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  • TMS
    Sintering Characteristics Of Iron Ores With Addition Of Laterite Nickel Ores

    By Yapeng Zhang, Zhiwen Shi, Chaoquan Yao, Fei Wang, Xinyu Li, Jianliang Zhang

    A great deal of iron ores which have special elements have been applied in the sintering process with the decreasing of high-grade quality iron ores resources. In this paper, the laterite nickel ores

    Jan 1, 2015

  • TMS
    Modeling of Copper Converter Foamover and Operational Improvements

    By Jared Ball, Darren Snashall, Paul Telford, Pengfu Tan, Ben Hogg

    "The foamed converter charges were up to 3 8 per month in Xstrata Copper Smelter at Mount Isa. The issue of high converter foamover frequency had remained unsolved for many decades in Mount Isa. A the

    Jan 1, 2011

  • TMS
    The Introduction of Electric Furnace Smelting Technology to Mufulira, Zambia

    By I. S. Blair

    The Mufulira smelter (1, 2,' 3, 4,) is one of three smelters situated on the Zambian Copperbelt to treat concentrates and other intermediate products produced in the area. Two mining companies,

    Jan 1, 1976

  • TMS
    Leaching a Low-Grade Copper Sulfide Ore

    By Brent W. Madsen

    The acid-ferric sulfate leaching of low-grade sulfide copper mine waste provides more than 10 percent of the U.S. supply of new copper, but recoveries and leaching rates are very low. In Federal Burea

    Jan 1, 1976

  • TMS
    Improved Short Coil Correction Factor for Induction Heating of Billets

    By Ragnhild E. Aune, Mark William Kennedy, Shahid Akhtar, Jon Arne Bakken

    "To determine the heating rate of billets using ‘short coils’, an appropriate correction factor must be applied to the theoretical relationship. In 1945, Vaughan and Williamson published a semi-empir

    Jan 1, 2012

  • TMS
    Co-Cr-Mo Alloys Production by Self Propagating High Temperature Synthesis

    By Onuralp Yiicel, Ozlem Okur, Murat Alkan

    "In this study, Co-Cr-Mo alloys were produced using a mixture of Co304, Cr203 and Mo03 powders with Al powders by a Self-propagating high temperature synthesis process. SHS is a process of material sy

    Jan 1, 2013

  • TMS
    Computing the Solidification of Molten Metals by Eddy Currents

    By Minh H. Pham

    This paper presents a technique for imaging the extent of solidification of molten metal flowing in a cooled pipe based on the concept of eddy currents. A 3D mathematical model, which relates the geom

    Jan 1, 2001

  • TMS
    Studies on Coal in Pressure Leaching of Marmatite Concentrates

    By Zhigeng Xu

    Pressure leach of a Yunnan marmatite concentrates with adding coal as the elemental sulfur disperser was investigated. The experimental results show that the coal with carbon content higher than 70% i

    Jan 1, 2008

  • TMS
    Mineralogical Comparison of Slick and Normal Drosses from the Doe Run Company Smelter at Herculaneum, Missouri

    By Susanne Pignolet-Brandom

    Reflected light microscopy, and scanning electron microscope energy dispersive spectroscopic analysis and backscatter electron images were used to determine if a "slick dross" with undesirable handlin

    Jan 1, 1988

  • TMS
    Research on Effect of Recombination Action of Rare Earth Metals La, Ce and Y on Soil Enzymatic Activities

    By Jinxia Nie, Yunnen Chen, Dachao Zhang

    "Rare earth resources are strategic and non-renewable resources. But disordered exploitation on rare earth metals leads to resources waste, environmental pollution and ecosystem destroyed. In this pap

    Jan 1, 2011

  • TMS
    Optimization of the Zinc Slag Fuming Process

    By G. G. Richards

    The zinc slag fuming process is used to recover zinc from molten iron-calcium silicate slags by treatment with pulverized coal and air. The rate of zinc fuming is controlled by the complex interaction

    Jan 1, 1994

  • TMS
    KLS Process Development for Lead Smelting

    By S. Suzuki, Y. Maeda, N. Wakamatsu

    "A new pyrometallugical technology, named KLS process, has been developed by Dowa Mining at its Kosaka Smelter to smelt various kinds of lead raw materials.The process consists of clearly separated tw

    Jan 1, 1988

  • TMS
    Effect of Heat Treatment on Surface Morphology and Crystallography of Zn and Zn-Fe Electrogalvanized Coatings

    By M. M. Kim

    As-electrogalvanized coatings of pure Zn, Zn-11% Fe, and Zn-18% Fe coatings were characterized in terms of initial crystal structure and surface morphology. Samples were then subjected to heat treatme

    Jan 1, 1990

  • TMS
    Ultra High Temperature Rare Earth Metal Extraction By Electrolysis

    By Antoine Allanore, Guillaume Lambotte, Bradley R. Nakanishi

    Current industrial methods used for rare earth element (REE) extraction involve: 1) ore enrichment, 2) separation of rare earth oxides (REOs), 3) chlorination or hydrofluorination, and 4) individual e

    Jan 1, 2015

  • TMS
    Challenges and Opportunities of a Lead Smelting Process for Complex Feed Mixture

    By Christoph Zschiesche

    Managing complex material streams within a lead smelting/reduction process has a long history at Aurubis. After modernization of the secondary lead smelter in 1991, Aurubis operates an electric furnac

  • TMS
    Influence of Surface Pressure and Slag Layer on Bubble Bursting in Degasser Systems

    By Jacques Magnaudet, Julie Cranga, Didier Huin, Pascal Gardin

    "With the aim of controlling steel grade in steelmaking reactors, IRSID and IMFT are developing a numerical description of the evolution of bubbles in the vicinity of a liquid steel/ slag interface. T

    Jan 1, 2001

  • TMS
    Kinetics of Roasting of a Sphalerite Concentrate

    By Omid Marzoughi

    In this research, both the kinetics and the mechanisms of the roasting of a sphalerite concentrate from the Bafgh mining complex in Iran were investigated. The oxidation process was performed in a muf

  • TMS
    Top Submerged Lance Furnace Lining Cooling System Upgrade

    By Allan MacRae

    Freeport-McMoRan Inc. operates an ISASMELTTM furnace for the smelting of copper concentrate at the Miami Smelter in Claypool, Arizona. In May 2017, the furnace was restarted after incorporating newly

  • TMS
    Reduction of MnO-FeO-SiO2 Slags by Carbon-Saturated Liquid Iron

    By José R. de Tenorio

    The aim of the present work was to investigate the reduction process of MnO~FeO-Si02 slags by carbon-saturated liquid iron. The effect of the initial Mn content in the bath was explored. The initial M

    Jan 1, 1996

  • TMS
    Physical Properties Data of Rock Salt for Use in Designing Nuclear Waste Repositories

    By L. H. Gevantman

    A program for the compilation of evaluated physical and chemical numerical properties data is being pursued at the National Bureau of Standards within the Office of Standard Reference Data. This progr

    Jan 1, 1982