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Selective recovery of germanium with N-methylglucamine functional resin from sulfate solutions
Growing demand of germanium and uncertainties in supply create a need for research into efficient separation methods. Ion exchange recovery of germanium from sulfate solutions was studied with equilibrium experiments, ...
Recovery of valuable metals from argon oxygen decarburization (AOD) dusts by leaching, filtration and solvent extraction
For each ton of steel produced from a typical steelmaking plant, up to several tens of kilograms of dust, containing significant amounts of valuable and/or environmentally harmful metals, are also produced. A hydrometallurgical ...
Controlled partial neutralization of amphoteric ion exchange resin for improved metals separation
Controlled partial neutralization of an amphoteric aminomethylphosphonium functional ion exchange resin (Lewatit TP-260) was investigated. The particular goal of controlled neutralization was to replace H+ in the acidic ...