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  • TMS
    The Influence of Aluminum on Indium and Tin Behaviour During Secondary Copper Smelting

    By Katri Avarmaa

    Aluminum and copper are large volume metals in electronic appliances, while tin and indium exist as common minor elements. All of these non-ferrous metals are aimed to be separated and recycled from t

  • TMS
    Research on the Forecast Model of the Boron Removal from Metallurgical Grade Silicon by Slag Refining Based on GA-BP Neural Network

    By Shilai Yuan, Huimin Lu, Liyuan Zhao, Zhijiang Gao

    "A purification process was developed to removal impurity element boron from metallurgical grade silicon by electromagnetic induction slag melting. Vacuum melting furnace was used to purify boron in b

    Jan 1, 2014

  • TMS
    Aqueous Pressure Oxidation of Silver-Bearing Cyanide Refractory Concentrates in Acidic Sulfate and Sulfate-Iodide Media

    By G. Van Weert

    Refractory gold ores and auriferous concentrates containing silver tend to form refractory silver jarosites during pressure oxidation. Earlier work with pure Ag2S has shown that the addition of iodine

    Jan 1, 1994

  • TMS
    Technology For Processing Of Lead-Bearing Materials From Copper Metallurgy At KGHM Polska Miedz S.A.

    By Ryszard Prajsnar

    During copper production in shaft and flash smelting processes at KGHM Polska Miedz S.A., lead bearing material of sulfide, sulfate, and oxide character is generated in forms such as slime from shaft

    Jan 1, 2002

  • TMS
    Recent Operation at Naoshima with a Larger Mitsubishi Furnace Line

    By T. Shibaraki

    A new larger, more efficient and economical Mitsubishi furnace line at Naoshima was put into operation in May 1991. Naoshima Smelter had produced previously about 230,000 mtpy anode copper with two sm

    Jan 1, 1993

  • TMS
    Aging Process of Alloyed ADI

    By R. Elliott, H. Bayati

    "Effect of time and temperature on microstructure and mechanical properties of an austempered ductile iron, ADI, of composition 3.6%C, 2.6%Si, 0.4%Cu, 0.2%Mn are reported. Xray analysis and. microstru

    Jan 1, 2000

  • TMS
    Application of Solvent Extractions and Solvent-Impregnated Support to the . Treatment of Effluents from Electroless Nickel Plating Processes

    By Mikiya Tanaka

    This paper outlines our attempt to establish a recycle process of nickel in the spent baths and waste rinse water of electroless nickel plating plants using solvent extraction and solvent-impregnated

    Jan 1, 2003

  • TMS
    Copper Smelting In The 21st Century

    By Nickolas J. Themelis

    The role of copper in the economy will not diminish in the 21st century. Following the tenets of industrial ecology, production and use of copper must take into account both human needs and also how t

    Jan 1, 1999

  • TMS
    Oxygen-Flame Converting of Nickel Mattes

    By V. M. Paretsky

    Oxygen-flame converting of a solid ground matte containing heavy non-ferrous metals in a wide range of concentrations is one of the perspective trends meeting the demands of modern non-ferrous metallu

    Jan 1, 1993

  • TMS
    Germanium An Aqueous Processing Review

    By Roy J. M. van Lier

    In industrial aqueous solutions, germanium generally occurs in trace amounts amid high concentrations of other metals, such as zinc, copper and iron. Separation of germanium from these metals as well

    Jan 1, 1995

  • TMS
    Biooxidation of Copper Sulfides

    By Richard W. Lawrence

    Leaching of copper from sulfide minerals using biooxidation offers a potential route for copper recovery. Oxidation of . sulfide sulfur can proceed either; to sulfate or to elemental sulfur depending

    Jan 1, 1996

  • TMS
    Industrial Injection

    By Theo Lehner

    "During my first contact with industrial metallurgy as a summer vacation worker at the Steelplant at Luleå, Sweden, I came during a visit to MEFOS into contact with works of Prof. Worner caried out du

    Jan 1, 1996

  • TMS
    Investigation of Carbonic Anhydrase Assisted Carbon Dioxide Sequestration Using Steelmaking Slag

    By Simon Lekakh, Von Richards, C. Hank Rawlins, Kent Peaslee

    "Batch aqueous leaching and carbonation tests were conducted using industrial steelmaking slags to determine the effect of carbonic anhydrase enzyme as a catalyst. Calcium leaching is a strong functio

    Jan 1, 2009

  • TMS
    Kinetics of the Reduction of die Zinc Oxide in Zinc Ferrite with Iron

    By J. R. Donald

    Electric arc furnace (EAF) dust, which can be considered as a by-product of the steel recycling process, contains significant quantities of recoverable zinc and iron, as well as hazardous elements suc

    Jan 1, 1995

  • TMS
    Recovery of Valuable Metals from Lead Flue Dust by a Intergrated Process

    By Chao Li, Lim Hongxu, Yuyue Wang, Xie Yang

    "A intergrated process of sulfuric acid leaching, sodium chloride leaching, lead chloride crystallization, lead hydroxide synthesis and roasting was carried out for the recovery of lead, cadmium, copp

    Jan 1, 2014

  • TMS
    Thermodynamic Modeling of Oxygen Bottom-Blowing Continuous Converting Process

    By Songsong Wang

    Recently, replacing Pierce-Smith converting process with the oxygen bottom-blowing continuous converting technology has become a new research focus. Based on the principle of Gibbs free energy minimiz

  • TMS
    Technological Advances for Reducing Production Costs of Commodity Metals

    By Robert L. Stephens

    "It can be argued that one of the most important property of any material is cost, since this property detennines the applications for which a material can be considered. Despite growing demand and pr

    Jan 1, 2000

  • TMS
    Purification Of Rare Earths By Solvent Extraction

    By Nobuo Takahashi

    Effective solvent extraction media have been investigated for purification of rare earths. At first, a quaternary ammonium compound was studied. The counter anions of rare earths and organic dielectr

    Jan 1, 1995

  • TMS
    Parameters for Control and Optimization of Bioleaching of Sulfide Minerals (Invited)

    By H. Deveci

    Bioleaching/biooxidation is essentially a dissolution process with the involvement of acidophilic bacteria acting as the "catalyst" to accelerate the dissolution of metals from sulfide minerals. The c

    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