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The ACACIA Reactor Improving Gravity Recovery!
By Ish Grewal
The ACACIA Reactor - Introduction What is it? The Acacia Reactor is a fluidized bed high intensity cyanide leaching system. Purpose for its existence? The Acacia Reactor was developed to treat hig
May 1, 2002
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Rehabilitation of Tailings Areas of Uranium Mines
By A. J. Vivyurka
"This is a talk about the experiences that Rio Algom Mines Ltd. has had in the Elliot Lake uranium area trying to make the tailings more compatible with the surrounding environment. To get a better id
Jan 1, 1975
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Treatment of Non-Magnetics at Falconbridge
By C. H. Dionne, J. A. Holmes, B. J. Huls
"Falconbridge Limited is presently developing flowsheet alternatives for implementation at the Strathcona Mill. The main thrust for change arises from the need to reject more pyrrhotite from the conce
Jan 1, 1991
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Preparing a Long-Lasting Environmental Impact Statement
By Glen A. White
The level of impact and mitigating measures that are forecast in an environmental assessment (EA) for a new, or significantly modified, metallurgical processing facility or mine are taking on increasi
May 1, 2004
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Selection of optimum ferronickel grade for smelting nickel laterites
By B. Wasmund, M. Y. Solar, I. Candy
The nickel laterite industry is divided into two camps when it comes to the grade of the ferronickels produced. One group, led by Falcondo and Cerro Matoso, markets high-grade ferronickels in the rang
Jan 1, 2008
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Iron Sulfide Minerals in Thiosulfate-Gold Leaching: Some Problems and Solutions
The negative effects of pyrite and pyrrhotite on thiosulfate gold leaching have been investigated. Possible remedies to reduce some problems are discussed. In a gold bearing pure silicate ore, 92% of
Jan 1, 2005
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Case Studies with the Falcon Concentrator
By G. Naud, J. Robitaille, M. Buonvino, A. Veltmeyer, A. R. Laplante
"A B6 Falcon concentrator was tested on several systems: a synthetic magnetite-silica ore, a massive sulphide gold-copper ore, a fine gold-pyrite-silica flotation tail, and a high grade gold ore in a
Jan 1, 1993
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Predicting the penetration rate of percussive blasthole drills using coarseness index and median particle size
By S. Kahraman, K. Develi, E. Yasar
Four hydraulic top hammers, one pneumatic top hammer, and three down-the-hole drills were observed in several rock types at quarries and highway construction sites to measure the performance data. At
Jan 1, 2004
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Separation of Metals in Aqueous Solutions by Ion Exchange
By A. Himsley
"There is an ever-increasing demand these days for efficient methods of removing metals from solutions especially for selectively recovering a particular metal from a mixture of metals in solution.Up
Jan 1, 1975
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Stereolithography—a rapid prototyping technique for orebody modelling and mine design
By A. Akerman, C. P. O’Connor, N. Vayenas
"Stereolithography is a well-known rapid prototyping technique in the manufacturing sector. Essentially, it is a three-dimensional printing process that produces plastic prototype parts from standard
Jan 1, 2006
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Transforming the Effectiveness of the HPGR Circuit at Anglo Platinum Mogalakwena
The Anglo Platinum Mogalakwena North concentrator was one of the first three hard rock mineral processing applications to utilise a HPGR circuit in preference to a SAG milling circuit. This was driven
Jan 1, 2012
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Elimination of the Pre-Aeration and Primary Filtration Circuits From the Dome Mill Flowsheet
"Placer Dome Inc.'s Dome Mine is located in South Porcupine, Ontario and has been in production since 1910. In the past, the mill leach circuit was preceded by preaeration and primary filtration circu
Jan 1, 1992
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An Evaluation of Flotation Reagents at the Majdanpek Copper Mine
By P. V. Avotins, I. Djurkovic, D. R. Nagaraj, M. Grunjic, A. Day
"As part of a major reconstruction and expansion of the Majdanpek Copper Mine, an investigation and optimization of the flotation collector regime was undertaken. The flotation response of the major m
Jan 1, 1992
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POWERPLAY - Realizing Savings Through Energy Management
By Andy Lemay
Vale (previously known as CVRD) is: ? The second-largest mining company by market capitalization (NYSE:RIO) ? Headquartered in Brazil ? Global workforce of over 100,000 employees including outsourc
May 1, 2008
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Recovery of Uranium and the Lanthanides from Phosphate Rock
By Fathi Habashi
"A process is proposed for the treatment of phosphate rock for the recovery of uranium and the lanthanides. The process assures the production of phosphatic fertilizers without polluting the environme
Jan 1, 1997
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Successfully Patenting New Materials and Processes
By E. W. Vekris
Patents are playing an increasingly important role in the business world. A diverse patent portfolio can enable a company to secure a monopoly within the market, which can provide a competitive advant
Jan 1, 2011
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Pipe Ore Processing Developments in the Thompson Mill
By P. G. Claridge, R. A. Tenbergen
"Pipe Open Pit ore is delivered by rail to the Thompson Mill at a rate of 34,000 tons per week. Ore is milled at a rate of 220 tons per hour.Characteristics of the serpentinised peridotite host rock a
Jan 1, 1975
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The safety imperative—transforming the workplace to protect people (06bb12c8-6d2f-4f7c-beb1-5bcbdcf9392b)
By G. Winkel
"Safety conditions in industry have greatly improved over time. However, around the world, in Canada, and in each province or territory, people are still the victims of serious industrial accidents. T
Jan 1, 2004
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International mineral resource and mineral reserve classification and reporting systems
By S. Felderhof, W. S. Vaughan
"Over the years, it has been increasingly difficult for the minerals industry to raise the necessary capital for its activities. To alleviate this phenomenon, complete transparency and capital market
Jan 1, 2005
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Admixtures and other Factors Influencing Durability of Sprayed Concrete (Shotcrete)
By Knut F. Garshol
Quality and durability of sprayed concrete depends on the concrete mix design, the type and use of accelerator and all the aspects of the placement onto the rock surface in the underground working. A
May 1, 2003