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  • NIOSH
    OFR-3(1)-80 The Development Of A Cross-Pit Overburden Handling System - Volume I - Preliminary Design

    By J. Ritchey

    This report describes the engineering feasibility and economic advantages of using a mobile bridge-type cross-pit belt conveyor system in conjunction with a large dragline to excavate and transport sp

    Jan 1, 1976

  • SAIMM
    The Beneficial Effects Of Feeding Dry Copper Concentrate To Smelting Furnaces And Development Of The Dryers

    By S. L. Chen

    Keywords: copper, concentrate drying, steam dryer, dryers By placing additional demands on energy and gas flow, the moisture content of a copper concentrate has an adverse effect on the smelting p

    Jan 1, 2006

  • NIOSH
    IC 7173 Technical Research By The Bureau Of Mines In Oil And Gas Production, Refining, And Utilization ? Introduction

    By H. C. Miller

    Several agencies of the Federal Government are engaged in research and fact finding relative to petroleum and natural gas, and others are concerned with carrying out the provisions of specific laws th

    Jan 1, 1941

  • NIOSH
    Bulletin 109 Operating Details of Gas Producers

    By R. H. Fernald

    In 1900, as far as available records show, there were only two producer-gas power installations in the United States. In June, 1915, the number probably exceeded 1,000. Of this number, some 84.5 per c

    Jan 1, 1916

  • SME-ICGCM
    Roof Control Analysis In North River Mine

    By Mike Watts

    Since the first longwall panel development started in the new mining, (Southern) area, a number of roof falls have occurred in L1 and L2 gate-entries. The longwall was delayed for a total of two month

    Jan 1, 2000

  • NIOSH
    RI 5209 The Three Kids Manganese Deposit Clark County, Nev.: Exploration, Mining, And Processing ? Summary

    By A. C. Johnson

    The Bureau of Mines explored the Three Kids deposit in 1941 as part of a strategic minerals program. Earlier mining and exploration had established the presence of a substantial tonnage of medium-grad

    Jan 1, 1956

  • TMS
    Preliminary Evaluation of Spark Plasma Extrusion

    By K. Morsi

    The interest in spark plasma sintering has been growing considerable over the past few years. This has been brought about by the unique advantages of the process, which include reduced sintering tempe

    Jan 1, 2009

  • SME
    Teamwork, Technology Key in Rescuing Coal Miners

    By Steve Kral

    The dramatic rescue of nine Pennsylvania coal miners trapped nearly 90 m (300 ft) underground for77 hours probably would not have happened without the high technology equipment and improved mine rescu

    Jan 1, 2002

  • AIME
    Reservoir Engineering Equipment - A New System of Tools for Better Control and Interpretation of Drill-Stem Tests

    By B. P. Nutter, M. Lebourg, J. A. McAlister

    The Multi-Flow Evaluator (MFE) is a new system of tools providing an original approach in drill-stem testing. It improves control during the testing operation and gives a more accurate evaluation of t

    Jan 1, 1966

  • NIOSH
    Bulletin 228 Estimation of Underground Oil reserves by Oil Well Production Curves

    By WILLARD W. CUTLER

    This bulletin reviews, in the light of recent experience, the use of production-decline curves in estimating the future production of oil from wells. It deals with the estimation of the reserves of re

    Jan 1, 1924

  • NIOSH
    IC 6746 A Review Of Coal-Mine Fatalities In Indiana During The Fiscal Year, October 1, 1931, To September 30, 1932

    By C. A. Herbert

    During the fiscal year ended September 30, 1932, there were 27 fatalities in the coal mines of Indiana. Four of this number occurred in small mines employing less than 10 men, over which the State Ins

    Jan 1, 1933

  • AUSIMM
    Basicity of Metallurgical Slags

    By Yindong Yang

    Despite the importance and usefulness of basicity in metallurgical slags, the optimum quantitative expression of it has remained elusive, partly due to the fact that the precise concept of basicity ha

    Jan 1, 2001

  • CIM
    Experiences with a New Generation Automated Long Hole Drilling Rigs at LKAB Kiruna Mine in Northern Sweden

    By Patrik Ericsson

    During the 90?s Atlas Copco and LKAB developed a pioneering fully automatic long hole production drilling system based on the Atlas Copco Simba W469 drill rigs. These drill rigs have since then drille

    May 1, 2007

  • AIME
    Coal - Hydraulic Stowing Techniques in Armutcuk Mine, Turkey

    By Mehmet Guney

    At the Armatcuk mine in Turkey, various modifications of sublevel methods have been tried during the last decade in an effort to eliminate gob fires, dangers from roof falls, and surface subsidence, a

    Jan 1, 1969

  • IMMS
    Underwater Minerals Conference 2022 Abstract Booklet

    By NA UMC

    Abstract Booklet

    Dec 1, 2022

  • NIOSH
    RI 6034 Heats And Free Energies Of Formation Of Germanium Dioxide ? Introduction And Summary

    By Alla D. Mah

    The need for more and better basic thermodynamic data for the oxides of many of the rare metals is evident to anyone who attempts thermodynamic calculations involving these substances. In continuation

    Jan 1, 1962

  • TMS
    Investigation of Charge Transfer Resistance at Pyrite Electrodes Modified by Gold and Silver Nanoparticles

    By David G. Dixon, Maziar Eghbalnia

    "Gold and silver nanoparticles (NPs) were deposited on pyrite at ambient temperature from colloidal solutions prepared by reduction of hydrogen tetrachloroaurate or silver nitrate by sodium sulfide or

    Jan 1, 2012

  • CIM
    Flotation Process Optimization Using Outotec Frothcontrol Solution

    By M. Mononen, J. Huuskonen, M. Vauhkonen, J. Kourunen, A. Lehikoinen

    "A new approach to measure process conditions in flotation cells is presented. Real scale flotation cells in a Zinc circuit are imaged using Outotec LevelSense sensors based on electrical resistance t

    Jan 1, 2013

  • CIM
    The Union Bay Platinum Prospect, SE Alaska, a Hydrothermal PGE Deposit

    By C. J. Van Treeck

    PGE concentrations of 18 g/t occur in the pyroxene rich rocks at the Union Bay Alaskantype complex. This PGE enrichment is hosted in magnetite veins. These veins cross magmatic layering and have an ir

    May 1, 2003

  • SME
    Development and Status of the Treatment Technology for Acid Mine Drainage "Mining, Metallurgy & Exploration (2021)"

    By Shuangchun Yang, Le Tong, Ronggui Fan, Cunlei Li

    Acid mine drainage (AMD) is difficult to treat due to its physicochemical characteristics, such as high pH and high heavy metal concentrations, so it causes great harm to the environment and human hea

    Sep 4, 2020