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  • TMS
    Heavy Mineral Provenance Studies in the Iditarod and Innoko Districts, Western Alaska

    By T. K. Bundtzen

    Placer gold in the Iditarod and Innoko mining camps of western Alaska is derived from a suite of comagmatic, Late Cretaceous to Early Tertiary, alkali-calcic, meta-aluminous. volcanic-plutonic complex

    Jan 1, 1987

  • TMS
    ISASMELT™ Technology for Sulfide Smelting

    By Ben Hogg

    Since the development of the top-submerged lance (TSL) technology for copper and lead smelting by the cooperation of Mount Isa Mines (MIM), now owned by Glencore, and the Commonwealth Scientific Indus

  • TMS
    Preparation Of Monodisperse Rhombohedron-Type Nickel Oxalate Particles From A Highly Condensed Ni(OH)2 Suspension

    By Zhihong Liu

    Monodisperse micron size nickel oxalate particles with rhombohedron morphology were prepared from condensed Ni(OH)2 suspension by a novel gel-sol process proposed by one of the authors. Firstly, conde

    Jan 1, 2006

  • TMS
    Ore Microscopy -An Indispensable Tool for Beneficiation of Massive Sulphides of the Iberian Pyrite Belt

    By O. C. Gaspar

    The mineralogical and textural characteristics of the volcanogenic massive sulphide ores from the Aljustrel and Neves-Corvo deposits have been studied by ore microscopy techniques since 1977. Several

    Jan 1, 1991

  • TMS
    Removal Of Nickel From A Complex Chemical Process Waste: Results And Key Learnings

    By Jerry D. St. Clair

    A multidisciplinary team of scientists and engineers at Wont has been working to understand heavy metal contamination of DuPont process waste streams and technologies for abatement of these metals. As

    Jan 1, 1994

  • TMS
    Removal of Low Level Mercury from Aqueous Streams Using Silica Polyamine Composites

    By Edward Rosenberg

    The synthesis and characterization of silica polyamine composites modified with a variety of sulfur containing ligands is described. The two most successful ligands in terms of sulfur in-corporation a

    Jan 1, 2003

  • TMS
    Systematic Modelling of Heap Leach Processes for Optimisation and Design

    By Jochen Petersen

    Design and operation of heap leach processes are still largely based on,operator experience and rule of thumb. Although considered a low-cost, low-tech route for mineral extraction, the underlying phy

    Jan 1, 2002

  • TMS
    Problems With Elimination of the Main Impurities in the KGHM Polska Miedz S.A. Copper Concentrates from the Copper Production Cycle (Shaft Furnace Process, Direct Blister Smelting in a Flash Furnace)

    By Józef Czemecki

    Polish copper concentrates are characterized by high levels of impurities, particularly Pb and As. Two technologies are being used for copper concentrate smelting at KGHM Polska Meidz S.A., namely the

    Jan 1, 1998

  • TMS
    Factors Affecting the Utilization Potential of Gypsum Produced from Acid Neutralization

    By L. M. Luckevich

    Gypsum is a product from the neutralization of sulfuric acid by lime or limestone. This paper will discuss specifications for gypsum used in wallboard, cement and agriculture and the factors affecting

    Jan 1, 1996

  • TMS
    Designing The Leach System For Cerro Negro Ore

    By A. F. Kaczmarek

    Cerro Negro is an undeveloped ore body located at the Cerro Verde mine near Arequipa, Peru. The mineable reserve contains 70 Mt of oxide ore grading 0.532% copper. Mineralization is hosted in three di

    Jan 1, 1999

  • TMS
    Production Of Zrb₂-Tib₂ Ceramic Composite Powders By Shs

    By Ayşe Ece Yıldızçelik, Mehmet Buğdaycı, Onuralp Yücel

    ZrB2 and TiB2 are significant metal borides. They are being used in various industrial areas from space technology to nuclear industry owing to their physical properties such as high melting point, hi

    Jan 1, 2015

  • TMS
    Thermodynamic Properties of Equilibrium Phases in the Ag-Cu-S System Below 500 K: Experimental Study

    By Fiseha Tesfaye, Pekka Taskinen

    "Thermodynamics of the equilibrium phase assemblage Ago_9Cul.lS-Cu2-xS-CuS have been studied by an EMF -method. The ternary phase was synthesized from the pure Cu2S and Ag2S in vacuum furnace at high-

    Jan 1, 2014

  • TMS
    Electrolytic Salt Splitting for Sulfuric Acid and Caustic Recovery: Can It Be Cost-Effective?

    By Alexander Burns

    Electrolytic salt splitting is a technology where acid and/or base is regenerated from a neutral salt using membrane electrolysis. Recent advances in the understanding of brine treatment, membrane sta

  • TMS
    Sulfide Smelting: Thirty-Five Years of Continuous Efforts to Find New Value Adding Solutions

    By Alvear G. R. F. Flores

    It is now 35 years since the organization of the first sulfide smelting conference in 1983. Since then, the smelting base metals industry has experienced several changes driven by the necessity to imp

  • TMS
    Converting Of Low-Copper High-Sodium Mattes

    By C. Ek

    In bismuth metallurgy, low-copper high-sodium mattes are by-produced. Different charges containing mixtures- of crude mattes, oxidized matte, and/or copper sulfide concentrate and/or copper silicate o

    Jan 1, 1983

  • TMS
    A Study of Coal-Based Direct Reduction of Composite Binder Magnetite Preheated Pellets

    By Jian Li, Tiejun Chun, Jian Pan, Deqing Zhu, Vinicius Mendes

    "A study of the coal-based direct reduction behaviors of composite binder magnetite pellets was carried out in a simulating coal-based grate-rotary kiln process. It is shown that preheated pellets pos

    Jan 1, 2011

  • TMS
    Direct Smelting of Zinc Smelter Residues in the Electric Arc Furnace

    By W. K. Connor, O&apos

    Thermal Treatment Technology Division Albany Research Center, U.S. Dept. of Energy Oregon. This evaluation included a characterization study and direct smelting tests conducted in a bench-scale electr

    Jan 1, 2000

  • TMS
    Production of Ferromanganese Alloys from Silicomanganese Sludge and an Iron Source

    By M. Wallin

    Millions of tons of sludge from different metallurgical processes are produced worldwide annually, and the environmental impact of landfilling these often hazardous sludges stresses the need to unders

  • TMS
    An Overview of Research on AU & AG Recovery in Copper Smelter

    By Zhonglin Ye, Yifeng Shi

    "This paper has outlined forms of Au & Ag losses in copper smelting process and methods for increasing Au & Ag recovery, analyzed factors influencing Au & Ag recovery in copper converting process, pre

    Jan 1, 2013

  • TMS
    A Review on Application of Crown Ethers in Separation of Rare Earths and Precious Metals

    By V. I. Lakshmanan

    Crown ethers are gaining importance in separation technology specifically for rare earth elements (REE, La to Lu plus Y) and precious metals (Au, Ag, Pt, Pd, Rh and Ir) due to their specific binding a