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  • CIM
    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

  • CIM
    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

  • CIM
    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

  • CIM
    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

  • CIM
    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

  • CIM
    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

  • CIM
    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

  • CIM
    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

  • CIM
    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

  • CIM
    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

  • CIM
    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

  • CIM
    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

  • CIM
    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

  • CIM
    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

  • CIM
    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

  • CIM
    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

  • CIM
    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

  • CIM
    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

  • CIM
    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

  • CIM
    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