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Enhancement Of Pyrometallurgical Teaching Using Excel Simulation Models
By Eric J. Grimsey
Steady state Excel models for a copper flash smelter and an iron blast furnace are used to enhance the teaching of pyrometallurgical smelting principles within a fourth year level process engineering
Jan 1, 2014
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Design, Construction, and Operation of Periodic Reverse Current Process at Tamano
By Tatsuzo Kitamura
The tank house of Tamano refinery, that started its operation in January, 1972, was constructed incorporating the application of Periodic Reverse Current (P.R.C.) from the outset of design works. In 1
Jan 1, 1976
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The Use of High Energy, High Flux, Pulsed Ion Beams for Rapid Thermal Surface Treatment
By G. Johnston, J. Greenly, R. G. Buchheit, D. C. McIntyre, R. Muenchausen, D. J. Rej, R W. Stinnett
"Rapid thermal treatment of materials using high energy, high flux, pulsed ion beams can produce modified surface layers with unique microstrutures and properties. High energy ions loose their energy
Jan 1, 1994
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Gold, Base Metals, and Alteration as Indicators of Ore at Depth; A Case History of Recsk, Hungary
By Geza Kisvarsanyi
Ore deposits composed of enargite, tennantite, gold, and pyrite have been mined in volcanic rocks of Oligocene age (35 m.y.) at Recsk, Hungary. Vertical and horizontal zoning of the alunitic-argillic
Jan 1, 1987
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Teniente Converter Technology at Caletones and Nkana Smelters
By Rolando Campos
The CODELCO-CHILE Teniente Converter Technology, is presently being applied in four Chilean smelters (Caletones, Chuquicamata, Potrerillos and ENAMI-Ventanas). A Teniente Converter is due to be used a
Jan 1, 1992
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Palladium-Coated Kieselguhr for Simultaneous Separation and Storage of Hydrogen
By Robert H. Hsu
Palladium finely dispersed in a substrate of kieselguhr, Pd/k for short, has been successfully used for hydrogen storage, separation and pumping for a number of years at the Savannah River Site (SRS).
Jan 1, 2002
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Removal Of Boron From Metallurgical-Grade Silicon By Applying CaO-Based Flux Treatment (69991582-ff84-4636-8187-0088ee11f2a6)
By Mitsuru Tanahashi
In order to develop an effective process for the production of from metallurgical-grade one (MG-Si), the oxidation removal of boron from molten MG-Si was investigated at a solar-grade silicon (SOG-Si)
Jan 1, 2003
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Full Scale Biological Treatment Of Heavy Metal Contaminated Groundwater
By André L. de Vegt
Soil and groundwater beneath a zinc production plant in The Netherlands are contaminated with metals and sulfate. To avoid contamination of nearby drinking water aquifers, a hydro-geological containme
Jan 1, 1995
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Structure Silicon Deposits Obtained by Electrolysis SiO2 in the Chloride-Fluoride Melts
By O. Chemezov, Yu Zaikov, A. Apisarov, A. Isakov
"Silicon deposits containing 99,9 wt.% of main component were obtained by SiO2 electrolysis from chloride-fluoride melts. The operating temperature was varied from 973 up to 1073 K. The conditions for
Jan 1, 2012
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Removal Of Boron From Metallurgical-Grade Silicon By Applying CaO-Based Flux Treatment
By Mitsuru Tanahashi
In order to develop an effective process for the production of a solar-grade silicon (SOG-Si) from metallurgical-grade one (MG-Si), the oxidation removal of boron from molten MG-Si was investigated at
Jan 1, 2003
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Computer Aided Design of Hybrid Plasma Reactors for Use in Materials Synthesis
By N. El-Kaddah, J. W. McKelliget
"A mathematical model for the analysis and design of hybrid plasma reactors for advanced materials synthesis is presented. The model is based upon a solution of the electromagnetic vector potential eq
Jan 1, 1988
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Solidification Modeling: Coupling of Solidification Kinetics in a Comprehensive Model with Fluid Flow and Heat Transfer for Cast Iron
By G. Upadhya
Considerable success has been achieved recently in modeling microstructural evolution during solidification of castings bthrough the coupling of macroscopic heat transfer with microscopic solidificati
Jan 1, 1992
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Effect of Process Parameters on Powdering Characteristics of Galvannealed Materials
By Shantanu Chakrabarti, Khursid Alam Khan
"Globally, the use of metallic coated steel sheets in the automobile industry is increasing. The sheet should have excellent formability, weldability, paintability and corrosion resistance. Since bare
Jan 1, 2012
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Novel Alkali Roasting of Titaniferous Minerals and Leaching for the Production of Synthetic Rutile
By Abhishek Lahiri, Animesh Jha
"A new technique for the selective separation of rare earths and impurities from lower grade titaniferous ores has been developed which will reduce the overall reduction in the energy costs, and there
Jan 1, 2009
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Magnesium Technologies -Present and Future
By Robert E. (Bob) Brown
Magnesium was discovered by Davy in 1808. The production processes as they exist are not economically competitive with aluminum The electrolytic magnesium process is divided into two steps; one to mak
Jan 1, 2001
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The Polymorph Transformations Of Antimony White In Hydro-Process
By Xiao Songwen
Based on the anion coordination polyhedron growth unit theory, the polymorph transformation mechanism of antimony white (Sb2O3) in hydro-process was investigated. The new findings had been verified in
Jan 1, 2003
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Study On The Industrial Production Experiments Of Zn-MnO2 Simultaneous Electrolysis
By Wenshan Zhang
The industrial production experiments on Zn, Mn simultaneous leaching, impurity removal and ZnMnO2 simultaneous electrolysis were carried out. The process flow, technical requirement and research resu
Jan 1, 2006
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Electrochemical Behavior Of Pb-Ag-Bi Alloys As Anodes In Zinc Electrowinning
By Zhong g. Shui-ping
A new type Pb-Ag (0.8wt%)-Bi (0~5.0wt %) alloy used as anode in electrowinning of zinc from sulphuric acid electrolytes was prepared. The electrochemical properties of this ternary lead alloys have be
Jan 1, 2008
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An Electrochemical And Chemical Study Of The Leaching Of Copper Sulfides In Acidified Ferrous Sulfate Solutions Sparged With An O2 - SO2 Mixture
By M. J. Perpich
Electrochemical and chemical leaching tests were carried out on chalcocite, covellite and chalcopyrite in acidified iron sulfate solutions sparged with a mixture of O2 - SO2. The gas mixture catalyzed
Jan 1, 1999
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Ferrous Calcium Silicate Slag To Be Used For Copper Smelting And Converting
By Akira Yazawa
The composition of ferrous calcium silicate slag is located on the tie line between FeOx and calcium silicates in ternary FeOx-SiO2-CaO system. This slag has never been used as copper smelting slag be
Jan 1, 1999