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  • SME
    Study On Leaching Vanadium From Roasted Residue Of Stone Coal

    By D. He

    In China, the total reserves of vanadium, reported as V2O5, in stone coal is 118 Mt (130 million st). Recovering vanadium from such a large resource is very important to China?s vanadium industry. The

    Jan 1, 2008

  • SME
    Study On The Recycling Of Valuable Metals In Spent Al2O3-Based Catalyst

    Based on X-ray phase analysis and exploratory experiments, a new technology was developed to recycle multiple valuable elements in spent Al2O3-based catalyst. The experimental results showed that afte

    Jan 1, 2007

  • SME
    Maintenance Program: A Void With Penalties Or A Path To Effectiveness

    By Paul D. Tomlingson

    There are huge benefits for mining operations that have a well-defined maintenance program that is understood and followed across the total operation. But for operations lacking a quality maintenance

    Jan 1, 2008

  • SME
    Horizontal directional drilling implementation at MIMOSA Mines

    By M. Santillan

    Minerales Monclova S.A. de C.V. (MIMOSA) has applied different methane gas drainage technologies, according to the top industry requirements in order to keep the methane gas at the lowest possible con

    Jan 1, 2009

  • SME
    TBM Tunneling At The Ashlu Hydropower Project, Squamish, BC

    By Serge Moalli

    The Ashlu Creek Hydro-electric project, located north of Squamish, BC, at the confluence of Ashlu Creek and the Squamish River, comprises a 49 MW run-of-river project and features a 4.08 m diameter, 4

  • SME
    Industry Technologies Featured at MPES Meeting

    The development of technologies to improve mining and mineral processing is an ongoing process. These new technologies are the result of the industry’s drive to lower costs and improve productivity.

    Jan 1, 2006

  • SME
    The Mechanism of Grouting Reinforcement of Broken Rocks Surrounding the Gob-Side Retained Entry

    In this paper, uniaxial compression tests were conducted on intact rocks and broken rocks that were reinforced by grouting, and the effects of grouting on the strength of broken rocks were analyzed. T

    Jul 28, 2020

  • SME
    Enhanced Mobility Of Arsenic In Mine-Impacted Systems As A Result Of Anthropogenic Eutrophication

    By A. Martin

    Detailed porewater profiles of arsenic and other interstitial metabolites were used to assess the relationship between trophic status, sediment redox chemistry and arsenic mobility in a historic taili

    Jan 1, 2002

  • SME
    Thermodynamic Evaluation Of Oleate Chemisorption At Calcium Semi-Soluble Salt Surfaces

    By C. A. Young, J. D. Miller

    Thermodynamic data has been obtained for oleate chemisorption at fluorite (CaF2) and calcite (CaCO3) surfaces using adsorption isotherms determined previously at room and elevated temperatures by in-s

    Jan 1, 2002

  • SME
    Energy savings on mine ventilation fans using ?Quick-Win? Hermit Crab Technology-A perspective

    By B. K. Belle

    The beginning of 21st century has heralded the global strategic importance, as evidenced by increase in energy prices and energy generation-emission-utilization dilemmas. In January 2008, the South Af

    Jan 1, 2009

  • SME
    Membrane Vs. Chemical Treatment To Remove Mine Water Contaminants ? Determining Which Process Works Best For Mine Water Treatment Needs ? Introduction

    By H. C. Liang

    Reverse osmosis (RO) and nanofiltration (NF) are widely regarded as being best available technologies (BATs) for removing contaminants of concern from water. In recent years, NF or RO treatment has i

    Jan 1, 2012

  • SME
    Instrumentation Of The Homestake Underground Laboratory For Drawdown Measurements During Dewatering - Preprint 09-113

    By A. D. Davis

    The former Homestake gold mine at Lead, South Dakota, has been selected by the National Science Foundation as the proposed host site for the Deep Underground Science and Engineering Laboratory. The d

    Jan 1, 2009

  • SME
    Increasing Availability through Advanced Gearless Drive Technology (bdb34c0f-eece-4038-82e2-fac055da3c4a)

    By C. Dirscherl

    "Declining ore grade, leading to increased material transport and plant throughput requirements, is one of the major challenges in the current mining environment. This is accompanied by rising energy

    Jan 1, 2015

  • SME
    Analysis And Control Of Energy Consumption In Surface Coal Mining - Preprint 09-082

    By D. Bogunovic

    The U.S. coal mining industry consumes a significant amount of energy, primarily diesel fuel and electricity. The continuous global increase in energy demand, high energy prices, and environmental iss

    Jan 1, 2009

  • SME
    Development Of A High Blow Energy Hydraulic Impactor

    By Wm. Ross Wayment, Innes P. Grantmyre

    INTRODUCTION It has been recognized for some time that major changes in mining methods will be required in the near future. Two types of factors contribute to this need for change. Intrinsic factor

    Jan 1, 1976

  • SME
    Evaluation Of Novel GP Clay Binders In Iron Ore Flotation - Preprint 09-084

    By D. Tao

    The reverse cationic flotation is the most widely utilized flotation method for concentrating iron ore. In such a process quartz is often floated with ether amines (R?O(CH2)3?NH2) partially neutraliz

    Jan 1, 2009

  • SME
    Improved Prices Spur Optimism at NWMA Meeting

    By Steve Kral

    After years of cutbacks, closures and layoffs, the mining industry is beginning to expand again. Metals prices are up and so is investor interest and confidence in the industry. Gold prices began

    Jan 1, 2004

  • SME
    Long-Term Evaluation Of Cab Particulate Filtration And Pressurization Performance

    By A. B. Cecala

    Over the past decade, a substantial effort has been made to improve the air quality inside enclosed cabs of both underground and surface mobile mining equipment to reduce respirable dust exposures to

    Jan 1, 2012

  • SME
    Overview of Low-Rank Coal Drying – Preprint 97-61

    By W. G. Willson, D. E. Walsh, B. Irwin

    Low-rank coal (LRC) drying processes are generally categorized by operating temperature, drying environment and type of feed (either sized or ground coal). Within these broad categories, drying proce

    Feb 24, 1997

  • SME
    Application Of The Split-Online Sag Feed Size Analyzer At P.T. Freeport Indonesia

    By A. Supomo, A. Partanen, M. Mular

    Although many SAG operators may agree that on-line measurement of SAG feed-size is an attractive notion, applying this information in a control strategy that recovers the investment, engineering time,

    Jan 1, 2001