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  • AUSIMM
    Case Studies Using Slurries and Stable Slurries with Unconventional Binders as Backfill Materials in Deep Hard Rock Tabular Mines

    By Harrison AT, Smart RM

    Backfill systems using unconventional cementitious hinders have been successfully used in relatively deep and hard rock tabular mines for longwall, scattered stoping and shaft pillar removals. Two

    Jan 1, 1998

  • AUSIMM
    Design and Use of Backfill for Support in Polish Coal Mines (80b269b9-766a-4488-9ab9-f96403287b88)

    By J Palarski

    Over the last 100 years in the Polish mining industry considerable work has been done to assess optimum slurry, develop flexible delivery systems and adjust the fill technology to a wide variety of

    Jan 1, 1998

  • SME
    Bit Geometry Effects on Failure Characteristics of Rock

    By V. B. Achanti

    This paper deals with the effect of various bit geometric parameters on failure characteristics of rock material. Improvement of rock cutting efficiency of continuous mining machines has been an inter

    Jan 1, 1998

  • SME
    Classification And Froth Flotation Of Fly Ash For Producing High Quality Pozzolan

    By J. G. Groppo

    Froth flotation has been shown to be an effective method for reducing Loss-on-Ignition (LOI) of ponded or landfilled fly ash. Reduction of LOI is required for many fly ashes, particularly those produc

    Jan 1, 1998

  • SME
    Does The Capital Budgeting Process Inhibit Corporate Competitiveness? (AIME PRIPRINT 98-64)

    By B. W. Cavender

    Capital investments are made for a variety of purposes, from providing incremental capacity at existing operations to developing and implementing new technologies intended to radically improve a compa

    Jan 1, 1998

  • AUSIMM
    Big Bell Coming Back for Seconds, Thirds and Fourths

    In October 1993 it was decided to undertake the fourth phase of mining at Big Bell. This decision followed the exhaustion of open pit reserves in January 1993. Two stages of mining were proposed for t

    Jan 1, 1998

  • AUSIMM
    Recent Developments and Trends in Backfill in Canada

    By J Nantel

    Planning of modern mines entails considerable challenges in the areas of ground control, materials handling, safety, environment, equipment and personnel. Many orebodies are not economical unless e

    Jan 1, 1998

  • AUSIMM
    Numerical Simulation of the Drainage in a Mining Stope Filled with Hydraulic Bakcfill

    By Servant S

    In the mine of this study, cemented hydraulic backfill is placed under the form of a slurry at a percentage of solid by weight varying from 50 to 65 per cent. This slurry settles and cures in the st

    Jan 1, 1998

  • AUSIMM
    The Development of Colloidal Mixer Base CRF Systems

    By A E Reschke

    The high-shear colloidal mixer is generally recognised as the most efficient method of mixing cement based grouts. Only recently however has this technology been applied to the production of cemente

    Jan 1, 1998

  • AUSIMM
    Optimisation of Hydraulic Filling for Underground Disposal of Tailings in Peru

    By D M R Stone

    Failings di,posal presents many challenges at metal mines in Peru where the extreme relief yields very little useable land area. These challenges are amplified by other hazards such as the high seis

    Jan 1, 1998

  • AUSIMM
    Still Pillar Mining - An Evaluation of Requirements and Techniques for Stabilisation of Bottom Slice Fill

    By Andersson PO

    Boliden Mineral AB Boliden Mineral AB operates nine mines in Northern and Central Sweden, producing zinc, lead and silver concentrates and copper and gold. Seven of these mines use cut and fill (C&F

    Jan 1, 1998

  • AUSIMM
    Design and Operation of Backfill for Reliable High Solids Concentration Discharge

    By A G McLean

    This paper will first discuss the fundamental requirements for reliable discharge of backfill by gravity alone at high per cent solids. This discussion will include brief mention of the underlying p

    Jan 1, 1998

  • SME
    Waste Clay Ponds In Florida-Regulatory Status Report

    By S. Partney

    Waste clay ponds are a necessary part of the phosphate rock beneficiation process. They are large, averaging a square mile in size; unsightly, in that they protrude 20 to 50 feet (6 -15 meters) above

    Jan 1, 1998

  • TMS
    Thermodynamic Analysis of Copper Smelting Process

    By Zhang Chuanfu, Tan Pengfu

    "A thermodynamic model is developed to predict the distribution behaviors of Ni, Co, Sn, Pb, Zn, As, Sb, Bi, Au and Ag in copper pyrometallurgical process. In this model, as more as 21 elements (Cu, S

    Jan 1, 1998

  • AUSIMM
    Classified Tailings as Part of an Intergrated Regional Support System

    By D R Van Eck

    Western Deep Levels, a seismically active deep level told mine. stalled placing backfill in their narrow tabular workings as part of the regional support strategy in 1986. Over the years the percent

    Jan 1, 1998

  • SME
    A Hard Look At Dry Grinding Systems For Gold Ore

    By Norbert Patzelt

    Today the standard method for grinding ore is the wet process. This is mainly due to the fact that the downstream process is wet and considering the total circuit dry grinding is not the most eco­nomi

    Jan 1, 1998

  • SME
    An Integrated Bioreactor System For The Treatment Of Cyanide, Metals And Nitrates In Mine Process Water

    By Leslie Thompson, Randy Hiebert, Marietta Canty

    A paper is presented in which an innovative biological process is described for the treatment of cyanide-, metals-, and nitrate-contaminated mine process water. The technology is capable of detoxifyin

    Jan 1, 1998

  • SME
    An Update On The Nitrox Process

    By Gus Van Weert

    Capital and operating costs for a 10 tpd NITROX PROCESS® demonstration plant are being established. The flowsheet is based on Dickenson Mines' Red Lake arsenopyrite concentrate. Support for the work c

    Jan 1, 1998

  • SME
    Appucations For Electronic Ore Sorting

    By W. Kemp Wait

    Electronic ore sorting is a coarse particle beneliciating process which performs a function which in the past was primarily achieved through the use of hand picking belts. Photometric ore sorting is c

    Jan 1, 1998

  • SME
    A Comparison Of Selected Acid Mine Drainage Treatment Processes

    By R. E. Mclaughlin, R. J. McLaughlin, A. H. Danzberger

    Acid mine drainage (AMD) can occur as a natural phenome­non through oxidation of sulfide minerals. Oxidation by air and water can be exacerbated by mining. Because AMD can exhib­it low pH, it is capab

    Jan 1, 1998