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Applications of Doubly Polished Sections to the Study of Ore Deposits
By P. Heald-Wetlaufer
Doubly polished sections (i.e., sections polished on both sides) allow insights into complex paragenetic relationships, the interpretation of which is essential to understanding ore-forming processes.
Jan 1, 1982
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Producing Commercial Products From Inorganic Wastes
By C. T. Philipp
Recycling of waste is much preferred over disposal. This paper discusses the Enviroscience, Inc. (ESI) process, now being commercialized by MetWool, Inc., to recycle hazardous wastes using an extracti
Jan 1, 1995
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Zinc Recycling Through The Modified Zincex Process
By G. Diáz
A basic technology coping with a wide range of secondary zinc sources has been developed. The process combines an electrowinning stage, a solvent-extraction unit and a leaching procedure. The acidity
Jan 1, 1995
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Process Evaluations For Uranium Recovery From Scrap Material
By B. R. Westphal
The Integral Fast Reactor (IFR) concept being developed by Argonne National Laboratory is based on the pyrometallurgical processing of spent nuclear metallic fuel with subsequent fabrication into new
Jan 1, 1992
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Methodology for Evaluating and Comparing Recycling Systems: A Case Study of Electroincs Recycling Systems
By Susan Fredholm, Randolph Kirchain, Jeremy Gregory
"Jurisdictions across the world have struggled to create and finance systems that can effectively collect and process electronics waste (e-waste). Many different system architectures have been propose
Jan 1, 2008
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The Influence of Grain Size and Mineralogical Composition on the, Leachability of Copper Concentrates
By F. E. Pawlek
Copper concentrates can be comminuted in an attritor within a very short time to a particle size of 1 - 0.1 um. Addition of sodium hydroxide enhances commninution. The concentrates, suspended only in
Jan 1, 1976
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Pollution to Power: A Case Study Of The Kennecott Sulfuric Acid Plant
By Steven M. Puricelli
Sulfuric acid plants associated with smelters, have historically been an overworked and often neglected pollution control device. They could do little more than manage the wide fluctuations in gas flo
Jan 1, 1998
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Desulfurization Kinetics Of Molten Copper Matte By Gas Bubbling
By Ho-Sang Sohn
The kinetic study on desulfurization of copper matte by gas bubbling was designed under the presumptions of lower FeO activity and of no slag formation, Copper matte with 59% Cu and 22.6% S in weight
Jan 1, 2003
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A study of the chlorine-aluminium interface
By Gudrun A. Saevarsdotti
For decades tile aluminium industry has been practicing gas treatment of aluminium melts. This treatment is of great importance because of its influence on 'impurity" and inclusion removal from t
Jan 1, 1996
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Some Aspects Of Duplex PACVD Hard Coating Onto Tools For A Hot-Work Application
By Vojteh Leskov?ek
The tribological load is the load on forging tools resulting from the relative motions between the plastically deformed workpiece and the die. In comparison to many other forming processes hot die for
Jan 1, 2006
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A CFD Application For Modeling Submerged Gas Injection In A Peirce?Smith Converter
By Jussi Vaamol
A commercial CFD-code was used to solve isothermal flow fields of gas and liquid in a Peirce-Smith converter. The model was validated with a 1/4 scale water model, and parametric study. Limits of the
Jan 1, 1998
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Synthetic Fuel Production Utilizing CO2 Recycling as an Alternative to Sequestration
By James O'Brien, Lyman Frost, Grant Hawkes, S. Elangovan, Manohar Sohal, J. S. Herring, Joseph Hartvigsen, Carl Stoots
"Pressing environmental and energy security concerns have brought much needed attention to economic production of hydrogen as the secondary energy carrier for non-electrical markets as well as to meet
Jan 1, 2010
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A State-of-the-Art Review of Solidification Modeling of Casting Processes
By G. Upadhya
Of late, solidification modeling has progressed considerably to emerge as a viable simulation tool for the foundry engineer. A wide variety of tools exist in the commercial market to cater to the vari
Jan 1, 1994
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Decontamination of Synthetic Solutions Containing Copper Ions Using Modified Barks
By I. Gaballah
Decontamination of synthetic solutions of copper acetate, chloride, nitrate and sulfate containing 10, 100 and 1000 ppm of copper, using chemically treated barks has been studied. Metal percent remov
Jan 1, 1993
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Selective Metal Recovery Using Biogenic Hydrogen Sulfide: Rio Tinto Mine, Nevada
By R. W. Harnmack
Hydrogen sulfide generated by the anaerobic respiration of sulfate-reducing bacteria was used to treat pH 2.2 water from the abandoned Rio Tinto copper mine in Nevada. The untreated water contained 55
Jan 1, 1994
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Copper Smelting by The International Nickel Company of Canada, Limited
By Staff
The uninitiated, first-time visitor to the Copper Cliff Smelter of The International Nickel Company frequently finds it strange that the world's largest nickel producing works is located at a sit
Jan 1, 1976
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A New Beginning for the Getchell Mine
By P. G. Mason
The Getchell property was mined for oxidized gold ore by underground and open pit methods from 1936 to 194.5, by which time known oxide ores were mined out. From 1945 until 1967 sulfide ores were mine
Jan 1, 1989
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Control of Ag Distribution in YBCO/Ag Composites
By Kazuhiro Nisizono, Takashi Kuroki, Nobuyuki Mori, Keisaku Ogi
"The improvement of critical current density and mechanical property is essential to the practical application of the superconductive oxides. A solidification technique is developed in this study for
Jan 1, 2000
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Use Of Solid Hematite To Fix Arsenic Contained In A Gas Phase
By A. González
Arsenic is one of the main contaminants present in Chilean copper concentrates and its abatement represents a challenge for the process metallurgy, particularly under the strong environmental requirem
Jan 1, 2003
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Optimization Of Flash Smelter Offgas Cooling And Cleaning
By Bengt T. Andersson
Outokumpu Consulting Engineers, Outokumpu Oy SF-02200 Espoo 20, Finland This paper describes experiences from some operating non-ferrous flash -smelters and focuses on the advances in smelter byprodu
Jan 1, 1983