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  • SME
    Improvement On Mathematical Model For Studying Coal's Propensity Of Spontaneous Combustion (dd449287-9a34-46ab-911e-758c3fb8cfd4)

    By Xinyang Wang

    It is believed that sulfur and volatile matter contents in coals are the main intrinsic properties to cause the self-heating of coal. Their oxidation at lower temperatures than that of fixed carbon to

    Jan 1, 2013

  • SME
    Modified Design of Pillar Based on Estimated Stresses and Strength of Pillar in an Underground Limestone Mine - Mining, Metallurgy & Exploration (2023)

    By Juan J. Monsalve, AMAN SONI, Nino Ripepi, Richard Bishop

    The design and strength of pillars are important parameters while implementing the room-and-pillar mining method in a limestone mine. The process becomes complex with the presence of the karst voids w

    Jan 30, 2023

  • SME
    Selective Removal of Mercury Using Zinc Sul?de

    By K. L. Gabby

    Selective removal of mercury from cyanide leaching solutions while retaining silver has been a long-standing problem, due to the chemical similarity of mercury and silver. In order to be practical, a

  • SME
    Rock Mechanics For Hard Rock Nuclear Waste Repositories - Rock Mechanics Issues In Underground Nuclear Waste Disposal

    By Francois E. Heuze

    The mined geologic burial of high-level nuclear waste is how the favored option for disposal. The underground repositories must keep the waste away from the biosphere for very long times - several tho

    Jan 1, 1981

  • SME
    Coal Creek Preparation Plant Mid-Continent Coal & Coke Company Carbondale, Colorado

    By John A. Reeves

    The Coal Creek Preparation Plant is the coal cleaning facility of Mid-Continent Coal and Coke Company. Located three miles west of Redstone, Colorado, and at an elevation of 8,040 feet the preparation

    Jan 1, 1967

  • SME
    Development Of The Selective Silver Circuit At White Pine - Introduction

    By Richard H. Johnson

    White Pine Copper Company, a subsidiary of Copper Range Company located in Michigan's Upper Peninsula, mines a Precambrian sedimentary deposit containing finely disseminated chalcocite, native co

    Jan 1, 1970

  • SME
    Fertilizer For Food Production

    By P. O. Ripley

    Into this tumultuous twentieth century, every second, two new babies are born. This is 5,412 per hour, and 130,000 per day. Relentlessly, consistently, alarmingly, they add to the more than three bill

    Jan 1, 1966

  • SME
    Computerized Determination Of Mine Planning Data From Borholes

    By Christopher Haycocks

    The growth of computer and ground control technology in recent years, combined with an urgent demand for low-cost fossil fuels and mineral resources, has set the stage for full-scale utilization of co

    Jan 1, 1973

  • SME
    Post-coal Transition In Germany And The Un Sustainability Goals - SME Annual Meeting 2022

    By J. Kretschmann, N. M. Smith, J. F. Brune, P. Goerke-Mallet

    Coal production and coal use for electric power generation are diminishing worldwide. Germany will phase out lignite mining as well as lignite and hard coal-powered electricity generation by 2038. In

    Mar 2, 2022

  • SME
    Jackleg Drill Usage and Accidents

    By C. Clark, J. Seymour, D. Benton

    "National Institute for Occupational Safety and Health NIOSH is conducting research on jackleg use and related accidents in underground metal mines. This paper provides an analysis and overview of jac

    Jan 1, 2016

  • SME
    Evaluation of devices to enhance miner self-escape in smoke-filled entries - SME Transactions 2011

    By C. J. Slaughter, S. P. Harteis, L. L. Chasko, D. W. Alexander

    The Department of Health and Human Services (HHS), National Institute for Occupational Safety and Health (NIOSH), Office of Mine Safety and Health Research (OMSHR), with the assistance of cooperating

    Jan 1, 2011

  • SME
    Calcium Carbonate Use As Filler Increases

    By M. Bleeck

    Calcium carbonate (CaCO3) is one of the most ubiquitous and versatile minerals found in the earth's crust. Its availability, attractive physical properties and relatively low processing cost ma

    Jan 1, 1998

  • SME
    Selective Elution Of Gold, Silver And Mercury Cyanide From Activated Carbon

    By K. Bunney

    A high-pressure laboratory elution rig was commissioned to simulate industrial Zadra and AARL elution conditions for the stripping of gold, silver and mercury from loaded activated carbon. It was fou

    Jan 1, 2010

  • SME
    Advances In Electrostatic Separation ? Introduction

    By F. S. Knoll

    Electrostatic separation is one of the most misunderstood physical processes used to beneficiate minerals. Nonetheless, millions of tons of titanium ores, iron ores and other minerals are processed ev

    Jan 1, 1984

  • SME
    Leaching And Electrochemical Behavior Of Gold In Iodide Solutions Part I: Dissolution Kinetics

    By J. B. Hiskey

    Of the halogens, the gold iodide complexes are the most stable in aqueous solutions. A series of experiments were performed to investigate the kinetics and mechanism of the leaching reaction between g

    Jan 1, 1990

  • SME
    Optimization Of Dispatching Criteria For Open-Pit Truck Haulage System Design Using Multiple Comparisons With The Best And Common Random Numbers (49716460-0398-4e41-bf3c-d300203bdff4)

    By B. Kolonja

    This paper considers simulation of truck dispatching system designs using maximum expected production of the truck-shovel system as the measure of performance. Two methods are utilized, multiple compa

    Jan 1, 1994

  • SME
    A Tunneled Solution for the Cemetery Brook Drain in Manchester, New Hampshire - NAT2022

    By Frederick McNeill, John Harper, Mahmood Khwaja, Shawn Lavoie, Timothy Cloughert, David Polcari

    City of Manchester, NH, is implementing a 20-year plan to control and significantly reduce overflow of its sewer system. The long-term control plan had called for large scale box culvert installation

    Dec 1, 2022

  • SME
    A Review of Belt and Bunker Capacity Design and Control for Underground Conveyor Systems

    By S. Daniel Thompson

    In underground coal mining, the specification and control of belt and bunker capacities are complicated by (1) stochastic and intermittent conveyor loading, (2) a limited ability to reduce surge at th

    Jan 1, 1996

  • SME
    Control Of Copper In Carbon Adsorption And Gold Recovery Circuits - American Girl Mining Experience

    By C. L. McKenzie

    American Girl Mine is located in the Cargo Muchacho Mountains in the southeastern Imperial Valley of Southern California. Production from the current open pit mine and heap leach recovery system began

    Jan 1, 1993

  • SME
    Niche Marketing Of Industrial Minerals: An Oklahoma Company's 22-Year History ? Introduction

    By Henry F. McCabe

    The principals of McCabe Industrial Minerals, Inc., have been involved in the mining, processing, and marketing of nonmetallic minerals for more than 40 years. In addition to marketing nonmetallic min

    Jan 1, 1999