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Noranda Minerals Inc. - Geco Division Mill Pressure Filter Project Selection, Installation and Start-Up
By M. G. Dellow, D. W. Hendriks
"In early 1988 the decision was made by Noranda Minerals Inc. to install pressure filters at the GECO mill to replace the vacuum disk filters and bunker-C fired rotary kiln dryers. Two filters were in
Jan 1, 1990
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Application of expert systems for peak power management
By Y. L. Su, S. Vongpaisal, H. A. Smith
"It is extremely difficult for a mine's central control room operator to control peakpower demands and to maintain normal materials handling operations at the same time. An investigation of the F
Jan 1, 1993
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Geology and Chemistry of the Low Ti Magnetite-bearing Heff Cu-Au Skarn and its Associated Plutonic Rocks, Heffley Lake, South-Central British Columbia
By I. C. L. Webster, G. E. Ray
"The magnetite-rich Heff Cu-Au skarn lies in the Quesnel Terrane of south-central British Columbia, approximately 26 km northeast of Kamloops. The skarn formed close to the northern margin of the Heff
Jan 1, 2007
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Biological Leaching of Mill Products
By C. C. Walden, D. W. Duncan, P. C. Trussell
Thiobacillus ferrooxidans released copper from -400-mesh chalcopyrite at a rate of 54 mg/I/hr. Any flotation chemicals remaining on the concentrate did not inhibit the leach rate. Zinc rougher tailing
Jan 1, 1966
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Dense Medium Separation – An Effective and Robust Pre-Concentration Technology
By Erin Legault Seguin, Mike Rylatt, Curtis Mohns
"With energy costs increasing and ore grades diminishing, the role of pre-concentration in hard rock mining operations has been gaining greater interest. To maximize energy conservation, the pre-conce
Jan 1, 2016
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Geology as a Risk Factor in Project Evaluation: Its Impact on Reserve Estimation
By Chris M. Healey
"Abstract - Perhaps the single most significant variable in the evaluation of a mining project is the reserve estimate. Many parameters are considered when estimating reserves, among them geology. Thi
Jan 1, 1992
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Ventilation System Design for the Wassa Underground Mine
By B. S. Prosser, K. G. Wallace, A. Akansobe
"This paper describes a ventilation project at the Wassa gold mine in Ghana. Golden Star (Wassa) (GSWL), a subsidiary of Golden Star Resources, owns and operates the mine. Golden Star holds a 90% inte
Jan 1, 2019
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Stratigraphy and structural analysis of the North Gold Zone at Montauban-les-mines, Quebec
By Jean-Marc Simard, Vincent Jourdain, Denis W. Roy
"Seven lithologic units, informally characterized, were recognized in the vicinity of the Montauban orebody. The first five lie in stratigraphic order. From structural bottom to structural top these a
Jan 1, 1987
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Stabilisation et Solidification de Résidus Miniers Sulfo-Arséniés Dans des Remblais Cimentés en Pâte
By Mostafa Benzaazoua
Les remblais en pâte cimentés sont de plus en plus utilisés dans les exploitations minières souterraines. Une autre alternative d?utilisation du remblai en pâte consiste à le pomper et à le stocker da
Nov 1, 2002
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Cyanidation in Grinding Circuit: Evaluation of Leaching Parameters in Grinding and Cyanidation Addition Strategy
By J. Châteauneuf, R. Dupéré, D. Mrabet
"In gold processing plants, it is common to start gold cyanidation in the grinding circuit by simple cyanide addition or as a result of recycling residual cyanide. In such cases, advantages such as a
Jan 1, 2016
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Geomechanical feature extraction and analysis using LiDAR data: Iron Ore Company of Canada mine
By D. J. Hutchinson, M. Lato, M. Diederichs
Light Detection and Ranging (LiDAR)-based applications for geomechanical purposes have recently proven to be a highly reliable and accurate form of remote analysis and documentation. The ability to re
Jan 1, 2009
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Leaching Kinetics of Iron in Atmospheric Direct Leaching of Marmatite
By H. Zhu, Q. Jiang
The leaching kinetics of iron during the atmospheric direct leaching (ADL) of marmatite concentrate was studied under the following conditions: reaction temperature of 343-383 K, slurry pressure of 0.
Jan 1, 2014
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Improving Flotation Plant Performance at Cadia by Controlling and Optimizing the Rate of Froth Recovery using Outokumpu Froth master™
By Peter Bourke, Marc van Olst, Seppo Ronkainen, Natalie Brown
"Since the early days of flotation, process technicians have known that the speed at which the froth is recovered over the lip of the cell has a very direct and consistent influence on the grade and r
Jan 1, 2001
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A Career Brand for the Industry
Strategic Branding ? In 2006 Explore for More was created ? By industry, for industry ? Cohesive approach to career attraction ? Defines industry and employers of choice Career Kits ? Positive i
May 1, 2009
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Microseismic Imaging and Hydrofracture Numerical Simulations
By Will S. Pettitt
Fracture Network Engineering (FNE) is the engineering design of rock mass disturbance through the use of advanced techniques to model fractured rock masses numerically, and then correlate field observ
Jun 1, 2012
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Pilot Plant Pressure Oxidation of a Refractory Gold-Silver Concentrate
By D. Yuan, L. Yan, M. J. Collins, P. Kalanchey, I. M. Masters
ABSTRACT Pressure oxidation tests have been conducted by Sherritt for a refractory gold-silver project in China. The feed contained 39 g/t Au and 970 g/t Ag; the major gold-bearing minerals were pyrit
Jan 1, 2013
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Leaching Of Copper Flash Furnace Dusts with Weak Acid Bleed and Arsenic Precipitation as Scorodite and Arsenical Jarosite
By A. Roca, G. Ríos, I. Ruíz, M. Cruells
Flash Smelting Furnace (FSF) hot dust-laden is cooled in a waste heat boiler (WHB) and then dedusted in electrostatic precipitators (ESP’s) before being treated, together with the Peirce Smith Convert
Jan 1, 2019
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Applications for Magnetic Mill Linings at the Horne Concentrator of Noranda Mines Limited
By P. W. Godbehere
"INTRODUCTIONMagnetic mill linings have been developed from an invention by Mr. Bertil Brandt, the originator of the Skega rubber lining. The OREBED magnetic mill lining is a concept in which rubber c
Jan 1, 1983
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Sidbec-Normines Inc. et la Production de Boulettes à basse Teneur en Silice et de Boulettes a Hauts Fourneaux à Port-Cartier
By Réjean Lévesque
SIDBEC-NORMINES a été incorporée en 1976. Depuis la fin de 1977, ses activités comprennent outre la concentration au lac Jeannine, près de Gagnon, du minerai de fer extrait du gisement du lac Fire, I&
Jan 1, 1979
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New Structure of Shafts Constructed in Rock Mass with Significantly Strong Rheological Properties
By P. Czaja
The paper presents a patented and copyright protected concept of constructing a shaft lining that goes through rock masses having strong rheological properties and being susceptible to leaching. In th
Aug 1, 2013