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  • TMS
    Properties and Constitution of Asbestos

    By Tibor Zoltai

    Asbestos is a generic term for industrially useful fibers recovered from exploitable deposits of the asbestiform varieties of five silicate minerals: chrysotile, anthophyllite, actinolite-tremolite, c

    Jan 1, 1989

  • TMS
    Copper Extraction From Smelter Flue Dust By Lime-Roast/Ammoniacal Heap Leaching (College of Mines and Earth Resources University of Idaho)

    By Zhi-biao Yin

    Copper smelter flue dusts often cannot be directly recycled to the smelting process and accumulate as hazardous wastes requiring environmentally acceptable disposal. Because of the limited amount of f

    Jan 1, 1992

  • TMS
    Thermochemistry of Thiocyanate Systems for Leaching Gold and Silver Ores

    By O. Barbosa F.

    The thermochemistry of the systems SCN-H2O, Au-SCN-H2O and Ag-SCN-H2O is discussed. Potential-pH diagrams at 25°C are drawn for each system considering several sets of concentrations of the species in

    Jan 1, 1989

  • TMS
    Process For Converting SO2 To Sulfur Without Generating Pollutants Through Reactions Involving BaS And BaSO4

    By Hong Yong Sohn

    Keywords: Barium sulfate, Barium sulfide, Environment, Kinetics, Pollutants, Sulfur dioxide conversion, Thermodynamics Nonferrous smelters and coal gasification processes generate sulfur dioxide st

    Jan 1, 2005

  • TMS
    Control Of Magnetite Formation During Slag-Making In Copper P-S Converter

    By Pengfu Tan

    Converter slag chemistry control has played an important role in optimizing converter operations. A thermodynamic model of copper P-S converter has been developed to predict the behavior of magnetite

    Jan 1, 2005

  • TMS
    Flash Converting of Chalcocite Concentrate at Inco's Port Colborne Pilot Plant

    In the new flowsheet for Inco Limited's S02, Abatement Project at the Copper Cliff, Ontario operations, a copper/nickel sulphide flotation concentrate will be flash smelted, then converted to Bes

    Jan 1, 1993

  • TMS
    The Mineralogy of Dross Produced During the Slow Cooling of Missouri Lead Bullion

    By Liming Wang

    One of the steps in the extractive metallurgy of lead is a refining process called drossing. Hot dross is mixture of impurity compounds that form on the surface during the cooling of lead blast furnac

    Jan 1, 1995

  • TMS
    Main Parameters On The Performance Of A Desulfurization Of Ferro-Nickel By Slag Reaction

    By M. Hochenhofer

    Keywords: desulfurization, mathematical model, slag reaction To produce ferroalloys like ferro-nickel for alloying purposes in a quality that meets the requirements of today?s steel industry, refi

    Jan 1, 2005

  • TMS
    The Application Of Six Sigma Methodologies To Improve The Quality Of Converter Slag At Atlantic Copper

    By Jesús Contreras

    Within its programme for continuous improvement and cultural change, Atlantic Copper has installed the Six Sigma methodology as a basic tool for the improvement of management techniques in all its pro

    Jan 1, 2005

  • TMS
    Environmentally Correct Jute Reinforced Polyethylene Composites

    By Sergio N. Monteiro

    Wastes generated by our society and the question on how to dispose them is, nowadays, a relevant matter of concern. The objective of the present work was to characterize the technical properties of co

    Jan 1, 2006

  • TMS
    Separation Of Copper And Cobalt From Nickel Sulphate Solution By Oranophosphorus Mixed Extractant

    By Chen Song

    Keywords: Mixed extractant, Copper, Cobalt, Nickel, Synergistic effect During separation process of copper and cobalt from nickel sulphate solution, the effects of constitutions and compositions o

    Jan 1, 2005

  • TMS
    Treatment of Radioactive Waste Solution Containing Ni, Co and Cs Obtained from the Dissolution of Purification Ionic Exchange Resins of a Nuclear Reactor Primary Cooling System and its Later Immobilization in a Ferritic Matrix

    By María Eugenia Castro, Silvia Galasso, Jorge Duca, Claudia Osuna, Ernesto Esparza

    "We present a procedure for treatment of non-active solutions equivalent to the solutions obtained from dissolution of ionic exchange resins used in purification of a nuclear reactor primary cooling s

    Jan 1, 2008

  • TMS
    Applications of Doubly Polished Sections to the Study of Ore Deposits

    By P. Heald-Wetlaufer

    Doubly polished sections (i.e., sections polished on both sides) allow insights into complex paragenetic relationships, the interpretation of which is essential to understanding ore-forming processes.

    Jan 1, 1982

  • TMS
    Design Of Supersonic Nozzles For Ultra-Rapid Quenching Of Metallic Vapours

    By M. N. H. Khan

    CSIRO has been experimenting with supersonic flows as a method of rapidly quenching metallic vapours. Cooling rates above 106 °C/s have been achieved. The supersonic flow conditions are achieved by ad

    Jan 1, 2006

  • TMS
    Preparation of Cadmium Ingot and Nickel Powder from Spent Cd-Ni Batteries

    By Chang-Dong Li

    Cadmium ingot and nickel powder were prepared by high-temperature distillation, solvent extraction and liquid phase reducing method with spent Cd-Ni batteries as raw material. The impacts of the tempe

    Jan 1, 2009

  • TMS
    Effect of Electrolytic Conditions on the Crystal Orientation of Electrodeposited Zinc

    By Norimasa Yamasaki, Masao Kurosaki

    "The effects of plating conditions on the crystal orientation of electrodeposited zinc were investigated by varying elecyrolyte flow rate and current density. Precipitation of the Zn (00 • 2) basal pl

    Jan 1, 2000

  • 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
    Oxygen Sprinkle Smelting At The Morenci Smelter

    By R. E. Johnson

    The No. 3 reverberatory furnace at Phelps Dodge. Corporation's Morenci, Arizona copper smelter first received oxygen from a new oxygen plant during October 1982 and began operation with oxygen-fu

    Jan 1, 1983

  • TMS
    Computer Modeling Of A Self-Reducing Agglomerate In A Shaft Furnace

    By José Carlos D?Abreu

    The Tecnored process is a new ironmaking technology, developed on a unique approach that combined empirical and theoretical knowledge backed by extensive tests carried out in a dedicated pilot-plant

    Jan 1, 2006

  • TMS
    The Use of Polymer Concrete in Acid Containment Equipment for Electrometallurgical Plant Practice

    By George J. Karcas

    "Non-ferrous metals such as copper, nickel, lead, zinc and precious metals are produced via the electrorefining and electrowinning processes. Apart from controlling electro-chemical conditions for the

    Jan 1, 1997