The role of oxygen in cyanide leaching of gold ore

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Mots clés : Gold;Cyanide leaching;Chemistry of cyanidation;Oxidation;Preaeration
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Publication: CIM Bulletin
Auteur(s): Lynne Bowen
Numéro: 963
Volume: 85
Année: 1992
Texte
Publication: CIM Bulletin
Auteur(s): Andrew Cormier
Numéro: 963
Volume: 85
Année: 1992
Texte
Sommaire: At Teck-Corona Operating Corporation's David Bell Mine, a successful -water quality management strategy has been established. This resulted from the development and application of process technology, allowing year round discharge of an effluent exceeding the chemical and biological standards set by the Ministry of Environment. This strategy aims at minimizing contaminant levels of effluents through optimization of reagent selection and reduction of effluent volumes through maximizing reclaim...
Publication: CIM Bulletin
Auteur(s): Klaus Meyer
Mots clés: Water quality, Effluent treatment.
Numéro: 963
Volume: 85
Année: 1992
Texte
Sommaire: Australia's prosperity relies significantly on income generated from exports of resources and agricultural products. In 1989-1990, coal was Australia's most valuable export commodity, contributing A$5.7 billion or 14% of all export income.
The abundance and quality of its coal resources and the proximity of Australia to the rapidly developing economies of Southeast Asia were significant factors that encouraged export-oriented growth and investment and will continue to do so. On the other...
Publication: CIM Bulletin
Auteur(s): Trevor McGiddy
Mots clés: Coal industry, Australian coal industry.
Numéro: 963
Volume: 85
Année: 1992
Texte
Sommaire: A scientific testing program, sponsored by the Mining Industry Research Organization of Canada (MIROC), was undertaken on the surface and underground facilities of Inco's Crean Hill Mine to investigate the effectiveness of using dry drilling with a dust control system.
The surface test work consisted of the monitoring of advance rates and bit life while a series of 165 mm holes, wet and dry, were drilled at both mine air (0.69 MPa) and high pressure air (1.72 MPa). The results, based on...
Publication: CIM Bulletin
Auteur(s): E.M. De Souza
Mots clés: Dry drilling, Drilling, Underground mining, Dust control.
Numéro: 963
Volume: 85
Année: 1992
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