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  • SME
    DSI DYWI Rock Dust Enhancing Safety And Productivity In Underground Coal Mining

    By J. Pinkley

    DSI DYWI Rock Dust application is aiding in enhancing safety and productivity in underground coal mining. DSI DYWI Rock Dust combines wet dusting technology and polymers to allow for drying and lift

    Jan 1, 2012

  • SME
    Geologic And Geostatistical Applications To Mine Production At Inspiration (1723e282-81a7-42f4-8db5-273c2ebb6ddb)

    By James W. Clark

    This paper is a description of certain geologic aspects of the Inspiration mining operation. It is not a geologic description of the Inspiration deposit nor an exposition of all the geologic work invo

    Jan 1, 1984

  • SME
    Coefficients Of Restitution In The Application Of Rigid Body Impact Mechanics In Rockfall Analysis

    By P. Ashayer, J. Curran

    Introduction Rockfalls occur when rocks or boulders detach from mountains or hills and tumble down. They can pose significant hazards to infrastructure such as highways, buildings, and mine open pits

    Jan 1, 2007

  • SME
    Mitigation Of Feather Edging And Validation With Instrumented Bolted Breakerlines

    By S. K. Singh, J. Shepherd

    "Feather edging"- a major source of injury and fatal accidents in Australia, South Africa and USA, refers to a phenomenon where the roof, at the goaf edge, falls as a thin wafer of rock often suddenly

    Jan 1, 1999

  • SME
    The Athabasca Tar Sands - Developments To Date, And The Outlook For The Future ? Introduction

    By L. B. McConville

    The general term "tar sand" has been used to describe sand containing varying amounts of dense, viscous petroleum. Deposits of tar sands have been found throughout the world, often in the same geograp

    Jan 1, 1974

  • SME
    Selection and Sizing of Non-Sedimentation Equipment

    By M. Moss Stanley, Ronald P. Klepper

    The objective of this chapter is to provide data that will assist in the selection and sizing of equipment utilized in the filtration method of separating solids from liquids. It should be recognized

    Jan 1, 1986

  • SME
    Using Chemical Grout To Control Groundwater Infiltration

    By J. Gentry

    Chemical grouting has been successfully used for over forty years to control the movement of groundwater in a wide variety of applications including tunnels, subway systems, sanitary sewers, mines and

    Feb 27, 2013

  • SME
    A Multi-Criteria Decision Support System For Open Pit Mine Planning Under Geological And Market Uncertainties - Preprint 09-008

    By S. A. Abdel Sabour

    Conventional methods for selecting a production plan for an open pit mine is based on the assumption that ore grades throughout mine life as well as market variables are known with certainty. Another

    Jan 1, 2009

  • SME
    Jigging With A Density-Sensitive Filter Layer ? 1. Introduction

    By K. Schonert

    Jigging is a separtion process that has already been described by Agricola in 1556. Fine size material is normally treated in a hutch jigging process, in which the heavy particles are penetrating the

    Jan 1, 1987

  • SME
    Desulfurization of coal by microbial flotation in a semicontinuous system

    By N. Ohmura, H. Saiki, T. Nagaoka

    A microbiological flotation system that facilitates the removal of pyritic sulfurfrom coal is reported. The chemoautotrophic bacterium Thiobacillus ferrooxidans is utilized as a pyrite-selective biolo

    Jan 1, 2000

  • SME
    Newmont’s Yanacocha Project: The Joint Venture Three Years Later

    By L. Harris

    The Yanacocha project is the first foreign investment in Peruvian mining since Cuajone during 1976. Three years after the project began, it has become the largest producer of gold from heap-leach ope

    Jan 1, 1996

  • SME
    Simulating Development In An Underground Hardrock Mine

    By D. Brunner, G. R. Baiden, H. J. Yazici

    System simulation is an increasingly popular technique for analyzing and improving existing as well as newly designed underground mining operations. An engineering firm that specializes in simulat

    Jan 1, 1999

  • SME
    High Risk Tunneling Adjacent To Large Water Tank On The UNWI Sections 3&4 Project

    By Andrew Finney

    INTRODUCTION The Sacramento Regional County Sanitation District (SRCSD) serves unincorporated areas of Sacramento County, parts of the cities of Sacramento and Folsom, and the cities of Citrus Heigh

  • SME
    Equilibrium Adsorption Studies Of Polysaccharides On Talc: The Effect Of Molecular Weight, Charge, And The Influence Of Metal Cations

    By P. Harris, G. Groenmeyer, L. Parolis

    The effect of molecular weight, charge and the presence of the cations Ca2+, Mg2+and K+ on the adsorption of carboxymethyl cellulose on pure talc obtained from Balmat, New York have been investigated.

    Jan 1, 2004

  • SME
    The Dissolution Of Copper Sulfides Under Reducing Conditions

    By C. A. Young, R. G. Robins, E. J. Dahlgren

    The formation of copper thio-complexes in sulfide solutions has been recognized for many years and the measured solubilities of certain copper sulfide minerals attributed to these complexes. Attempts

    Jan 1, 2001

  • SME
    Ten years of conducting level 1 simulated emergency exercises in Queensland?s underground coal mines

    The inquiry into the explosion at the Moura No. 2 Mine in August 1994 recommended -?Emergency procedures should be exercised at each mine on a systematic basis, the minimum requirement being on an ann

    Jan 1, 2009

  • SME
    Dissolution Behavior Of Silver/Silver Oxides In Ammoniacal Solutions

    By K. N. Han, N. S. Kim, H. Yoon, J. S. Sohn

    The leaching behavior of silver and silver oxides in ammonical solutions has been studied. The current study is concerned with an effective recovery of silver from secondary sources such as spent silv

    Jan 1, 2002

  • SME
    Coal Mine Ventilation Efficiency: A Comparison Of Us Coal Mine Ventilation Systems - Preprint 09-071

    By C. R. Hairfield

    With ever rising energy costs, it is increasingly important for mines to operate with energy efficiency. As a large portion of a mine?s energy consumption is often attributed to the operation of mine

    Jan 1, 2009

  • SME
    New Sources Of Calcium Carbonate

    By N. C. Trivedi

    Natural calcium carbonate, commonly known as limestone is an abundant resource pretty much worldwide. Calcium carbonate occurs naturally as the main constituent of chalk, limestone, and marble. One

    Jan 1, 2002

  • SME
    Strategic Drivers Of The Mining Industry: From Enclave Production To Industrial Clusters - 1. Introduction

    By P. van der Veen

    The objective of this paper is to analyze the evolution of the strategic drivers of the mining sec-tor over the last half century, which has been guided by a varying and expanding list of motivations.

    Jan 1, 2007