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  • TMS
    Mathematical Simulation of Fluid Flow in Gas-Stirred Liquid Systems

    By Shoji Taniguchi, Lifeng Zhang, Kaike Cai

    "In the present paper, based on the two-phase (Eulerian-Eulerian) model, the 3D fluid flows in gas-stirred systems, i.e., air-stirred water vessel and argon-stirred liquid steel ladle, are simulated.

    Jan 1, 2000

  • TMS
    Early Separation of Cerium from Mixed Rare Earths: A Review of Methods and Preliminary Economic Analysis

    By J. R. Goode

    There are at least a dozen methods of selectively removing cerium from a mixture of the rare earth elements (REE) including separation techniques based on the oxidation of cerium to the quadrivalent s

  • TMS
    Use Of Solid Hematite To Fix Arsenic Contained In A Gas Phase (a1830aa0-0655-4c7b-9285-5c686f229d80)

    By A. González

    Arsenic is one of the main contaminants present in Chilean copper concentrates and its abatement represents a challenge for the process metallurgy, particularly under the strong environmental requirem

    Jan 1, 2003

  • TMS
    Use Of Solid Hematite To Fix Arsenic Contained In A Gas Phase

    By A. González

    Arsenic is one of the main contaminants present in Chilean copper concentrates and its abatement represents a challenge for the process metallurgy, particularly under the strong environmental requirem

    Jan 1, 2003

  • TMS
    Flowsheets Development For Recovery Of Non Ferrous Metal Values From Secondary Resources By Solvent Extraction (39d0eedf-59da-482f-93e2-7ab07106593a)

    By T. K. Mukcherjee

    The importance of the processing of secondary resources such as solid industrial wastes and liquid effluents as well as byroducts for the recovery of the associated metal values hardly needs any elabo

    Jan 1, 1996

  • TMS
    Ten Years Of Catalyst Recycling; A Step To The Future

    By Andrew Case

    The Port Nickel facility in Braithwaite, Louisiana, is known for pioneering hydrometallurgical processes for the 'separation and recovery of nickel, cobalt and copper. Ten years ago, in 1985, a n

    Jan 1, 1995

  • TMS
    Sustainability In Ironmaking: The Rise Of Direct Reduction

    By Thomas P. Battle

    Modern-day direct reduction of iron first developed as a small-scale, low capital and operating cost alternative to the blast furnace. Since commercialization of continuous DR technology in the late 1

    Jan 1, 2014

  • TMS
    ULCOS: the European Steel Industry's effort to find breakthrough technologies to cut its CO2 emissions significantly

    By J. Borlée, J. P. Birat

    "ULCOS is a large European program launched by a consortium of 48 partners led by arcelor and a core group of steel producers, which was started in 2004 with the support of the European Commission (RF

    Jan 1, 2008

  • TMS
    Advanced Mixer Settler Designs That Will Optimize Tomorrow's Large Flow Production Requirements

    By M. Giralico

    Optimized mixer settler designs will now handle flows of over 25,000 GPM. The size and expense of the equipment hamper experimental settler optimization efforts. Computational Fluid Dynamics (CFD) is

    Jan 1, 2003

  • TMS
    Electrolytic Copper Refining Tank Room Data

    By John H. Schloen

    Copper refineries are constantly looking for methods to upgrade their plants to reduce refining costs and to improve the purity of their electrolytic cathodes at the same time that the purity of the a

    Jan 1, 1987

  • TMS
    The Heat Transfer Conditions on the Outside of a Sirosmelt Lance

    By C. B. Solnordal, R. N. Taylor

    "The heat transfer conditions on the outer side of a Sirosmelt lance have been determined using experimental measurements in combination with a mathematical model. By measuring the temperature distrib

    Jan 1, 1996

  • TMS
    Residence Time Distribution Analysis for a Pyrometallurgical Channel Reactor with a Combination of Ideal Reactors

    By Kumar M. Lyer

    Residence time distribution (RTD) of light and heavy liquids in a pyrometallurgical channel reactor was mathematically modeled by representing the reactor as a combination of ideal reactors. Cold mode

    Jan 1, 1993

  • TMS
    Statistical Thermodynamics - A Tool for Understanding Point Defects in Intermetallic Compounds

    By Regina Krachler, Herbert Ipser

    "The principles of the derivation of statistical-thermodynamic models to interpret the compositional variation of thermodynamic properties in non-stoichiometric intermetallic compounds are discussed.

    Jan 1, 1996

  • TMS
    The Use of Mixed Extractants in a Unique Membrane SX System for the Recovery of Copper from Acid Cupric Chloride Solutions

    By Ernt. W. D.

    A membrane based mixed extractant process was developed for selective removal of copper from waste acidic cupric chloride etchant solutions found in printed wire board manufacturing. The process uses

    Jan 1, 1998

  • TMS
    Current ,Commercial Sulphide Smelter Operations

    By V. P. Keran

    The lead and copper smelting processes employed by Mount Isa Mines Limited, Mount Isa, Australia, are used to illustrate an operating viewpoint of some problems and solutions encountered in existing c

    Jan 1, 1983

  • TMS
    Process and Engineering Considerations in the Pressure Leaching of Copper Refinery Slimes

    By James E. Hoffmann

    Oxidative pressure leaching is gradually supplanting other techniques for the decopperizing of slimes. The reasons for this include: much more rapid reactions, more compact equipment, a reduced enviro

    Jan 1, 2000

  • TMS
    Site Specificity Of Heavy Metal Adsorption On Goethite

    By KNona C. Liddell

    Goethite is an important naturally occurring sorbent for divalent heavy metals and has often been used as a model compound in studies of adsorption on oxide mineral surfaces. Surface complexation mode

    Jan 1, 1999

  • TMS
    Leaching Of Petroleum Catalysts With Cyanide For Palladium Recovery

    By P. L. Sibrell

    The U.S. Bureau of Mines has tested cyanide leaching for recovery of palladium (Pd) from spent petroleum processing catalysts. Three different catalyst samples were supplied by a spent-catalyst proce

    Jan 1, 1995

  • TMS
    Expansion Plans at CPM's Electrolytic Zinc Refinery

    By S. J. Thiele, T. Newton, W. Magalhäes, T. Takayama, J. Welsh

    Companhia Paraibuna de Metais (CPM) is presently pursuing a zinc production expansion project. Besides increasing production, the goal of the project is to address existing problems while providing a

    Jan 1, 2000

  • TMS
    Electrical Conductivity, Viscosity and Liquidus Temperature of Slags in Electric Smelting of Copper-Nickel Concentrates

    By A. A. Hejja

    The effect of composition on electrical conductivity, viscosity and liquidus temperature of the slags was investigated in the temperature range of 1300" to 1450°C. The synthetic slags containing CaO,

    Jan 1, 1994