Search Documents

Search Again

Search Again

Refine Search

Publication Date
Clear

Refine Search

Publication Date
Clear
Organization
Organization
  • SME
    The Electrochemical Study Of The Cementation Of Gold On To Copper And Zinc In Ammoniacal Solutions

    By Y. C. Guan

    The cementation of gold on to copper and zinc in ammoniacal solutions has been studied using rotating disc electrodes. The cathodic reduction of aurous ammine was studied on a gold rotating disc elect

    Jan 1, 1995

  • SME
    Recovery Of Aluminum By High Tension Separation ? Introduction

    By F. S. Knoll

    The high tension process which separates materials based on relative differences in surface conductivity has been very successful in recovering non-ferrous metals from municipal waste. Aluminum is by

    Jan 1, 1974

  • SME
    Removal Of Dolomite And Silica From Apatite By Selective Flocculation (d5249ac1-48e0-46b0-b5e3-154d7b2a8e58)

    The future phosphate rock deposits in South Florida contain a significant fraction of dolomite. The high MgO content of the rock is undesirable in the production of phosphoric acid. Several flotation

    Jan 1, 1994

  • SME
    Hecla’s Mobile Mechanical Vein Miner

    By M. Board, C. Alexander, M. Ramström, W. Johnson

    "Hecla - Lucky Friday is an underground mine that has been in operation for 75 years and produces from depths over 2.3 kilometers (7,500 ft) below the surface. Technical issues at this depth include h

    Jan 1, 2018

  • SME
    Applications Of The Coal Mine Roof Rating (CMRR) For Ground Control Planning And Operations

    By W. J. Wuest

    The U.S. Bureau of Mines (USBM) has recently developed a rock mass classification system for evaluating the structural competency of bedded roof strata; the Coal Mine Roof Rating, or CMRR. When compil

    Jan 1, 1995

  • SME
    Quartz Content In Bulk Coal, Host Rock, And Airborne Dust Samples: A Comparative Study Of IR And XRD Procedures (cb1f7d64-cbc8-4f25-b027-00b15a947ebe)

    By W. Miola

    The MSHA prescribed method for the determination of quartz in airborne respirable dust samples from underground coal mines is the P-7 method, a combination of low temperature radio-frequency ashing (L

    Jan 1, 1994

  • SME
    Groundwater Quality Impacts Of Superflocculation To Thicken Phosphate Clay Wastes - 1.0 Introduction - 1.1 Background

    By T. M. Gurr

    In response to concerns voiced by local, state, and federal agencies and various environmental groups, the Central Florida Phosphate Industry and various governmental agencies have been investigating

    Jan 1, 1986

  • SME
    Application Of Kinetics And Liberation Data To Analysis Of An Industrial Flotation Process

    By N. W. Johnson

    Two analysis tools which have been applied to problems in industrial Flotation processses are the application of kinetics and detailed mineralogical or liberation data, both on a size-by-size basis. T

    Jan 1, 1985

  • SME
    Geotechnical And Construction Aspects Of The Cerro Colorado On-Off Leach Pad, Mamina, Northern Chile

    By D. C. Martin

    Construction of the Cerro Colorado on-off leach pad in northern Chile required placement of approximately 3,000,000m3 of fill over a P1an area of approximately 600,000m in irregular terrain with relie

    Jan 1, 1995

  • SME
    Synchronous Electric Drives For Grinding Mills

    By M. Ploc

    The grinding process in the mining industry has seen an increased throughput to accomplish greater production and lower overall production costs. Up to 8-9 MW, a single motor can be connected to dri

    Jan 1, 2010

  • SME
    North Carolina Natural Phosphate-A Geologic And Agronomic Overview (e1582aa4-d27a-4a73-aae0-af86da15115c)

    By I. K. Gilmore

    Texasgulf Inc. currently operates an open pit phosphate mine in the central coastal plain of North Carolina. The area of phosphate deposition lies within the Aurora Phosphate district which consists o

    Jan 1, 1995

  • SME
    Studies Of Bit Wear And Respirable Dust Generation (0168d71f-fad1-407f-a958-d8e5ec9d8491)

    By J. A. Organiscak

    This paper describes the research con-ducted on bit wear and respirable dust generation conducted by the US Bureau of Mines (USBM) and West Virginia University (WVU), a member of the Generic Technolog

    Jan 1, 1995

  • SME
    Establishing a testing criteria to relate the in-situ performance of static and dynamic capable mesh - RASIM 2022

    By M. du Plessis, J. P. Gouvea

    Mesh based areal support is commonly applied in South-African deep-level gold mines. It forms part of an integrated support system that can cater for both rockfall and rockburst incidents. The applica

    Apr 26, 2022

  • SME
    Evaluation and Construction Effects of a 22-Story Tower on Adjacent Metro Tunnels in Los Angeles - RETC2023

    By Stan Tang, Yiming Sun, S. Amir Reza Beyabanaki, N. Sathi Sathialingam

    The Kurve mixed-use development project including a 22-story tower at 2801 Sunset Place was constructed on a site consisting of a roughly rectangular-shaped lot at the intersection of Wilshire Bouleva

    Jun 13, 2023

  • SME
    Prediction of Human Core Temperature Rise and Moisture Loss in Coal Mine Refuge Alternatives

    By M. Hepokoski, M. Klein, L. Yan

    "NIOSH research has shown that heat/humidity buildup is a major concern within coal mine refuge alternatives (RAs). These high temperature and humidity levels inside an RA may expose occupants to heat

    Jan 1, 2017

  • SME
    Studies Of Friction Factor For Kentucky's Coal Mines

    By Andrzej M. Wala

    A knowledge of the friction factor (K-factor) is necessary in planning and designing mine ventilation systems for least cost and highest effectiveness. The friction factor used must be accurate and re

    Jan 1, 1991

  • SME
    Evaluation of Seismic Potential in a Longwall Mine with Massive Sandstone Roof Under Deep Overburden: an Update - Mining, Metallurgy & Exploration (2023)

    By Mark Van Dyke, Ted Klemetti, Jake Beale, Zoheir Khademian, Joe Wickline

    In 2016, a 3.7-ML magnitude event caused by mining activity occurred at a longwall mine in southwestern Virginia which was recorded by the United States Geological Survey (USGS) and felt by local resi

    Aug 4, 2023

  • SME
    Geotectonics, Mantle Material And Ultrabasics

    By Charles E. Michener

    This paper deals with the occurrence of basic and ultrabasic rocks and their relationship in space and time to major structures of the earth. In order to introduce the paper properly, I must go back a

    Jan 1, 1971

  • SME
    A New Method To Determine The Fracture Toughness Of Oil Shale

    By K. P. Chong

    Fracture toughness of oil shale is an essential property in fragmentation to optimize particle sizes and permeability distributions in in-situ processes. Fracture mechanics of oil shale has been based

    Jan 1, 1984

  • SME
    Winifrede Mine Coal Handling Facilities

    By John E. Young

    United States Steel Corporation's Winifrede Mine is operated by Lynch District in the mountainous region of Eastern Kentucky. This region is characterized by narrow mountain ridges and precipitou

    Jan 1, 1970