Search Documents

  • AUSIMM
    Removal of Arsenic in Enargite from Copper Ores by Flotation and Leaching in NaHS Media

    Removal of Arsenic in Enargite from Copper Ores by Flotation and Leaching in NaHS Media

    Sep 13, 2010

  • SME
    Tunneling Toronto Canada 1970

    By G. F. Jenkins, P. S. Hobden

    Toronto as a geographical area provides an exceptionally wide variety of subsoil stratiphication. Tunneling consequently required a very wide range of adaptabilities to meet its changing conditions. T

    Jan 1, 1997

  • SME
    The Candelaria Concentrator Expansion Project

    By D. L. Ogonowski, J. O. Marsden

    The Candelaria copper-gold mine is located approximately 25 km south and east of Copiapo in Region III, Chile. The original concentrator was designed to treat 28,000 t/d (30,800 stpd) of chalcopyrite

    Jan 1, 1999

  • NIOSH
    OFR-100(3)-77 Design And Development Of A Machine Familiarization Trainer For Dragline Operators - Phase II Report

    By Peter Murphy

    This report (arid related appendices) provides a description of the functional design specifications, engineering design specifications, and program of instruction for development of a training system

    Jan 1, 1976

  • SME
    Role Of Gas Pressure In Underground Coal Mine Bursts And Bump

    Face and pillar bursts, bumps and bounces are violent failures that occur in underground coal mines in response to a complicated interplay of face and pillar geometry, seam depth, coal properties and

    Feb 27, 2013

  • CIM
    Global Approach to Managing Deep Mining Hazards

    A series of fault slip seismic events have occurred at Garson mine. The events have occurred during development advancement exposing faults, after the extraction of single stopes due to mining induced

    May 1, 2009

  • SME
    Rock Cutting By Jets: A Promising Method Of Oil Well Drilling ? Introduction

    By R. Feenstra

    In the course of time, an increasing number of investigations on jet cutting all kinds of material, such as rocks1, 2, 3, metals4, 5, and wood6 have been reported to serve various applications. This p

    Jan 1, 1974

  • NIOSH
    The Mineral Industry Of Other East African Countries - Burundi (c77845b7-c701-471e-a72b-f4781ee6c9c7)

    By Kevin Connor

    There was little change during 1988 in the production of minerals in Burundi. The Government of Burundi, which banned all commercial mining operations in the country in 1979, lifted the ban on mining

    Jan 1, 1985

  • DFI
    Statnamic Load Testing; Overview And Case Histories Of Augered Cast-In-Place Piles

    By Mike Muchard

    Augered cast-in-place piles are one of the most cost effective deep foundation options available to designers but have been largely underutilized due to skepticism associated with quality assurance an

    Jan 1, 2000

  • DFI
    Business Benefits Of An Integrated CFA Rig Instrumentation System

    By Jason N. Scott

    CFA piling is a ?blind? construction process that relies heavily on the rig instrumentation to produce sound piles. If the data measured and recorded during construction can be made available to engi

    Jan 1, 2006

  • SME
    Phelps Dodge, Caterpillar Use Technology to Lower Costs

    By Steve Kral

    For the past several years, copper producers have faced a tough business climate. Nagging low prices forced many them to reduce their production and make other drastic cutbacks just to breakeven. An

    Jan 1, 2004

  • NIOSH
    Placer-Mining Methods And Costs In Alaska - Introduction

    By Norman L. Wimmler

    Active placer mining in Alaska began near Juneau in 1880, but the first gold rush did not start until 1896; then the discovery of the Klondike brought gold seekers from all parts of the world. A few o

    Jan 1, 1927

  • SME
    Geochemistry of ilmenite and applications to ilmenite provenance and Ti-mineral exploration

    By Antonio Pineda, Roger K. McLimans, Felicity E. Lloyd

    lmenite is a primary ore feed to the DuPont chloride process for the manufacture of titanium diox-ide pigment. We seek to determine ilmenite geochemistry as a function of original source and as-certai

    Jan 1, 2005

  • AUSIMM
    Wall-flow type diesel particulate filter system to replace existing wet element filter systems used in typical LHDs in underground coal operations

    By N Coplin

    Australian Coal Association Research Program (ACARP) project C25073 was proposed by industry stakeholders seeking a potential solution that improves underground air quality and reduces operational cos

    Aug 28, 2017

  • IIMP
    Evolución del método de minado de mina Chupa Unidad Minera Iscaycruz

    By José Cuadros

    "El presente trabajo señala el proceso de evolución del método de minado en la mina Chupa, perteneciente a la unidad minera de Iscaycruz. La evolución del método de minado se determinó por la búsqued

    Jul 31, 2003

  • SAIMM
    The Effect Of Graphite Properties On The Rate Of MnO Reduction From High Carbon Ferromanganese Slag

    By G. Tranell, L. Kolbeinsen, S. Gaal, J. Safarian

    The effect of carbon material properties on the rate of MnO reduction from ferromanganese slag by solid graphite was investigated. A sessile drop technique was used to study the reduction rate of a sy

    Jan 1, 2007

  • CIM
    Investigating the Potential of Hydrofloattm Coarse Particle Flotation Techniques on Copper Sulphide Ores

    By P. J. Mehrfert

    "Recovery of mineralized coarse particles is notoriously low in conventional concentrators that treat copper porphyry ores. The application of coarse particle flotation techniques has the potential to

    Jan 1, 2017

  • NIOSH
    RI 3844 Performance of a Hydraulic Classifier Designed to Incorporate Four Hitherto Neglected Principles

    By Will H. Coghill, I. L. Feld, G. D. Coe

    The object of this paper . is to make known the superior classification accomplished in a hydraulic classifier designed to make use of principles determined by recent research ... The details of the d

    Dec 1, 1945

  • SME
    Cost value of High-angle conveying – 2011

    By Joseph A. Dos Santos

    "The subject of this writing was first published in 1998 with the emphasis on the hardware cost comparison. Other costs, such as the required land area and spatial volume, were mentioned but not empha

    Sep 1, 2016

  • AUSIMM
    In Situ Rehabilitation of Concentrate Tailings at Macraes Mine: A Contingency Option

    By D Craw, D Wilson, D Chappell

    Gold is extracted by cyanidation of a sulphide-rich concentrate at Macraes mine, and after cyanidation, the concentrate is discharged to tailings impoundments. The concentrate tailings were discharged

    Jan 1, 1998