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  • CIM
    Retention of Small Grinding Media inside Ball Mills

    By Jocelyn Bouchard, Claude Bazin, Sami Makni, Rolando Quispe

    "Finely disseminated minerals in ores require intensive size reduction to achieve sufficient liberation for the subsequent concentration process. The use of small grinding media in conventional ball m

    Jan 1, 2015

  • AUSIMM
    Some Notes on the Geology of Stannary Hills, North Queensland

    THE following notes were accumulated during the years 1905 to 1911, when the writer was employed at Stannary Hills. The writer's duty took him over the underground workings daily. In odd moments

    Jan 1, 1918

  • SME
    Effects Of Joint Persistence On Jointed Rock Masses

    By W. G. Pariseau

    Equivalent elastic properties of discontinuously jointed rock masses are computed using a non-representative volume element(NRVE) approach within a three dimensional finite element program. Joint pers

    Jan 1, 2003

  • SAIMM
    Thermodynamics Applied To Ferro-Alloys Smelting

    By F. Bonnet, J. Lehmann, H. Gaye

    A review of thermodynamic information and models of slags, including associated software when available, is presented. The pertinence and accuracy of these models is discussed by comparison of their p

    Jan 1, 2004

  • CIM
    Red Lake Gold Mine Autoclave Optimization Project

    By K. K. Murray, D. G. Gelderland

    "The pressure oxidation autoclave at the Goldcorp’s Red Lake Gold Mines (RLGM) was commissioned in 1991. Since commissioning, the circuit has been well maintained and its capacity increased to mechani

    Jan 1, 2017

  • CIM
    Grinding Circuit Improvements at Barrick Goldstrike’s Roaster Facility

    By Jim Wickens, Andy Cole, John Pekrul

    "The roaster facility at Barrick Goldstrike Mine treats double-refractory sulfidic/carbonaceous gold ore. Prior to oxidation in the roasters, the ore is ground in two parallel dry grinding circuits ut

    Jan 1, 2003

  • SME
    Gotthard-Base Tunnel, Section Faido Previous Experience With The Use Of The TBM

    By Martin Herrenknecht

    After the successful breakthrough at the end of 2006 of both TBMs into the multifunctional site Faido (MFS), in the middle of 2007 the two tunnel boring machines resumed the 12 km long section between

  • SME
    The Price Is Right?Planning Large Water Tunnel Contracts In New York

    By Christian Maguire

    Tunnel contracts in New York have in recent years had few bidders with the bids received being much higher than anticipated. Since 9/11, security has become a key issue in planning key infrastructure

  • CIM
    An Overview of Optimizing Strategies for Flotation Banks

    By M. Maldonado, J. A. Finch

    "A flotation bank consists of a serial arrangement of cells. How to optimally operate a bank remains a challenge. This article reviews three strategies for optimizing bank performance: air profiling,

    Jan 1, 2012

  • SAIMM
    A New Process For The Thermal Refining Of Zinc: A Case Study Of Technology Development At Mintek

    By A. McKenzie

    During the late 1990s Anglo American PLC was evaluating the Gamsberg zinc deposit in the Northern Cape Province. As the primary South African metallurgical technology provider, Mintek became involved

    Jan 1, 2004

  • SAIMM
    New Opportunities - Exhaustive Monitored Copper Coolers For Submerged Arc Furnaces

    By M. Hopf, E. Rossouw

    Keywords: Pyrometallurgy, furnace, copper coolers, freeze lining, monitoring, Saveway The use of water-cooled copper components as sidewall elements of submerged arc furnaces and other pyrometallu

    Jan 1, 2006

  • ISEE
    The Experimental Study on Gas Detonating System by New-Type of Gas Source

    By Chen Jianping, Wu Li, Wei Banyun, Chen Canchang

    Liquified petroleum gas mixed with oxygen has been used as a new type of mixed gas source for gas detonating system. The experimental studies have been done on the detonation feature of gas detonating

    Jan 1, 1999

  • TMS
    Plutonium Pyrochemistry Spent Salts Treatment By Oxidation And Distillation

    By Christophe Thiébaut

    Keywords: Pyrochemistry, Salts Treatment, Distillation The pyrochemical purification of metal generates spent salts. When this metal is an actinide such as plutonium, the slags cannot be discarded

    Jan 1, 2005

  • NIOSH
    RI 2585 Mining Limestone For Lime Manufacture

    By Oliver Bowles

    "Underground operation.In its broader sense the term ""mining"" is applied to all processes whereby raw materials are taken from the earth to be used as sources of mineral products. In a more restrict

    Mar 1, 1924

  • ISEE
    Quarry Blasting Management in Urban and Suburban Environment

    By Alain Blanchier, Gilles Gomez

    Neighborhood pressure on quarries has become urgent to deal with quarry managers and operators must apply the most recent technologies and communicate it for long shelf life time exploitation, the qua

    Jan 1, 2009

  • NIOSH
    OFR-3-79 Study Of Noise Sources In A Cross Section Of Taconite Plants

    Four taconite plants were studied to establish the extent of hazard to plant personnel which exists based on long-term exposure to noise. The criteria for evaluation include the 90 dBA and 85 dBA summ

    Jan 1, 1977

  • SME
    Large Flotation Cells In The Copper Processing Industry ? Recent Experiences And Future Considerations (Part 1)

    By D. Govender

    In recent years, economies of scale have continued to drive copper projects to larger throughputs to offset depleting lower grade resources. A decade ago there were only a small number of projects tha

    Feb 27, 2013

  • CIM
    Economic Recovery and Upgrade of Metals from Middling and Tailing Streams (c573bdd5-90fc-4072-9ce3-2caa48051cb4)

    "As mine head grades decline and orebodies become more complex, traditional mineral processing techniques and flowsheets to achieve saleable concentrate become more difficult to design and construct.

    Jan 1, 2017

  • ISEE
    Quake, Quarry, or Quack

    By Dominic Orf, Gregory Poole

    On December 12, 2018 at 4:14 AM EST, an earthquake registering a 4.4 magnitude on the Richter Scale occurred in central Tennessee. According to a survey posted on the USGS website, this earthquake was

  • NIOSH
    RI 6767 Sampling And Coking Studies Of Coal From The Kukpowruk River Area, Arctic Northwestern Alaska

    By Robert S. Warfield

    Eight samples of high-volatile bituminous coal, each large enough for a study of its coking properties by the Bureau of Mines, were obtained from a location along the Kukpowruk River, Arctic Northwest

    Jan 1, 1966