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Leaching and recovery of gold using ammoniacal thiosulfate leach liquors (a review)

journal contribution
posted on 2023-05-16, 14:23 authored by Grosse, AC, Gregory Dicinoski, Shaw, M, Paul HaddadPaul Haddad
A review is presented summarising the leaching of gold with ammoniacal thiosulfate solutions, and evaluating the current use and development of ion exchange resins for the recovery of gold and silver from such leach liquors. Comparisons are also made with other recovery processes, including carbon adsorption, solvent extraction, electrowinning and precipitation. Thiosulfate leaching chemistry is compared with cyanide leaching, and the problems associated with obtaining a high yield of recovered gold using the former process are discussed. The present limitations of using Resin-in-Pulp (RIP) and Resin-in-Leach (RIL) systems with thiosulfate liquors are indicated and possible solutions discussed.

History

Publication title

Hydrometallurgy

Volume

69

Issue

1-3

Pagination

1-21

ISSN

0304-386X

Department/School

School of Natural Sciences

Publisher

Elsevier Science BV

Place of publication

Amsterdam, Netherlands

Rights statement

The definitive version is available at http://www.sciencedirect.com

Repository Status

  • Restricted

Socio-economic Objectives

Expanding knowledge in the chemical sciences

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