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  • TMS
    Effect of Different Parameters on Synergistic Separation of Nickel and Cadmium from Sulfate Solution Using D2EHPA and Cyanex 302

    By Ehsan Vahidi, Fereshteh Rashchi, Ataollah Babakhani, Alireza Zakeri

    "The synergistic effect of Cyanex 302 on solvent extraction of nickel and cadmium from sulfate solution with D2EHPA diluted in kerosene was investigated with the aim of increasing separation efficienc

    Jan 1, 2012

  • 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
    Charactarisation of Corrosion Properties of Za-27/ Quartz Metal Matrix Composites

    By Uchil Jayagopal, P. V. Krupakara, S. Manjunath

    "This paper deals with the corrosion characterization of quartz particlate ZA-27 alloy metal matrix composites (MMCs). Quartz particles of size 50-80 microns are used as reinforcement. MMC's are prepa

    Jan 1, 2000

  • TMS
    CaF2-H2SO4 Leaching of a Manganese Silicate Ore

    The U.S. Bureau of Mines investigated CaF2-assisted H2SO4 leaching to extract Mn from domestic silicate manganese resources. A pyroxmangite ((Mn,Fe)Sio3) ore containing, in pct, 34 Mn, 23 Si, 3 Ca, an

    Jan 1, 1991

  • TMS
    Research on Raw and Beneficiated Minerals Systems for Steel Plant Refractories

    By R. E. Moore

    The lining systems currently in use in BOF furnaces, certain steel ladles, and the slag line of electric are furnaces were developed during the late seventies through the mid-eighties using a trial an

    Jan 1, 1991

  • TMS
    Recent Modifications And Operation Of the Acid Plant At Naoshima

    By T. Ueno

    Naoshima Smelter & Refinery of Mitsubishi Materials Crop. commissioned a new Mitsubishi continuous copper smelter in May 1991. Process offgas volume of the conventional reverberatory furnace line, one

    Jan 1, 1992

  • TMS
    Flow and Settling Phenomena in Matte Smelting Electric Furnaces

    By A. Andreas Hejja

    Flow of slag and settling of matte in slag resistance electric furnaces are discussed in conjunction with furnace geometries, stirring action of the electrodes, buoyancy and electromagnetic effects. T

    Jan 1, 1996

  • TMS
    Rigs From Iron Containing Dusts & Sludges

    By Christopher M. Moore

    DK Recycling und Rohelsen GmbH converts 380 000 annual tonnes of iron containing waste materials Into pig Iron. Zinc Is the main reason that these materials are classified as waste. The materials are

    Jan 1, 1995

  • TMS
    Recycle Of Tankhouse Solutions At Cerro Copper Products Electrolytic Copper Refinery In Sauget, Illinois

    By John L. Sundstrom

    Complete systems were designed -and are in operation to recycle the effluent streams and to remove impurities from tankhouse. electrolyte, Heavy em¬phasis was placed on making usable products from as

    Jan 1, 1992

  • TMS
    Rate and Mechanism of the Reduction of Multi-Valent Iron Oxide from Slag

    By D. E. Woolley

    The rate of reduction of iron oxide from calcia-silica-alumina slag by carbon in liquid iron has been measured over the temperature range 1400-1600°C by monitoring the rate of carbon monoxide (CO) evo

    Jan 1, 1998

  • TMS
    Processing of Spent Catalysts by Selective Chlorination

    By I. Gaballah

    Spent hydrorefining catalysts may contain 4 to 6 % of COO and/or NiO, 8 to 16 % of Moo3 and up to 10 % V205 generally supported by alumina. Raw samples are roasted in order to eliminate carbon, sulfu

    Jan 1, 1993

  • TMS
    Biological Separation of Phosphate from Ore

    By Robert D. Rogers

    The demand for phosphate will continue into the future, because phosphate is currently irreplaceable as a plant nutrient and in many chemical applications. Phosphate is not recycled, so the supply mus

    Jan 1, 1991

  • TMS
    Hydrolytic Precipitation of Nanosized TiO2 Phases for Use as Photocatalytic Sorption Media in Effluent Treatment

    By Konstantina Chalastara

    Mixed phase titanium dioxide (TiO2) nanoparticles synthesized through hydrolysis of TiCl4 solution at different conditions, namely concentration, pH, and residence time are characterized and evaluated

  • TMS
    A Minimum Pollution, Low-Energy Pyrometallurgical Process for Treating Chalcopyrite Concentrates

    By William R. Opie

    Considerable effort by extractive metallurgical research organizations has been devoted recently to developing pollution-free processes for treating copper sulfide concentrates. A number of hydrometal

    Jan 1, 1976

  • TMS
    The Use of Inorganic Peroxides as Accelerators for Gold Heap Leaching

    By S. P. Ball

    A major limitation to maximising the rate of gold extraction in commercial operations occurs as a consequence of the limited solubility of oxygen in cyanide liquors. The use of additions of solid inor

    Jan 1, 1989

  • TMS
    Modern Off-Gas Treatment Secures The Future Of Sulfide Smelting

    By Karl-Heinz Daum

    Outokumpu Lurgi Metallurgie GmbH, Oberursel, Germany ? give saleable by-products, ? not interfere with smelter performance, ? treat all gas streams simultaneously, and ? comply with environm

    Jan 1, 2002

  • TMS
    Analysis of Carbon Emission Reduction of China’s Integrated Steelworks

    By Hongxu Li, Pu Liu, Hao Bai, Daqiang Cang, Lihua Zhao

    "Coal, as the main energy in ferrous metallurgy, is consumed on a large scale and great amount of CO2 is emitted likewise. In this paper, a model, based on carbon balance, was developed for CO2 emissi

    Jan 1, 2011

  • TMS
    Electrolytic Zinc Recovery in the EMEW® Cell

    By P. A. Treasure

    The EMEW® cell has been developed to overcome a number of inherent limitations in conventional electrowinning technology, particularly the high cost and restricted process windows characteristic of co

    Jan 1, 2000

  • TMS
    Volatilization of Zinc and Manganese From Natural and Synthetic Franklinite, Jacobsite and Willemite in a HCI/H2O Pyrohydrolytic Atmosphere

    By Edgar Peek

    Lixiviant regeneration is by definition a precondition for any hydrometallurgical process. In chloride hydrometallurgy either HCl or Cl2 has to be regenerated in order to establish an economically via

    Jan 1, 1995

  • TMS
    The Effect of Fluid Velocity of the Electrolyte on the Copper ElectrorefiningThe Effect of Fluid Velocity of the Electrolyte on the Copper Electrorefining

    By A. Tsubouchi, F. Noguchi, T. Takasu

    "A high current density operation is desired to improve the productivity in copper electrorefining. However, a lot of problems still remain such as passivation at anode, dendritic deposition at cathod

    Jan 1, 1997