Recovery technologies for indium, gallium, and germanium from end-of-life products (electronic waste)–A review

K Zheng, MF Benedetti, ED van Hullebusch - Journal of environmental …, 2023 - Elsevier
Advanced high-tech applications for communication, renewable energy, and display, heavily
rely on technology critical elements (TCEs) such as indium, gallium, and germanium …

Recycling indium from waste LCDs: A review

K Zhang, Y Wu, W Wang, B Li, Y Zhang… - Resources, Conservation …, 2015 - Elsevier
As one of the most widely used scarce metals located at the column of IIIA in the periodic
table, indium has drawn more and more attention due to its semiconductor and …

Recovery of gallium from leach solutions of zinc refinery residues by stepwise solvent extraction with N235 and Cyanex 272

K Zhang, L Qiu, J Tao, X Zhong, Z Lin, R Wang, Z Liu - Hydrometallurgy, 2021 - Elsevier
A novel approach was proposed for the extraction of gallium from high-ferric and strongly
acidic sulfate leach solutions from zinc refinery residue. The stepwise separation was …

Recovery of indium from indium tin oxide by solvent extraction

S Virolainen, D Ibana, E Paatero - Hydrometallurgy, 2011 - Elsevier
Recovery of indium from LCD screen wastes, which contain indium in the form of indium tin
oxide (ITO) as the electrode material, is becoming economically and environmentally …

Recovery of gallium from Bayer liquor: A review

Z Zhao, Y Yang, Y Xiao, Y Fan - Hydrometallurgy, 2012 - Elsevier
Bayer liquor is the biggest raw material resource for gallium production. Four kinds of
methods have been developed to recover gallium from Bayer solutions, including fractional …

Indium recovery from discarded LCD panel glass by solvent extraction

J Yang, T Retegan, C Ekberg - Hydrometallurgy, 2013 - Elsevier
Indium is one of the key components in an LCD. In this work a potential recycling method
involving leaching and solvent extraction was studied. Leaching of crushed LCD glass was …

Adsorption of indium (III) ions from aqueous solution using chitosan-coated bentonite beads

MJC Calagui, DB Senoro, CC Kan… - Journal of hazardous …, 2014 - Elsevier
Batch adsorption study was utilized in evaluating the potential suitability of chitosan-coated
bentonite (CCB) as an adsorbent in the removal of indium ions from aqueous solution. The …

An overview of metals recovery from thermal power plant solid wastes

AS Meawad, DY Bojinova, YG Pelovski - Waste management, 2010 - Elsevier
Thermal power plants (TPPs) that burn fossil fuels emit several pollutants linked to the
environmental problems of acid rain, urban ozone, and the possibility of global climate …

Recovery of indium from etching waste by solvent extraction and electrolytic refining

HN Kang, JY Lee, JY Kim - Hydrometallurgy, 2011 - Elsevier
A large amount of an etching waste containing indium is wasted by plants manufacturing
liquid crystal displays. In this study, the recovery of indium from the etching waste by solvent …

[HTML][HTML] The recycling of pure metallic indium from waste LCD screens by a combined hydro-electrometallurgical method

IB Illés, S Nagy, T Kékesi - Hydrometallurgy, 2022 - Elsevier
Abstract The Liquid Crystal Display (LCD) panels were removed and crushed to be leached.
Sulphuric acid of 0.25 MH 2 SO 4 was found best for relatively fast reactions and selectivity …