The David Bell Mine water quality management strategy

Abstract 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 water usage. Concentrator and effluent treatment plant operating practices, process chemistry and the results of the water quality management strategy are reviewed.
Keywords: Water quality, Effluent treatment.
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Publication: CIM Bulletin
Author(s): Lynne Bowen
Issue: 963
Volume: 85
Year: 1992
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Publication: CIM Bulletin
Author(s): Andrew Cormier
Issue: 963
Volume: 85
Year: 1992
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Summary: This paper is a brief overview of the role of oxygen in cyanide leaching of gold feeds (e.g. ore, concentrate). As the majority of gold occurs in the elemental state (Au°), its oxidation is of vital importance for dissolution in the cyanide lixiviant. The cyanida-tion at high pH is favourable for the oxidation of Au° with a mild oxidant such as air or oxygen. Beside oxidation of gold, deleterious effects of soluble sulphides, arsenates, antimonates on cyanidation of gold can be...
Publication: CIM Bulletin
Author(s): K.E. Haque
Keywords: Gold, Cyanide leaching, Chemistry of cyanidation, Oxidation, Preaeration, Active oxygen.
Issue: 963
Volume: 85
Year: 1992
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Summary: 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
Author(s): Trevor McGiddy
Keywords: Coal industry, Australian coal industry.
Issue: 963
Volume: 85
Year: 1992
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Summary: 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
Author(s): E.M. De Souza
Keywords: Dry drilling, Drilling, Underground mining, Dust control.
Issue: 963
Volume: 85
Year: 1992
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