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Computerized cost estimating for underground mines
By J. B. Scott
"A computerized cost estimating program developed with the use of the Lotus 1-2-3 spreadsheet program has produced dramatic savings in preparing estimates for operating costs, equipment fleet size and
Jan 1, 1988
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Elaborate Observation and Interpretation of Temperature Dependence on the Singularity of Rock Thermal Conductivity
"The effective thermal conductivity (ETC) is one of the most important thermo-physical properties of porous media. Due to the lack of higher precision influence of temperature on thermal conductivity,
Jan 1, 2015
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The Treatment of Roaster - Off Gases at Campbell Red Lake Mines Limited
By J. S. Roberts
"Campbell mines has been in operation since 1948. Part of the process consists of roasting of a flotation concentrate which contains arsenopyrite.At present operation level the milling rate averages a
Jan 1, 1976
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A review of the first 25 years of mobile machine automation in underground hard rock mines
By Malcolm Scoble, Nick Vagenas, Greg Baiden
Recent advances in underground communications technology have demonstrated the feasibility of teleoperation and automation in underground metal mines. One major challenge lies in the automation of und
Jan 1, 1997
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High Self-Heating Rate of a Pyrrhotite-Rich Material: H2S as a Fuel?
By James A. Finch, Stéphanie Somot
"The self-heating facility developed at the Noranda Technology Centre [Rosenblum and coworkers, 2001; 1995] has now been established in the Department of Mining, Metals and Materials Engineering at Mc
Jan 1, 2006
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Innovative Digital Instrumentation for Geotechnical Monitoring Systems
By A. J. Hyett
Due to the ongoing revolution in electronics and communications more cost-effective geotechnical instruments can be manufactured using digital technology. This new generation of digital instruments ha
Oct 1, 2004
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A Simulation Model For Underground Roadway Development Processes
By Ernest Baafi
A simulation model RoadSIM using the ARENA modelling system has been developed to evaluate roadway development options for a given development panel configuration. The RoadSIM simulation system has pr
Oct 1, 2009
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An Evaluation of the Rietveld Method for Modal Analysis at CANMET
By 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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Low-Grade Geothermal Potential of the Regina - Moose Jaw Area, Saskatchewan
By L. W. Vigrass
Porous and permeable rocks deeply buried in sedimentary basins contain immense volumes of hot water with the potential to supply low-grade heat energy. A part of Canada with sizeable potential for low
Jan 1, 1979
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Flotation and Hydrometallurgy Research on Brunswick Tin Mine Ores
By E. W. J. Thornton
During the past six or seven years extensive research has been performed on ore samples procured at the Bruns1,vick Tin Mines which is located in the south-west corner of New Brunswi.ck. This property
Jan 1, 1977
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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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Growth through Continuous Improvement - Heap Leach Processing and Gravity Expansion at Fort Knox Gold Mine
By James L. Oleson, Hunter R. Propsom, Kevan J. R. Ford, Robert D. Henderson, Bob Musgrove
"Kinross’ Fort Knox Gold mine, near Fairbanks, Alaska has successfully implemented two major metallurgical continuous improvement projects resulting in growth of gold production and an extension of mi
Jan 1, 2011
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CIP - Who Needs It? A combination circuit of Gravity, Flotation and Intensive Leach may provide the Optimal Environmental and Cost Outcome for Gold Plants.
By Garry Johansen, Andrew McCallum, Sandy Gray, Gary Patrick, Jennifer Abols
"The authors challenge the traditional thinking that whole ore cyanidation followed by Carbon in Pulp (CIP) or Carbon in Leach (CIL) should be applied as a standard process in the majority of gold pro
Jan 1, 2003
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Optimization of the Grinding Circuit of the Tata Steel Ijmuiden Pelletizing Plant
By Willemijn Husslage
Tata Steel Group At a glance ? Part of the Tata Group ?Tata Steel Group: ?Fortune 500 company ?Top 10 global steel producer ?Annual crude steel capacity of 28 million tonnes ?More than 80,000
May 1, 2011
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Visualization of Fine Bubbles and Their Role in Fine Particle Flotation
By Wei Sun, Jaewon Choung, Zhenghe Xu, Zhangming Cui
"High intensity conditioning has been demonstrated in a number of cases to enhance fine particle flotation. The improvement could be attributed to the enhanced formation of particle aggregates. Howeve
Jan 1, 2006
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Leaching Concentrates without Leaching Iron
By M. Maccagni, J. Nielsen
"Engitec developed the EZINEX® Technology some years ago to recover zinc from oxidized secondary sources. This process works at neutral pH and can take into solution any kind of metal, but iron is re
Jan 1, 2016
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Development of AERO® MX3048 Promoter for MMG Sepon Concentrator, South Central Laos
By Tony Moore, Peter Riccio
"MMG (Minerals and Metals Group) operates the LXML Sepon’s mineral processing facility located 40 kilometers north of the town of Sepon, in the Savannakhet Province, Lao PDR. The Sepon copper plant pr
Jan 1, 2011
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Antamina Productivity Increase through Improvements Implemented in the Primary Crushing
By Carlos León, David Estrella, Javier Linares
"Recently, Antamina has completed an expansion program of its operations which increased the thoughput in grinding from acapacity of 109 to 130 ktpd. After commissioning, throughput could be exceeded
Jan 1, 2013
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On the Use of Large OK-16 Flotation Machines at the Concentrators of Outokumpu Oy
By Tapio Leskinen
"In the 1960’s, when large flotation machines appeared on the market, this was a part of a world-wide trend towards the use of ever larger machine units.One factor that has played a decisive part in t
Jan 1, 1976
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Behavior of Iron at the Ambatovy Nickel Operation in Madagascar
By B. Haugrud, E. McConaghy, M. Collins, G. Smith
"Laterite ore processed by the Ambatovy Joint Venture in Madagascar is primarily limonitic in nature, containing about 40 to 45 wt.% Fe and 1.1 wt.% Ni. The process selected for treatment of this ore
Jan 1, 2016