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  • SME
    Flotability Of Metallic Iron Fines From Comminution Circuits And Their Effect On Flotation Of A Sulfide Ore

    By H. K. Lin

    The effect of metallic iron fines on froth flotation of a sulfide ore was examined by comparing the flotation results with and without iron fines present in the flotation feed. Mild steel and ceramic

    Jan 1, 2008

  • SME
    The Immobilization Of Free Ionic Gold And Asparagine-Complexed Ionic Gold By Sporosarcina Ureae: The Importance Of Organo-Gold Complexes In Gold Mobility

    By W. S. Fyfe, G. Southam, T. J. Beveridge

    Bacterial populations play an active role in mineral weathering in subsurface and near-surface environments e.g., supergene enrichment of Cu at Morenci, AZ. An invitro bacterial biofilm model was use

    Jan 1, 1999

  • SME
    Compensation and Jet Grouting as Mitigation Measures for a TBM Operation

    By Valerio Violo, Antonio Raschilla, George Kafantaris

    "The Cityringen project in Copenhagen, Denmark will form a new circular line in the city center and will consist of 21 new stations (17 + four transfer stations) and approximately 31 km (19 miles) of

    Jan 5, 2017

  • SME
    The OCC Process: A New Method for Near Net and Net Shape Casting

    By Hiroshi Soda, Atsumi Ohno, Hiroyuki Yamazaki, Alexander McLean

    INTRODUCTION The method of heat removal during a casting process strongly influences the crystal morphology of the cast product and hence the metallurgical and mechanical properties of the solidif

    Jan 1, 1990

  • SME
    Practical Applications For The Silicon Drift X-Ray Detector In SEM-Platformed Image Analysis: The Bruker-MLA In Practice

    Preface The intention of this paper is to provide the reader with knowledge gained here at Memorial University regarding the practical use of the Bruker SDD x-ray detector for applications in image a

    Jan 1, 2007

  • SME
    Processing Of Manganese Nodule Leach Liquor For The Separation Of Cobalt And Nickel Using PC 88A

    By S. Panigrahi

    The SO2-ammoniacal ammonium sulfate leach liquor generated by leaching of manganese nodules, after removal of minor quantities of iron and manganese, contained copper, nickel, cobalt, zinc and (NH4)2S

    Jan 1, 2009

  • SME
    Rational Design Of Yield Pillars: Improved Understanding Of Yielding Mechanism

    By K. T. Lee, M. U. Ozbay, M. D. G. Salamon

    Design of yielding chain pillars in deep coal longwall mines is not as well established due mainly to the lack of knowledge in the behavior of coal pillars in the post-peak regime. This study shows t

    Jan 1, 2001

  • SME
    Developing a Belt-Washing Station For Henderson’s Conveyor

    By David A. Brence, Andrew D. Marti, Richard P. Stahura, Ronald J. Valentine

    The development of an effective belt-cleaning system for a new conveyor system seemed a fairly conventional assignment. But a closer examination of the project showed a number of “fine print” details

    Jan 1, 2005

  • SME
    Improved Mixing And Bentonite Savings In The Production Of Green Balls ? Introduction

    By Albert J. Shohet

    The increasing scarcity of bentonite coupled with the potential of improved pellet strength have created a need for understanding the effects of thorough bentonite dispersion in taconite concentrate.

    Jan 1, 1976

  • SME
    Ground-Penetrating Radar for Karst Detection in Underground Stone Mines Mining, Metallurgy and Exploration (af91ef88-58ad-45be-8f21-58666827bf43)

    By Jonathan Baggett, Nino Ripepi, Amin Abbasi, Richard Bishop, Juan Monsalve, John Hole

    This work focuses on the operational and safety issues associated with karst voids in large opening underground mines. Issues include water inrush, structural instability, and engineering uncertainty

  • SME
    Theoretical background of the Crago phosphate flotation process

    By C. Guan

    Since it was patented in 1942, the Crago process with fatty acid rougher flotation followed by deoiling and amine cleaner flotation has become the standard for phosphate flotation in Florida and North

    Jan 1, 2009

  • SME
    Characterization And Contamination Assessment Of Mine Waste Piles And Sediment Materials In Gilpin County, Colorado

    By R. Abel, T. Wildeman, N. Heflin

    A study was conducted to assess environmental effects of waste rock piles on water in the Russell Gulch area. Each pile was rated on physical characteristics of proximity to an ephemeral gulch, extens

    Jan 1, 2004

  • SME
    Analysis of Fall-Related Imminent Danger Orders in the Metal/Nonmetal Mining Sector Mining, Metallurgy and Exploration

    By Mahiyar Nasarwanji, Jonathan K. Hrica, Jonisha P. Pollard, Lydia M. Kocher, Brianna M. Eiter

    Within the metal/nonmetal mining sector, fall-related incidents account for a large proportion of fatal and non-fatal injuries. However, the events and contributing factors leading up to these inciden

  • SME
    Keys To Selecting An Expert Electric Motor Shop

    By Fredrick Fränding

    In mining and quarrying operations, electric motors can fail for a variety of reasons. Some failures are directly linked to demanding production requirements and contaminant-laden environments and, co

    Jan 1, 2009

  • SME
    CEET (Comminution Economic Evaluation Tool) (For Comminution Circuit Design And Production Planning)

    By G. Kosick, G. Dobby

    CEET, an acronym for Comminution Economic Evaluation Tool, was jointly developed by MinnovEX Technologies Inc. and 13 major mining companies for the purpose of designing and predicting the performance

    Jan 1, 2001

  • SME
    Practical Challenges For The Mine: Precious Metals Accounting And Reconciliation

    By Will Jansen

    When Enron rocked the United States with its Titanic-sized financial accounting scandal, miners and metallurgists were probably too busy on the mine sites in remote locations to wonder about its rippl

    Jan 1, 2009

  • SME
    Discussion - Large Dozer Stripping Case Studies - Hrebar, M. J.

    By B. Beatty

    Discussion by B. Beatty This is a response to M.J. Hrebar's paper, which tracks in detail the highly productive stripping capabilities of modern large bulldozers at two separate installations.

    Jan 1, 1995

  • SME
    Weinbach Soft Ground Tunnel: Lessons Learned

    By Raymond W. Henn, Kent A. Pease, Glen J. Rorison

    The paper focuses on construction of a 2.55-km (8,365-ft) long, 2.4-m (8-ft)diameter storm drain tunnel in Evansville, Indiana. The tunnel was driven through saturated soft ground varying from clay to

    Jan 1, 2001

  • SME
    Improving Energy Efficiency in Copper Heap Leaching with the use of Binders

    By K. A. Lewandowski

    Leach heaps are plagued with problems due to fine material migrating downwards, clogging the spaces between the coarser ore particles, resulting in decreased metal recovery rates. The use of a binder

    Jan 1, 2008

  • SME
    Pebble Crushing in a SAG Mill Circuit

    By D. E. Healy

    In 1989, an autogenous grinding task force was formed to study potential autogenous grinding circuits to replace the existing semi-autogenous grinding (SAG) at the National Steel Pellet Plant in Keewa

    Jan 1, 1992