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Dynamic Model for a Vapor Recovery in Carbo Thermic Aluminum Process
By B. Erik Ydstie, Tor Lindstad, Vianey Garcia-Osorio
"As a result of the high temperatures present in a Carbothermic Aluminum Process the content of aluminum and aluminum sub-oxide in the gases leaving this process is high. These gases as well as energy
Jan 1, 2001
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Kinetic Studies on the Deoxidation of Low Carbon Steel with Aluminum and Ferroaluminum
By Filippos Patsiogiannis
Laboratory size (4.5 kg) low carbon steel melts were deoxidized using Al and FeAl (33% Al), with and without synthetic fluxes, in alumina and zirconia crucibles. The dissolved oxygen, total oxygen, so
Jan 1, 1992
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Recent Progress In Thermal Ditfusivity Measurement Of Molten Oxides By The Laser Flash Method
By Hiromichi Ohta
Precise thermal properties of molten materials are essentially required for analyzing the metal production process. These properties are also important as a clue to consider the dynamic structure of l
Jan 1, 2003
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CFD Modeling of Solids Suspensions in Stirred Tanks
By Lanre M. Oshinowo, André Bakker
"An understanding of the parameters that govern the just-suspended impeller speed, Njs, and the distribution of solids, is critical to the efficient operation of hydrometallurgical and other processes
Jan 1, 2001
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Available Cobalt
By Bryce Clark
An outline of the current world's known sources and resources of cobalt, looking at both land and possible undersea deposits, is given as a prelude to an examination of current and historical act
Jan 1, 1993
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Process-Measurements of Present Copper Smelting in Japan
By Ryokichi Shimpo, Akio Fuwa
"The process-measurements of copper smelters in Japan were investigated for the summary of the latest technique and for the fundamental study of process control. The smelters investigated are those em
Jan 1, 1989
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Effects of Oxidation, Porosity and Fiber-Fabric Stacking Sequence on Flexural Strength of a Plain-Weave SiCf/SiC Ceramic Composite
By Peter K. Liaw, Charlie R. Brooks, David C. Joy, Wei Zhao
In this paper, effects of oxidation, porosity and fiber-fabric stacking sequence on flexural strength of a continuous silicon carbide fiber (SiCr) fabric-reinforced SiC ceramic-matrix composite (CFCC)
Jan 1, 1998
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A Marker Chain Front Tracking Method for Modelling Meniscus Dynamics in the Al Ingot Casting Process
By Stein Tore Johansen, Fionn Iversen, Jon Arne Bakken
"A new marker chain front tracking method is used for modelling the meniscus movement during DC casting of aluminium ingots. Modifications have been made to an earlier method developed by Popinet and
Jan 1, 2001
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Raman Spectroscopy Study of Ammonia Borane at Low Temperature and High Pressure
By Vadym Drozd, Yongzhou Sun, Shah Najiba, Jiuhua Chen, Andriy Durygin
"Phase transitions of the potential hydrogen storage compound, ammonia borane (NH3.BH3), was investigated using Raman spectroscopy and a diamond anvil cell at high pressures up to 9.5 GPa and low temp
Jan 1, 2012
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Recovery of Ilmenite from Venezuelan Black Sand
By Mariana H. Staia
The present communication reports the results obtained by applying different concentration methods, at laboratory level, to the black sands from Estado Bolivar, Venezuela, with the aim of obtaining an
Jan 1, 1995
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Ion Exchange Resin—Pilot and Resin Testing
By D. Donald Downey
Pilot Testing Ion Exchange Resin (IEX) can go from very simple beaker testing to complicated column testing. Space velocities, regenerant quantities, loading capacities, ion leakage, are all terms tha
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Mass Transfer Analysis for Pyrometallurgical Channel Reactors with High-Strength Bottom Gas Injection
By Kumar M. Lyer
The channel reactor for ferrous and nonferrous processing has been modeled as a combination of ideal reactors. Cold model studies simulated the counter-current flow of slag and matte (or metal) with h
Jan 1, 1993
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Viscosity Determination of the Freeze Slag in Reaction Shaft of Flash Smelting Furnace
By Chuanfu Zhang, Liwei Liang, Yanxin Wu, Jinliang Wang
"According to the reaction shaft operation characteristics during the flash smelting process, 15 groups of slag samples containing high Fe3O4 were prepared by some chemical reagents, and then the slag
Jan 1, 2012
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Antimony and Bismuth Control in Copper Electrolyte by Ion Exchange
By Katerina Kryst
Antimony and bismuth are two of the elements that need to be removed from copper electrolyte to ensure a trouble free operation as well as to maintain copper cathode purity. One method to control thes
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Calcination and Reduction of Laterite Nickel Ores
By Andreas Orth
Outokumpu Lurgi Metallurgie has developed a process for the calcination and reduction of laterite nickel ore tines where the reduction of iron and nickel to the wustite/metallic states respectively, i
Jan 1, 2004
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Steel in the Year 2000
By S. J. Hogan, T. William
"By the year 2000, the steel industry, not only in the United States but in the rest of the world, will undergo significant changes. On the other hand, there will be a number of areas in which change
Jan 1, 1988
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The New on-Line Detecting Method of Sintering Mix and its Basic Research
By Chao Li, Qian Li, Yong-bin Yang, Kai Li, Qiang Xie, Yuan-yuan Zhu, Dong-ye Li, Qi-bing Tan
"The permeability of sintering mix is a vital technological property in sintering process. However, it can only be measured by off-line method on samples picked from the production. In order to acquir
Jan 1, 2013
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Net Shape Manufacturing of a Novel Cermet Using Self-Propagating High Temperature Synthesis
By Francois Barthelat, Sam Goroshin, David Frost, Alexander Cappozi, Atefeh Nabavi
"In this study, a novel chromium–chromium sulfide cermet was produced by self-propagating high-temperature synthesis (SHS). Conventional techniques for manufacturing metal sulfides are complex, enviro
Jan 1, 2012
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Aqueous Biphasic Extraction Of Particulates: Controlling The Hydrophilic-Hydrophobic Balance For Separations
By K. Osseo-Asare
It is possible to form a two-phase system in certain polymerlinorganic salt/water mixtures, such as those containing the polymer polyethylene glycol (PEG). Such aqueous biphase systems have many of th
Jan 1, 1999
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Dynamic Thermal Simulation Study Of Copper Slag Dilution Under Direct Current Field
By Sun Ying, Zhang Jing, Li Qiuju
A new process of enrichment Cu in molten copper slag under electric field is presented in this article. The experiments were carried out in the laboratory on a kilogram scale. The mobility of copper s
Jan 1, 2016