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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.

Item Type:	Refereed Article
Keywords:	Gold; Silver; Recovery; Ammoniacal thiosulfate leaching; Ion exchange resins; Polymer adsorbents
Research Division:	Chemical Sciences
Research Group:	Analytical Chemistry
Research Field:	Separation Science
Objective Division:	Expanding Knowledge
Objective Group:	Expanding Knowledge
Objective Field:	Expanding Knowledge in the Chemical Sciences
Author:	Grosse, AC (Mr Andrew Grosse)
Author:	Dicinoski, GW (Associate Professor Gregory Dicinoski)
Author:	Shaw, M (Dr Matt Shaw)
Author:	Haddad, PR (Professor Paul Haddad)
ID Code:	27363
Year Published:	2003
Web of Science® Times Cited:	112
Deposited By:	Chemistry
Deposited On:	2003-08-01
Last Modified:	2010-02-05
Downloads:	17 View Download Statistics