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  • TMS
    The Effect of High Gas Flowrates On the Performance of a Counter-Current Reaction' Launder (CCRL) Process for Metal Refining

    By K. Narayana Swamy

    Experimental results of 3-phase mixing in a physical model of a CCRL for metals refining, at high levels of bottom gas injection (up to a superfIcial gas velocity (Us) of 12.5 cm/min), are presented.

    Jan 1, 1996

  • TMS
    Solidification of EAF Stainless Steel Dust

    By Liyuan Chai, Bing Peng, Ji Peng, Di Yu

    "Electric arc furnace (EAF) stainless steel dust has been classified as a hazardous waste by various government regulatory agencies as it releases heavy metals to environment. The solidification of EA

    Jan 1, 2012

  • TMS
    Maintaining High Efficiencies While Increasing Current Densities

    By F. Begazo

    The most common approach to increase production in copper refineries is to increase current densities. However, if these increases are not well thought out beforehand and are not properly and effectiv

    Jan 1, 1999

  • TMS
    Optimization of the Reverb Furnace Slag Composition in the RTB BOR Serbia

    By Natasa Mitevska

    In order to ensure the minimal copper concentration in the reverb furnace slag, the graphical optimization method is used and the optimal slag composition of the reverberatory furnaces No.1 and No.2 i

    Jan 1, 2003

  • TMS
    Thermodynamic Analysis and its Application to Preparing Sm-Fe Alloy Oxide Precursor by Wet-Chemical Coprecipitation

    By Xue Ping

    Sm2Fe17 alloy is an important precursor for the preparation of Sm2Fe17Nx magnet, which possesses a higher Curie temperature, larger anisotropy field, better resistance to oxidation and thermal stabili

    Jan 1, 2008

  • TMS
    Current And Suggested Focus On Sustainability In Pyrometallurgy

    By P. J. Mackey, J. B. See, D. G. C. Robertson

    The production of iron and steel and non-ferrous metals by pyrometallurgical processes will remain a critical element in meeting the demand for materials in both developed and developing nations. Give

    Jan 1, 2014

  • TMS
    Solvent Extraction Of Rare Earths Using Pulse Columns

    By H. Y. Cheng

    A pulse column solvent extraction system was evaluated as an alternative to mixer-settlers for the separation and purification of rare earths. The column tested had an inside diameter of 44.5 mm and h

    Jan 1, 1992

  • TMS
    Distribution Of Precious Metals (Au, Pt, Pd, Rh And Ru) Between Copper Matte And Iron- Silicate Slag At 1573 K

    By Hector M. Henao

    There is an increasing trend in the copper smelters to recycle electronic materials, which contain relatively high concentration of precious metals. As a consequence, the amount of precious metals los

    Jan 1, 2006

  • TMS
    The Temperature Behavior And Microwave Thermo Gravimetric Analysis Characteristic Of Ammonium Paratungstate In A Microwave Field

    By Cheng Fang, Zhou Lie-xing, Peng Jin-hui, Guo Sheng-hui

    This article discusses the behavior of temperature and microwave thermo gravimetric analysis characteristic of ammonium paratungstate in a microwave field. Experimental results show that when 12g of m

    Jan 1, 2015

  • TMS
    Internal Friction and Three Dimensional Atom Probe Analysis of Bake Hardening Phenomenon in Ultra-Low Carbon Bake Hardening Steel

    By Lin Li, Wen Shi, Hua Wang

    "Specimens of the ultra-low carbon bake hardening steel were soaked for 1 min to 5 min, and then cooled by water quenching. The internal friction experiments were carried out to detect the spectra of

    Jan 1, 2011

  • TMS
    Recovery Of Vanadium From A High Ca/V Ratio Vanadium Slag Using Sodium Roasting And Ammonia Leaching

    By Xue Sun, Dengfu Chen, Yuting Chen, Mujun Long, Song Xu, Helin Fan

    In order to seek an effective extraction process for vanadium, the recovery of vanadium from a high Ca/V ratio vanadium slag was studied by sodium roasting and ammonia leaching. In the present paper,

    Jan 1, 2014

  • TMS
    A Rotary Arc Furnace For Aluminum Dross Processing

    By Michel G. Drouet

    Dross, a major by-product of all processes involving molten aluminum, forms at the surface of the molten metal as the latter reacts with the furnace atmosphere. It generally represents 1 to 5 wt% of t

    Jan 1, 1995

  • TMS
    Native Metals

    By Fathi Habashi

    While it is commonly known that the precious metals and to some extent copper occur in the native state, it is less known that mercury, iron, nickel, and cobalt do occur also in the native state; the

    Jan 1, 1993

  • TMS
    Corrosion Testing Of Chrome-Free Refractories For Copper Production Furnaces

    By M. D. Crites

    As part of a multi-year program for assessing the viability of chrome-free refractories in copper smelting, converting and refining furnaces, dynamic corrosion tests have been conducted on a series of

    Jan 1, 1999

  • TMS
    Sulfur Fixation at High Temperature Within the Copper Smelting Process

    By N. A. Warner

    Fundamental studies on the reaction of limestone or dolomite at high temperature with S02 are extended to the realm of large scale primary copper smelting. Whereas flue gas desulfurisation in the elec

    Jan 1, 1996

  • TMS
    Advances in Bromide Gold Leaching Technology

    By A. Dadgar

    The adsorption kinetics of AuBr4 on Dowex ® -21K ion-exchange resin were studied and found to be independent of the initial gold, bromine, and base metals concentrations. A commercially-available und

    Jan 1, 1992

  • TMS
    Modeling of Powder-in-Tube Wire Drawing Process for Manufacture of High Temperature Superconducting Wires

    By Murali Thirukkonda, Rahul Shah, Srinivas Tangrila, Shankar Rachakonda, Jan Kajuch, Arthur Gurson

    "High-temperature superconductors have potential for a variety of applications such as power generators, superconducting magnets for mine sweepers or ship propulsion motors, and magnetic levitation tr

    Jan 1, 1994

  • TMS
    Application of Natural Polymers for Removal of Heavy Metals from Aqueous Solutions: Sorption of Copper by the Modified Chitosan

    By Pesic. Batric

    A novel chitosan-pyridoxal-epichlorohydrin was synthesized and evaluated in our laboratories. The evaluation was achieved by performing kinetic and equilibrium studies of copper sorption. The paramete

    Jan 1, 1994

  • TMS
    Optimizing Cyanidation Parameters For Processing Of Blended Fort Knox And True North Ores At The Fort Knox Mine

    By John Hollow

    The Fort Knox Mine is an open-pit operation, located in Alaska, which started commercial production in March 1997. A conventional Mill processes 38,000 tpd of a low grade (1.0 g/t Au) free milling go

    Jan 1, 2003

  • TMS
    Hydrothermal Synthesis and Its Reaction Mechanism of K Type Zeolite From Coal Fly Ash Using KOH Solution

    By Norihiro Murayarna

    Hydrothermal synthesis of K type zeolite was carried out by using coal fly ash as a raw material and KOH as an alkali source. The change in various physical properties of the obtained zeolite, such as

    Jan 1, 2002