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By using our site, you agree to our collection of information through the use of cookies. To learn more, view our Privacy Policy. To browse Academia. With growing environmental and occupational safety concerns over the use of cyanide in gold processing, more acceptable alternatives are receiving increased interest. The most promising of the possible alternatives is thiosulfate. However, as activated carbon is not an effective substrate for the adsorption of the gold thiosulfate complex, the thiosulfate process lacks a proven in-pulp method for recovering dissolved gold. Anion exchange resins offer a possible route for in-pulp recovery. This thesis describes work aimed at evaluating the effectiveness of commercially available anion exchange resins for the recovery of gold from thiosulfate leach liquors and pulps. It was found that Strong-base resins are superior at accommodating the gold thiosulfate complex compared to Weak-base resins, which means Strong-base resins have a greater capacity to compete with other anions in leach solutions. Strong-base resins were therefore the preferred choice of resin for recovery of gold from thi Stefano Ubaldini. The study has permitted identification of the influence of temperature, leaching agent concentration, pulp density and leaching time on the gold dissolution. Gold has been recovered. In the model of adsorption the experimental data were adjusted to the Freundlich isotherm. Abrar Muslim. Ireneusz Miesiac. Sueli Bertolino. Craig Morton. Raffaele Molinari. Log in with Facebook Log in with Google. Remember me on this computer. Need an account? Click here to sign up. Download Free PDF. Gulzira Ibraeva. Related Papers. Recovery of gold from thiosulfate solutions and pulps with anion-exchange resins. Hydrometallurgy An innovative thiourea gold leaching process. Minerals Engineering The use of ion exchange resins for the treatment of cyanidation tailings part 1——process development of selective base metal elution. Brazilian Journal of Chemical Engineering The elution of metal cyanocomplexes from polyacrylic - and polystyrene- based ion exchange resins using nitrate and thiocyanate eluants. Reactive and Functional Polymers The speciation of gold and copper cyanide complexes on ion-exchange resins containing different functional groups. Study of the Gold Extraction Reaction. Separation and Purification Technology Removal of silver and copper ions from acidic thiourea solutions with a supported liquid membrane containing D2EHPA as carrier.

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