Pre-Reducing Process Kinetics to Recover Metals from Nickel Leach Waste Using Chelating Resins
Amilton Barbosa Botelho Junior,David Dreisinger,Denise Crocce Romano Espinosa,Jorge Alberto Soares Tenório +3 more
Reads0
Chats0
TLDR
In this paper, the main problem of the separation process from nickel mining using the ion exchange technique is the presence of iron, which precipitates in pH above 2.00 and causes coprecipitation of copper and cobalt.Abstract:
The main problem of the separation process from nickel mining using the ion exchange technique is the presence of iron, which precipitates in pH above 2.00 and causes coprecipitation of copper and cobalt. Chelating resins have the main advantage of being selected for a specific metal present in solution. Studies have been developed to increase the efficiency of metals recovery using chemical reduction and the ion exchange process to recover metals. The aim of this work was to use sodium sulfite as a reducing agent to convert Fe(III) to Fe(II). Chelating resins Lewatit® TP 207, selective for copper, and Lewatit® TP 220, selective for nickel and cobalt, were studied. Batch experiments were performed to study the effect of pH with and without sodium sulfite. Results indicated that the industrial process has increased efficiency when the reducing process is applied.read more
Citations
More filters
Journal ArticleDOI
Enhancing cobalt recovery from Li-ion batteries using grinding treatment prior to the leaching and solvent extraction process
V.C.I. Takahashi,A. B. Botelho Junior,Denise Crocce Romano Espinosa,Jorge Alberto Soares Tenório +3 more
TL;DR: In this paper, different grinding techniques were studied to ground the scrap: hammer, knife, and ceramic balls were evaluated on dismantling considering cobalt release, and the best efficiency for cobalt leaching was obtained using H2SO4+H2O2 at pH 3.0 and 50°C.
Journal ArticleDOI
Effect of iron oxidation state for copper recovery from nickel laterite leach solution using chelating resin
Amilton Barbosa Botelho Junior,André de Albuquerque Vicente,Denise Crocce Romano Espinosa,Jorge Alberto Soares Tenório +3 more
TL;DR: In this paper, the effect of iron oxidation state for Cu(II) recovery was studied and two different solutions of nickel laterite leach were prepared with Fe(III) and Fe(II).
Journal ArticleDOI
Recovery of metals by ion exchange process using chelating resin and sodium dithionite
Amilton Barbosa Botelho Junior,André de Albuquerque Vicente,Denise Crocce Romano Espinosa,Jorge Alberto Soares Tenório +3 more
TL;DR: In this paper, the effect of reducing agent on the chelating ion exchange resins was studied and the results showed that metals adsorption increased when the ferric iron was converted to ferrous iron by reducing process.
Journal ArticleDOI
Adsorption of lanthanum and cerium on chelating ion exchange resins: kinetic and thermodynamic studies
Amilton Barbosa Botelho Junior,Érika Freitas Pinheiro,Denise Crocce Romano Espinosa,Jorge Alberto Soares Tenório,Marcela dos Passos Galluzzi Baltazar +4 more
TL;DR: In this article, a hydrometallurgical route was proposed to obtain rare earth elements (REE) from different sources in the coming years, using a combination of rare earth and water.
References
More filters
Journal ArticleDOI
Global trends and environmental issues in nickel mining: sulfides versus laterites
Gavin Mark Mudd,Gavin Mark Mudd +1 more
TL;DR: In this paper, a wide array of data on global Ni mining, presenting a coherent picture of major historical trends and the current industry configuration, is presented, including unique historical data sets for major Ni fields, especially the Sudbury Basin and Thompson fields in Canada and the Kambalda field in Australia.
Book
Extractive Metallurgy of Nickel, Cobalt and Platinum Group Metals
Frank K. Crundwell,Michael S. Moats,Venkoba Ramachandran,Timothy G. Robinson,William G. Davenport +4 more
TL;DR: In this article, a detailed review of the fundamental chemistry and physics of extractive metallurgy with practical lessons from industrial consultancies at the leading international plants is presented, focusing on present day processes and future developments rather than historical processes.
The past and the future of nickel laterites
TL;DR: In this article, the authors reviewed the history and capital and operating costs of various recent laterite projects and of those "on the drawing board" and evaluated the risk associated with such projects.
Journal ArticleDOI
A Detailed Assessment of Global Nickel Resource Trends and Endowments
Gavin Mark Mudd,Simon M. Jowitt +1 more
TL;DR: A detailed compilation and assessment of globally reported Cu resources by project and standard deposit types for the year 2010 is presented in this paper, showing that the vast majority of global copper resources are hosted by Cu porphyry deposits, especially in Chile.
Journal ArticleDOI
Gold and silver extraction by ammoniacal thiosulfate leaching from a rhyolite ore
TL;DR: In this paper, an investigation has been carried out to identify the parameters of importance in the dissolution of gold and silver values from an ore using ammoniacal thiosulfate solutions containing copper.