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Continuous Vat Bio-Oxidation of a Refractory Arsenical Sulphide ConcentrateBy P. Brad Marchant
"To properly evaluate bioleaching as a commercial alternative for sulphide concentrate oxidation, to enhance cyanidation response, it was necessary to define and optimize critical operating variables
Jan 1, 1985
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A Feasibility Study on the Use of Desulphurized Tailings to Control Acid Mine DrainageBy Mostafa Benzaazoua, Bruno Bussière, Philippe Poirier, Denis Bois
"Environmental desulphurisation is an attractive alternative for the management of acid generating tailings. Non selective froth flotation is the most commonly used method to produce desulphurized tai
Jan 1, 2004
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Supporting Robust Strategic Underground Mine Decision-MakingBy Tarrant Elkington
Underground mine planning practices are typically manual and time consuming and will often produce sub-optimal solutions due to the application of generic rule-of-thumb assumptions or ?tried and teste
May 1, 2010
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Effect of Operating Variables in Knelson Concentrators: A Pilot-Scale StudyBy Sunil Koppalkar, A. R. Laplante
"A Pilot Plant was installed in one of the grinding circuits of the Dome Mill, Ontario, Canada. Tests were conducted on a KCCD12 Knelson Concentrator to systematically analyze the effect of operating
Jan 1, 2007
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The Justification of Process Control Systems in Mineral and Coal Processing ApplicationsBy R. F. Hochstein, A. J. Neale, B. C. Flintoff
"Process control technology holds very significant potential benefits for many mineral and coal processing plants. The impact can be expected in terms of performance improvements (e.g. increased throu
Jan 1, 1990
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Factors Influencing the Expert System ProfitabilityBy Andy Fortin, André Vien, Christophe Bouché, Jeff McKay
"The technology and equipment design of the Twenty-first Century permit us to exploit low-grade ore bodies with milled tonnages reaching 300,000 tpd. Because of their substantial operational costs (en
Jan 1, 2003
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Application of Mass Blast Principle for Stope Blasting in Deep Mines?? Intro ?? Mass blast principle ?? LaRonde evolution toward mass blast ?? Overview ?? Mining method ?? Longitudinal ?? LaRonde evolution (2002 to today) ?? Drill and blast design ?? Consumpti
Feb 1, 2008
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Institutional Assessment: Emerging Practice in Sustainable Community InvestmentBy Roxanne Scott
Outline ? Overview of Community Investment in the Mining Sector ? Emerging Good Practice: ?Strategic Integrated Community Investment? ? Assessing Local Context: ? Institutional Assessment ? Partn
May 1, 2010
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Role of dispersants in the production of fine particle size calcium carbonate and kaolin slurries (e12f2493-980b-4bb7-a3ca-e2b0966be8ac)By J. S. Phipps, D. R. Skuse
"Aqueous slurries of fine particle size calcium carbonate are used in a diverse range of end-use products. In many cases, the end use performance is governed by the fineness of the particle size distr
Jan 1, 2003
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Geology of Metal Mines Ltd. (Bancroft Division)By A R. Bullis
Metal Mines Limited (Bancroft Division) was incorporated m 1964 to take over the assets of Faraday Uranium Mines Ltd., including their uranium deposit near Bancroft. Ontario. This paper outlines the g
Jan 1, 1965
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Considerations Regarding the Development of an Economic Mathematical Model for Optimizing the Technological Variants in the Coal Mine FacesBy Dolea Gabriel Gheorghe
In the present paperwork is proposed an economical-mathematical model (fuzzy) that aims optimize the technological variants of the mechanized coal face. By fuzzification, the issues to solve become mo
Oct 1, 2009
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Regional Issues Working GroupBy Bill Almdal
Today?s presentation ? Role of the Regional Issues Working Group ? What does RIWG do? ? How can RIWG?s work benefit Stakeholders? ? Review of forecasts vs. reality ? How have past investment comp
May 1, 2002
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Dynamic Testing of Friction Rock StabilisersA rough simulated borehole has been developed for the installation and dynamic testing of rock bolts a the WASM Dynamic Test Facility. The rough simulated borehole is used for rock bolts that are sens
May 1, 2009
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Expert System Technology at the Polaris MineBy G. A. Kosick, C. A. Harris
"Metallurgy at the Polaris Mine is approaching an impasse, with lead and zinc concentrate grades and recoveries approaching their theoretical maximums. In an effort to increase productivity, plant thr
Jan 1, 1988
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Development of an Iron Ore Concentrate Fines Recovery Process from Copper TailingsBy Lutz Markworth, Fernando Parra, Wolfram Jaspers
"The worldwide demand of iron ore and the depletion of the high-purity deposits make it necessary to recover ores in increasingly fine size fractions or low Fe content in the feed material. Impurities
Jan 1, 2008
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An Evaluation of the Rietveld Method for Modal Analysis at CANMETBy John Wilson
"The Rietveld numerical method was used to calculate the relative abundances of phases in both synthetic binary mixtures and synthetic and natural ores, using X-ray diffraction data. The results were
Jan 1, 2003
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Electromagnetic Wire-Rope Testing --- Disparate LMA Results, an Ongoing ProblemBy Marcel M. Djivre
Electromagnetic wire rope testing is the only practical non-destructive method to evaluate the current condition of wire ropes in general, and in the mining industry in particular. The method has been
May 1, 2004
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Pilot Plant Development Studies on Mount Laurier, Canada, Graphite DepositBy V. Lakshmanan, Dan Mackie, J. Melnbardis
"Crystalline Flake Graphite is a strategic mineral. Since 1954 nearly all North American consumption has been imported from offshore. The Bouthillier Project in Quebec, Canada, is Orrwell Energy's bid
Jan 1, 1984
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Flotation as Part of Grinding Classification CircuitsBy M. Tarvainen, J. Kallioinen
"Depressed metal prices coupled with increasing production costs have presented a great challenge for operators to control and reduce the costs of production to maintain profitability. Depleting ore r
Jan 1, 1984
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Maximizing Ore Extraction at Brunswick MineBy Barara Rose
Presentation Outline ?Introduction of BMS ?Resource Integration Process ?Methodologies ?Tools ?Case Studies ?Zone 01 : 725 SOZ ?Zone 16/17 : 1000 NRP ?Conclusions
Oct 1, 2010