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Modeling Of Ladle Metallurgy In Steelmaking
By Gordon Irons, Kevin Graham, Krishnakumar Krishnapisharody
Ladle or secondary metallurgy in steelmaking is an essential process step for the production of high-quality steel. Professor David Robertson was a pioneer in the modeling of these processes, in parti
Jan 1, 2014
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Influence of Gravity on Monotectic and Eutectic Growth
By lchiro Aoi, Hideo Nakae, Makoto Yoshida, Makoto Ishino
"The influence 6f gravity on the microstructure of unidirectionally solidified Cu-Pb monotectic, Ag-Si and Fe-C eutectic alloys is studied. In order to examine the influence of gravity in a lg environ
Jan 1, 2000
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Thermodynamic Properties Of Several Ternary Zinc Alloys
By Sabine Knott
The thermodynamic properties of four liquid ternary zinc alloys, Au-Sn-Zn, Ag-Sn-Zn, AI-Sn- Zn and Cu-In-Zn were measured with an electromotive force (emf) method at three or four cross-sections with
Jan 1, 2003
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Preliminary Test Results on High Rate Compressible Media Filtration Promise Benefits for Leach Liquor Clarification
By A. Galvan
High rate compressible media filter (CMF) tests produced exceptional total suspended solids (TSS) removal at hydraulic loading rates ranging from 97.8 to 122.2 m/h. The compressible media is manufactu
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A Process for Continuous Titanium Production from Titanium Oxide
By K. Ono
A new process for extraction of titanium metal from its oxide is demonstrated. In this process, row material to be reduced is titanium oxide synthesized from ilmenite. The reducing agent is the Ca+CaC
Jan 1, 2001
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Study of CFD Codes in Modelling Two-Phase Flow in Ladle Systems
By T. Ahokainen, J. Pitkälä, J. L. Xia, A. Jokilaakso, J. Vaamo
"The aim of the present paper is to use the two CFD codes to model the two phase flow in a water model ladle with central gas injection. The codes examined are CFX and Phoenics. An Eulerian two phase
Jan 1, 1999
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Disposal Treatment Of Alternative CFC Gas(C2H2F4) Using Chemical Reaction With Metal Compounds
By Hideki Yamamoto
A new technology to convert fluoride gas (C2H2F4 : R-134a) contained in the exhaust gases from semiconductor manufacturing plants and refrigerators directly into a harmless substance have been establi
Jan 1, 2003
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Modelling Interacting Phenomena during the Solidification of Metals in the Casting Process
By G. Taylor, S. Bounds, G. Moran, M. Cross, K. Pericleous
"A variety of interacting complex phenomena takes place during the casting of metallic components. Here molten metal is poured into a mould cavity where it flows, cools, solidifies and then deforms in
Jan 1, 1999
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Disposal Treatment Of Alternative CFC Gas(C2H2F4) Using Chemical Reaction With Metal Compounds (b3e5c77c-6fd6-4a80-8fd7-188f7518e76b)
By Hideki Yamamoto
A new technology to convert fluoride gas (C2H2F4 ; R-134a) contained in the exhaust gases from semiconductor manufacturing plants and refrigerators directly into a harmless substance have been establi
Jan 1, 2003
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Study of the Rate Controlling Steps in the Removal of Magnesium Impurities in Hydrogen Assisted Magnesiothermic Reduction of TiO2 by Leaching
By Sayan Sarkar
HAMR (Hydrogen Assisted Magnesiothermic Reduction) process is a promising alternative route of titanium production, which is convenient due to reduction at relatively lower temperatures below 750 °C a
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Computer Simulation of Casting - Recent Development –
By J. D. Zhu, T. Ohmichi, H. Yasuda, S. Kashiwai, I. Ohnaka
"Since the casting process affects the properties of castings, its computer simulation has been greatly developed in the last decades. This paper presents our recent works, especially on mold filling
Jan 1, 2000
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Valley Leach Facility Design Considerations For Cyanide Containment
By Terry Mandziak
Typical leach mine operations recover gold values through the application of a dilute cyanide solution onto ore within an engineered facility. Key to the success of mining operations is the, containme
Jan 1, 1998
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Cyanide Polluted Solids A Combined Leachate And Solid Characterization
By Dorothée Proffit
Characterization of solids containing cyanides is carried out according to recommendations and standard guidelines. Most of these procedures are based on the analysis of leachates collected either on
Jan 1, 1998
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Rapid Synthesis of Ultrafine WC-Co Cemented Carbides by In-situ Reactions and Spark Plasma Sintering
By Wenbin Liu
A novel route for rapid synthesis of ultrafine WC-Co cemented carbides with homogeneous binder phase distribution is reported. The composite powder is produced by in situ reduction-carbonization react
Jan 1, 2008
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Thermodynamic Properties Of Several Ternary Zinc Alloys (cf7370a7-72fa-4817-befb-877905f2891c)
By Sabine Knoll
The thermodynamic properties of four liquid ternary zinc alloys, Au-Sn-Zn, Ag-Sn-Zn, AI-Sn Zn and Cu-In-Zn were measured with an electromotive force (emf) method at three or four cross-sections with a
Jan 1, 2003
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Thermodynamics of the Si-B-N System
By Chikabumi Yamauchi, Mitsuru Tanahashi, Toshiharu Fujisawa
"Thermodynamic properties of impurities in molten silicon are of prime importance in developing economical production methods of solar grade silicon. In the present research work, thermodynamic proper
Jan 1, 1998
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The Treatment Of Arsenic Bearing Ores, Concentrates And Materials With Alkaline Sulfide Hydrometallurgy
By C. G. Anderson
Throughout the world, there are many orebodies or materials which have significant value but also contain arsenic. As regulations on the transport, exposure, disposition and emission of arsenic have
Jan 1, 2005
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The Processing of Electric Arc Furnace Baghouse Dusts in the Tetronics Plasma Furnace
By P. Cowx
The carbothermic reduction of zinc oxide rich Electric Arc Furnace baghouse dust in the Tetronics transferred arc plasma furnace to produce a non-toxic slag and a metallic zinc product is described. I
Jan 1, 1990
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Kinetic Studies of Tank Degassing
By G. A. Irons, D. Guo, D. Angheiina
To produce low-carbon (<30 ppm) steel in the tank degassing process, a ladle of steel with an oxidizing slag is placed in a vacuum tank equipped with bottom bubbling. The kinetics of this process are
Jan 1, 2000
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Electrorefining Practice At Outokumpu Oy
By Olli Hyvärinen
The capacity of Outokumpu Pori Copper Refinery has been increased by 50 % to 70 000 t/a in the last five years by adopting periodic current reversal, reducing spacing and installing some new cells in
Jan 1, 1987