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  • TMS
    A Direct Reduction Zinc Process

    By Lamar S. Todd

    The direct production of metal from a sphalerite concentrate is an attractive route for primary zinc. A series of operations and conditions have been selected to efficiently cause the following overal

    Jan 1, 1999

  • TMS
    Trace Element Analysis of Precious Metals in Minerals by Time-of-Flight Resonance Ionization Mass Spectrometry (TOF-RIMS)

    By Stephen Chryssoulis, Stamen Dimov

    Detection and quantification of precious metals (Au, Pd, Pt, and Rh) in spinels and silicate minerals is important for establishing the maximum attainable recovery by sulphide flotation. To achieve th

    Jan 1, 1999

  • TMS
    Development Of Countercurrent Solvent Extraction Processes For Treatment Of Highly Radioactive. Waste Streams? Using Centrifugal Contactors

    By J. D. Law

    The presence of long-lived radionuclides presents a challenge to the management of radioactive wastes. Separation of the radionuclides from the waste solutions has the potential of significantly decre

    Jan 1, 1999

  • TMS
    Atmospheric-Pressure Plasma Process And Applications

    By Peter Kong

    This paper provides a general discussion of atmospheric-pressure plasma generation, processes, and applications. There are two distinct categories of atmospheric-pressure plasmas: thermal and nontherm

    Jan 1, 2006

  • TMS
    Zinc-A Possible Component In Lead-Free Solders (Keynote) (eeb8536d-aa40-42f4-a0cf-853c0a6fdb6d)

    By Mikula Adolf

    Lead-tin solders are commonly used in electronic packaging due to their unique combination of electrical, chemical, physical, thermal and mechanical properties. Since it is known that lead and lead co

    Jan 1, 2003

  • TMS
    Zinc-A Possible Component In Lead-Free Solders (Keynote)

    By Adolf Mikula

    Lead-tin solders are commonly used in electronic packaging due to their unique combination of electrical, chemical, physical, thermal and mechanical properties. Since it is known that lead and lead co

    Jan 1, 2003

  • TMS
    Melt Atomisation The Bridge From Pyro? To Hydro-Metallurgy

    By John J. Dunkley

    Recent years have seen the increased use of hydrometallurgy in the smelting and refining of metals. However this is often used as a final refining step, following an initial pyrometallurgical smelting

    Jan 1, 2003

  • TMS
    Brief Overview Of The Baia Mare Dam Breach

    By Frederick W. DeVries

    The author was invited by "60 Minutes Australia" to provide on-site technical background on cyanide, mining, and the environment, in their investigation of the January 30, 2000, spill at the Aurul go

    Jan 1, 1998

  • TMS
    Ion Interaction Models for Co, Ni, Cu, Zn and Fe

    By KNona C. Liddell

    The ion interaction model Pitzer proposed twenty years ago is today the most widely used method for calculation of osmotic coefficients and electrolyte and single ion activity coefficients in aqueous

    Jan 1, 1993

  • TMS
    Overall Reaction Kinetics Of Coal Injection Into Slags (Invited)

    By F. -Z. Ji

    Carbon injection into metallurgical slag is important in electric arc furnace (EAF) steelmaking for foamy slag practices and in nonferrous slag cleaning operations. The current publication presents ki

    Jan 1, 2003

  • TMS
    An approach for scaling arsenic removal from smelter gases using iron oxides

    By Balladares V. Eduardo

    Most of the arsenic contained in copper concentrates is removed in the gas phase during the smelting and converting processes and, according to recent environmental regulations, it is required to fix

    Jan 1, 2005

  • TMS
    Thermal Study and Metallographic Characterization of Zn-20%Ai and Zn-20%Ai-Io%Si-3%Cu Alloys Directionally Solidified

    By Alicia Esther Ares

    This study was conducted to investigate the directional solidification of Zn-20%A1 and Zn20% A1-1O%Si-3o/oCu alloys under different conditions of heat transfer at the metal/mould interface. The type o

    Jan 1, 2008

  • TMS
    Kinetics of Oxychlorination of Chromium (III) Oxide

    By I. Gaballah

    The kinetics of oxychlorination of pure CI-2O3 with C12+02 gas mixtures is studied by ThermoGravimetric Analysis (TGA) in non and isothermal conditions up to 1000 °C. The reaction of Cr2O3 with C12+O2

    Jan 1, 1997

  • TMS
    Electrodeposition of Thin Multilayer Magnetic Materials

    By K. C. Liddell

    "Cu/Ni multilayers exhibiting giant magnetoresistance were deposited from a single electrolyte under stepped potentiostatic control. To enable transport measurements to be made without remounting the

    Jan 1, 1997

  • TMS
    Treatment of Arsenic Sulfide Sludge for Arsenic Stabilization and Copper Extraction

    By Jianxin Zhang

    A process, in which arsenic in the residue is transformed directly into scorodite and copper dissolves into the solution simultaneously, was studied. The process was carried out in acidic ferrous sulf

  • TMS
    Development of Bismuth Smelting Technology in China

    By Jun Li, Lin Chen, Tian-zu Yang, Wei-feng Liu, Wan-da Bin

    "The Chinese bismuth production accounts for more than 80% all over the world in 2011. The main raw materials of bismuth smelting are bismuth concentrate and by-products of Cu or Pb smelting process.

    Jan 1, 2013

  • TMS
    The Ecuprex® Process for Production of High Purity Cathodes from Copper Scrap Without Smelting Operation

    By M. Opler

    Presently, only a few large copper refineries are able to produce Grade A cathodes from copper scrap. Today's technology needs large plants for smelting, converting or refining the main impuritie

    Jan 1, 1995

  • TMS
    Microbes for Biohydrometallurgy

    By Henry L. Ehrlich

    This survey compares bioleaching and biobeneficiation by autotrophic bacteria with that by heterotrophic bacteria and fungi Some physiological principles are reviewed. Advantages and disadvantages of

    Jan 1, 1991

  • TMS
    Development of Process Design for Coral Bay Nickel Project

    By N. Tsuchida

    Sumitomo Metal Mining Co. Ltd. (SMMC) is currently developing the flowsheet to treat stockpiled limonite, a type of laterite ore, at Rio Tuba on southern Palawan Island, Philippines. The new plant wil

    Jan 1, 2004

  • TMS
    Thermodynamics Of Removal Of Tramp Elements From Steel Scrap (Invited)

    By Fumitaka Tsukihashi

    Increasing amounts of steel scrap are being used as resources for steelmaking. Therefore, there has been a growing interest in the removal of harmful tramp elements such as antimony, zinc, tin, arseni

    Jan 1, 2003