Journal article
The role of ligands and oxidants in thiosulfate leaching of gold
Gold Bulletin, Vol.38(4), pp.170-179
2005
Abstract
The widely used cyanidation technology is not applicable to some gold ores due to economic or technical reasons when the cyanidation gives very low gold extractions. Despite the fact that the gold mining industry accounts for only 13% of total cyanide consumption there is growing public concern over the use of toxic cyanide for gold extraction. Many researchers have identified that thiosulfate leaching is the most likely alternative to cyanidation due to non-toxicity, low cost and other benefits. This article describes the current information on stoichiometric relationships, equilibria, reaction rates and mechanisms related to anodic or chemical oxidation of gold in thiosulfate, ammoniacal thiosulfate and ammoniacal copper(II) thiosulfate solutions in the presence or absence of oxygen.
Details
- Title
- The role of ligands and oxidants in thiosulfate leaching of gold
- Authors/Creators
- G. Senanayake (Author/Creator) - Cooperative Research Centre
- Publication Details
- Gold Bulletin, Vol.38(4), pp.170-179
- Publisher
- Springer Berlin
- Identifiers
- 991005541011807891
- Murdoch Affiliation
- Parker Cooperative Research Centre for Integrated Hydrometallurgy Solutions
- Language
- English
- Resource Type
- Journal article
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InCites Highlights
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- Citation topics
- 7 Engineering & Materials Science
- 7.229 Mineral & Metal Processing
- 7.229.774 Bioleaching
- Web Of Science research areas
- Chemistry, Inorganic & Nuclear
- Chemistry, Physical
- Materials Science, Multidisciplinary
- ESI research areas
- Materials Science