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Overview of overburden removal at Syncrude Canada Ltd.
By Y. P. Malhotra, JE. C. Carter
"Syncrude's overburden removal requirement ranges from 20 million to 30 million bank cubic metres per year to meet tarsand demands for the production of 129,000 barrels of synthetic crude oil per
Jan 1, 1983
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Application of Box-Behnken Design to Modelling of Iron Bearing-Gangue Recovery in Hydroxamate Flotation of Pyrochlore
By B. Yu, S. Kelebek, C. Gibson, M. Aghamirian
There are a number of high grade niobium deposits worldwide which have been deemed untreatable by flotation due to the very fine grained nature of the in situ pyrochlore, the primary niobium bearing m
Jan 1, 2015
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An Evaluation of Organic Additives for Preg-Robbing Mitigation
By D. Warkentin, M. Tomlinson, A. Nacu
"This study focuses on comparing the “blinding” effectiveness of various organic additives as part of a general review of using organic additives to mitigate preg-robbing and improve gold recovery dur
Jan 1, 2019
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Post-Early Cretaceous Mississippi Valley-type Zn-Pb Mineralization in the Bongara Area, Northern Peru: Fluid Evolution and Paleo Flow from Fluid Inclusion Evidence
By N. I. Basuki, E. T. C. Spooner
"The Bongara area, northern Peru, contains Zn-Pb mineralization with characteristics typical of Mississippi Valley-type (MVT) systems. The northwest-southeast-trending late Triassic-Jurassic car¬bonat
Jan 1, 2009
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Assessing the Total Cost of Representativity in Flotation Plants
By D. Brand
"The risk management objective of the AMIRA Code of Practice for Metal Accounting has seldom been systematically investigated in the literature up to the authors’ knowledge. Risk is defined in the Aus
Jan 1, 2017
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Study of Oxygen Flash Smelting of Nickel/Copper Concentrates
By Jin Liu, Torstein A. Utigard
At its Copper Cliff Smelter, Vale Inco Limited processes a bulk copper-nickel concentrate in two Inco oxygen flash furnaces. Coke supplies a minor proportion of the process heat requirements, limitin
Jan 1, 2015
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Application of Cave-Scale Rock Degradation Models in the Imaging of the Seismogenic Zone
By J. R. Andrews, R. P. Young, J. M. Reyes-Montes
"Microseismic monitoring provides insight into the location and extent of rock-mass fracturing induced by cave mining, enabling interpretation of the cave profile and validation of predictive numerica
Jan 1, 2016
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Coarse Lead Flotation Practice at Polaris
By R. Simkus, J. K. Gowans
Polaris Operations, a Cominco Ltd. lead-zinc mine, is located on Little Cornwallis Island, Northwest Territories, at Latitude 75°23' N and Longitude 96°75' w. When the Polaris Mine went into operation
Jan 1, 1984
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A Pilot-Scale Treatment of coal Preparation Plant Effluent by the Selective Agglomeration Process
The construction, commissioning and operation of a continuous pilot-scale selective agglomeration (oil agglomeration) unit are described. This plant has been used to recover fine coal from an effluent
Jan 1, 1979
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Evolution of Process Control in Fifty Years of Oxygen Steelmaking: The IJmuiden Experience
By R. Boom
Corus Umuiden, formerly Hoogovens, was the first steel plant in Europe after Voest to introduce oxygen steelmaking. In the decision-making process contacts with Dofasco in Canada about the production
Jan 1, 2004
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Evaluation and Control of Self-Heating in Sulphide Concentrates (2a4e2f85-66d7-4fa2-be4e-37d3482156e2)
By J. Nesset, F. Rosenblum, P. Spira
"Sulphide concentrates may exhibit self-heating to various degrees during storage or shipping, the worst cases presenting a serious hazard from fire and SO2 emission. Based on measurements of heating
Jan 1, 2001
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Understanding the Relationship: Bitumen Production and the Athabasca River
Overview ?Oil Sands Background ?Water Use in Surface Mining ?Tailings Disposal ?Water Balance for Surface Mining ?Implications of Emerging Regulations ?Water Management Framework ?Tailings P
May 1, 2009
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Sulfurization of Mercury from Gold Production Using a Planetary Ball Mill
By S. Nakamura, M. Takaoka, Y. Mizuno, T. Kusakabe
"Mercury is produced as a byproduct from gold mines and, historically, has been transferred to recyclers and used for various industrial processes and products. However, under the Minamata Convention
Jan 1, 2017
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An investigation on minimizing reagent consumption in ammonium thiosulphate gold leaching
By Chen Xia, G. Deschenes, Wan-Tai Yen
"Ammonium thiosulphate is a potential replacement for the cyanide in gold leaching. However, the high reagent consumption hinders its practical applications. In order to reduce the thiosulphate consum
Jan 1, 2002
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The Effect of Choke Feeding a Gyratory Crusher on Throughput and Product Size
By Dave Rose, Jacques McMullen
"The Detour Lake mine is located 200 km northeast of Timmins, Ontario, Canada.The mill processes a free milling gold ore using both a gravity circuit and leaching with a state-of-the-art carbon-in-pul
Jan 1, 2017
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Selection of a Process Flowsheet to Treat Old Copper-Containing Tailings with the use of Process Mineralogy
By S. V. Ulianov, A. Y. Senchenko, E. M. Kurchevskaya
"A process sample of old copper-containing tailings (-2.0+0 mm) from an iron-ore plant was tested in TOMS institute in order to develop a process for copper concentrate production. The study of tailin
Jan 1, 2016
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Assessing the Performance and Efficiency of Fine Grinding Technologies
By Jan E. Nesset, Colin Hardie, Peter Radziszewski, Donald P. Leroux
"The successful introduction of new high intensity stirred milling technologies (e.g. IsaMill, SMDetritor) to the mining industry in recent years prompted Noranda-Falconbridge to initiate a study comp
Jan 1, 2006
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Reverse Osmosis Desalination Plant at the Bougrine Zinc-Lead Mine, Tunisia
By Ammar Henchiri, Godfrey McDonald
"Breakwater Tunisia S.A.’s Bougrine mine is located in a semi-arid region of Tunisia characterized with Triassic salt domes. Due to extensive agricultural land-use in the mine area, a zero-discharge t
Jan 1, 2003
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Recovery of Gold and Associated Metals from Refractory Ores and Concentrates via a Chloride-Based Processing Route
By G. B. Harris, C. W. White
Cyanide has been used for the recovery of gold since the mid 1800s, but several jurisdictions have already banned its use, and environmental pressures are increasing to finding an alternative. Gold al
Jan 1, 2011
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Élaboration d’un modèle de prédiction des contraintes in-situ dans la région de la faille de Cadillac
By M. H. Leite, R. Corthésy, D. E. Gill
"La connaissance des contraintes naturelles qui prévalent dans les massifs rocheux est un prérequis indispensable pour la conception sécuritaire et économique des excavations comme on en retrouve dans
Jan 1, 1998