metals from Spent Hydrodesulphurization Catalyst by Complexing Agent
Sign Up to like & getrecommendations! Published in 2020 at "Transactions of the Indian Institute of Metals"
DOI: 10.1007/s12666-020-02007-6
Abstract: In this present paper, chelating extraction of metals from spent hydrodesulphurization catalyst was carried out using ethylene diamine tetraacetic acid as complexing agent. Mo, Ni and Co metals were precipitated in ammonium molybdate, nickel dimethylglyoxime… read more here.
Keywords: spent hydrodesulphurization; hydrodesulphurization catalyst; chelating extraction; metals spent ... See more keywords
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
Organic acid-based linear free energy relationship models for green leaching of strategic metals from spent lithium-ion batteries and improvement of leaching performance.
Sign Up to like & getrecommendations! Published in 2021 at "Journal of hazardous materials"
DOI: 10.1016/j.jhazmat.2021.127214
Abstract: Water-soluble organic acids (e.g., acetic acid, acrylic acid, and ascorbic acid), as green leachants, have been applied to leach strategic metals (Ni, Li, Mn, and Co) from spent lithium-ion batteries (LIBs). Organic acid-based linear free… read more here.
Keywords: acid; strategic metals; spent lithium; efficiency ... See more keywords
Optimization of Synergistic Leaching of Valuable Metals from Spent Lithium-Ion Batteries by the Sulfuric Acid-Malonic Acid System Using Response Surface Methodology.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.1c23258
Abstract: A new environmentally friendly and economical recycling process for extracting metals from spent lithium-ion batteries (LIBs) using sulfuric acid and malonic acid as leaching agents is proposed. By applying Box-Behnken design (BBD) and response surface… read more here.
Keywords: methodology; malonic acid; spent lithium; acid ... See more keywords