Search Documents

  • AUSIMM
    Ore Grinding Energy Minimisation by Thermal Treatment

    By Dhar B. B, Gupta R. C

    Grinding of iron ore is an essential step to utilise ore fines for pelletisation needed for DRI units. While preparing iron ore pellets for DRI production, the iron ore needs extensive grinding whic

    Jan 1, 1999

  • AIME
    Drilling - Equipment, Methods and Materials - Computerized Drilling Control

    By F. S. Young

    Previous laboratory and field experimentation has demonstrated the effect of several variables on drilling rate.1-5 These results have been incorporated into optimization theories6-" for the purpose o

    Jan 1, 1970

  • CIM
    Lifter Design Using a DOE Approach with a DEM Charge Motion Model

    By Ian Orford, Peter Radziszewski, Lud Strah

    "An autogenous grinding circuit was commissioned at the Brunswick concentrator in October 1998. The AG mill was subsequently converted to SAG operation in May 1999 for a number of reasons. The mill ha

    Jan 1, 2003

  • NIOSH
    Index Of Selected Gasification Patents (In Three Parts) I. United States Patents - Introduction

    THE Synthetic Liquid Fuels Act. (30 U.S.C., 321-325, and amendments) became law April 5, 1944, and a period of intensive research and development in this field was begun by the Bureau of Mines. As pa

    Jan 1, 1960

  • CIM
    Optimizing performance of AG/SAG mills – A design approach

    By Sanjeeva Latchireddi, Travis Orser

    "Today’s high capacity semiautogenous grinding (SAG) mills expend vast amounts of energy and in doing so consume tons of shell liners and steel balls, while processing ore. The energy efficiency of th

    Jan 1, 2005

  • SAIMM
    Performance Update Of Hot Dip Galvanizing In The Corrosive Environment Of South African Gold Mines

    By R. E. Wilmot

    This paper is based on the experiences, over many years, on the part of numerous authors in the South African mining industry and that of the hot dip galvanizing process and its application as a corro

    Jan 1, 2006

  • NIOSH
    RI 3806 Studies in Redistillation of Carbotherrmic Magnesium

    By E. Don Dilling, W. F. Holbrook, Lloyd R. Michels, James W. Pennington, Dwight L. Harris, Wm. F. Hergert, Cyrus L. Blogett, H. A. Doerner, Ernest A. Reige

    "IntroductionA process for production of magnesium by carbothermal reduction was developed at Padentheirm, Austria, by the Austro Americanische Magnesit Corporation& an independent investigation of th

    May 1, 1945

  • TMS
    Hot Working Behavior of 17-4 PH Stainless Steel

    By Hamed Mirzadeh

    The hot working behavior of 17-4 PH stainless steel was studied using the hot compression test at temperatures of 950-1150 °C with strain rates of 0.001-10 s-1. A step by step procedure for data analy

    Jan 1, 2010

  • SME
    8 M Diameter 7 KM Long Beles Tailrace Tunnel (Ethiopia) Bored And Lined In Basaltic Formations In Less Than 12 Months

    By Antonio Raschillà

    On the 2nd of June 2007 SELI S.p.A. started the excavation of Beles Tailrace Tunnel (Ethiopia). The new 8,07 m diameter DS Universal TBM utilized for the tunnel excavation was manufactured by SELI S.p

  • CIM
    Environmental considerations in tailing disposal

    By G. W. Poling

    This paper evaluates current environmental protection legislation, guidelines and criteria, focusing mainly on the land and water disposal of mill tailings. Effluent criteria and regulatory mechanisms

    Jan 1, 1979

  • TMS
    Thermodynamic Modeling Of Desilversing Of Lead Bullion By Zinc During Lead Refining

    By Pengfu Tan

    A thermodynamic model has been developed to model the desilverising process of lead by the addition of zinc during lead refining, whereby silver-zinc solid solutions are formed, and floats out of the

    Jan 1, 2005

  • SME
    Explosion Phenomenology In Jointed Rocks -New Insights-

    By F. E. Heuze

    This article deals with the effects of high-explosive and nuclear explosions in rock masses. We first highlight the strong influence of geological discontinuities, such as joints and faults, on ground

    Jan 1, 1991

  • SME
    Getting More From the Ore – 1995 Daniel C. Jackling Lecture

    By J. Burgess Winter

    It is an honor to present the lecture in honor of Daniel C. Jackling, the developer of the technology of copper mining that we continue to use 100 years later. He made a dramatic breakthrough in the e

    Jan 1, 1995

  • AIME
    Reservoir Engineering - General - A Mathematical Model of Repeated Steam Soaks of Thick Gravity Drainage Reservoirs

    By G. E. Perry, R. D. Seba

    The steam soak process is the most widely applied and most successful thermal supplemental recovery process in use today. This process, which consists of injection of steam in various quantities into

    Jan 1, 1970

  • CIM
    Dynamic Modeling and Virtual Prototype Simulation of the GAP-Oil Sands Interactions

    By Samuel Frimpong

    The interaction of oil sands with a ground articulating pipeline (GAP) system has been simulated with the dynamic model established in this work by combining the multi-body and soil dynamics with the

    May 1, 2004

  • SAIMM
    Optimisation Of Anglo Platinum?s ACP Acid Plant Catalytic Converter

    By M. K. Sichone

    Anglo Platinum?s Waterval smelting complex based in South Africa operates the Anglo Converting Process (ACP) that produces SO2 offgas. This SO2 offgas is treated in a double-contact, double-absorption

    Jan 1, 2009

  • ISEE
    Applying up-to-date Blasting Technology and Mine to Mill Concept in Quarries

    By Robert McClure, Frederic Leclercq, Ricardo Chavez

    With significant vibration control and fragmentation challenges facing them, the CBS quarry (department of the Nord) successfully integrated a technical partner and mine to mill optimisation to deal w

    Jan 1, 2007

  • NIOSH
    IC 7149 Marketing Of Barite ? Properties

    By Bertrand L. Johnson

    Barite, the natural sulfate of barium (BaSO4), is the most important barium mineral. Normally it is white (opaque to translucent), but impurities sometimes render it yellow, gray, blue, brown, red, or

    Jan 1, 1941

  • AIME
    Solution Mining Of Evaporites And Its Relationship To The Future Of Hydrometallurgy

    By Charles H. Jacoby

    The solution mining of evaporites has a history of approximately 5,000 years. The insitu leaching of metalliferous ore will have many of the same characteristic problems which have confronted industry

    Jan 1, 1974

  • SME
    Foamed Grout Controls Underground Coal-Mine Fire

    By Joseph J. Feiler

    Fires in underground coal mines are persistent problems anywhere in the world that coal is mined. Coal fires pose safety and health hazards in the form of mine subsidence, loss of energy reserves, de

    Jan 1, 2000