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Sintering Characteristics Of Iron Ores With Addition Of Laterite Nickel Ores
By Yapeng Zhang, Zhiwen Shi, Chaoquan Yao, Fei Wang, Xinyu Li, Jianliang Zhang
A great deal of iron ores which have special elements have been applied in the sintering process with the decreasing of high-grade quality iron ores resources. In this paper, the laterite nickel ores
Jan 1, 2015
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Modeling of Copper Converter Foamover and Operational Improvements
By Jared Ball, Darren Snashall, Paul Telford, Pengfu Tan, Ben Hogg
"The foamed converter charges were up to 3 8 per month in Xstrata Copper Smelter at Mount Isa. The issue of high converter foamover frequency had remained unsolved for many decades in Mount Isa. A the
Jan 1, 2011
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The Introduction of Electric Furnace Smelting Technology to Mufulira, Zambia
By I. S. Blair
The Mufulira smelter (1, 2,' 3, 4,) is one of three smelters situated on the Zambian Copperbelt to treat concentrates and other intermediate products produced in the area. Two mining companies,
Jan 1, 1976
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Leaching a Low-Grade Copper Sulfide Ore
By Brent W. Madsen
The acid-ferric sulfate leaching of low-grade sulfide copper mine waste provides more than 10 percent of the U.S. supply of new copper, but recoveries and leaching rates are very low. In Federal Burea
Jan 1, 1976
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Improved Short Coil Correction Factor for Induction Heating of Billets
By Ragnhild E. Aune, Mark William Kennedy, Shahid Akhtar, Jon Arne Bakken
"To determine the heating rate of billets using ‘short coils’, an appropriate correction factor must be applied to the theoretical relationship. In 1945, Vaughan and Williamson published a semi-empir
Jan 1, 2012
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Co-Cr-Mo Alloys Production by Self Propagating High Temperature Synthesis
By Onuralp Yiicel, Ozlem Okur, Murat Alkan
"In this study, Co-Cr-Mo alloys were produced using a mixture of Co304, Cr203 and Mo03 powders with Al powders by a Self-propagating high temperature synthesis process. SHS is a process of material sy
Jan 1, 2013
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Computing the Solidification of Molten Metals by Eddy Currents
By Minh H. Pham
This paper presents a technique for imaging the extent of solidification of molten metal flowing in a cooled pipe based on the concept of eddy currents. A 3D mathematical model, which relates the geom
Jan 1, 2001
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Studies on Coal in Pressure Leaching of Marmatite Concentrates
By Zhigeng Xu
Pressure leach of a Yunnan marmatite concentrates with adding coal as the elemental sulfur disperser was investigated. The experimental results show that the coal with carbon content higher than 70% i
Jan 1, 2008
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Mineralogical Comparison of Slick and Normal Drosses from the Doe Run Company Smelter at Herculaneum, Missouri
By Susanne Pignolet-Brandom
Reflected light microscopy, and scanning electron microscope energy dispersive spectroscopic analysis and backscatter electron images were used to determine if a "slick dross" with undesirable handlin
Jan 1, 1988
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Research on Effect of Recombination Action of Rare Earth Metals La, Ce and Y on Soil Enzymatic Activities
By Jinxia Nie, Yunnen Chen, Dachao Zhang
"Rare earth resources are strategic and non-renewable resources. But disordered exploitation on rare earth metals leads to resources waste, environmental pollution and ecosystem destroyed. In this pap
Jan 1, 2011
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Optimization of the Zinc Slag Fuming Process
By G. G. Richards
The zinc slag fuming process is used to recover zinc from molten iron-calcium silicate slags by treatment with pulverized coal and air. The rate of zinc fuming is controlled by the complex interaction
Jan 1, 1994
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KLS Process Development for Lead Smelting
By S. Suzuki, Y. Maeda, N. Wakamatsu
"A new pyrometallugical technology, named KLS process, has been developed by Dowa Mining at its Kosaka Smelter to smelt various kinds of lead raw materials.The process consists of clearly separated tw
Jan 1, 1988
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Effect of Heat Treatment on Surface Morphology and Crystallography of Zn and Zn-Fe Electrogalvanized Coatings
By M. M. Kim
As-electrogalvanized coatings of pure Zn, Zn-11% Fe, and Zn-18% Fe coatings were characterized in terms of initial crystal structure and surface morphology. Samples were then subjected to heat treatme
Jan 1, 1990
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Ultra High Temperature Rare Earth Metal Extraction By Electrolysis
By Antoine Allanore, Guillaume Lambotte, Bradley R. Nakanishi
Current industrial methods used for rare earth element (REE) extraction involve: 1) ore enrichment, 2) separation of rare earth oxides (REOs), 3) chlorination or hydrofluorination, and 4) individual e
Jan 1, 2015
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Challenges and Opportunities of a Lead Smelting Process for Complex Feed Mixture
By Christoph Zschiesche
Managing complex material streams within a lead smelting/reduction process has a long history at Aurubis. After modernization of the secondary lead smelter in 1991, Aurubis operates an electric furnac
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Influence of Surface Pressure and Slag Layer on Bubble Bursting in Degasser Systems
By Jacques Magnaudet, Julie Cranga, Didier Huin, Pascal Gardin
"With the aim of controlling steel grade in steelmaking reactors, IRSID and IMFT are developing a numerical description of the evolution of bubbles in the vicinity of a liquid steel/ slag interface. T
Jan 1, 2001
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Kinetics of Roasting of a Sphalerite Concentrate
By Omid Marzoughi
In this research, both the kinetics and the mechanisms of the roasting of a sphalerite concentrate from the Bafgh mining complex in Iran were investigated. The oxidation process was performed in a muf
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Top Submerged Lance Furnace Lining Cooling System Upgrade
By Allan MacRae
Freeport-McMoRan Inc. operates an ISASMELTTM furnace for the smelting of copper concentrate at the Miami Smelter in Claypool, Arizona. In May 2017, the furnace was restarted after incorporating newly
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Reduction of MnO-FeO-SiO2 Slags by Carbon-Saturated Liquid Iron
By José R. de Tenorio
The aim of the present work was to investigate the reduction process of MnO~FeO-Si02 slags by carbon-saturated liquid iron. The effect of the initial Mn content in the bath was explored. The initial M
Jan 1, 1996
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Physical Properties Data of Rock Salt for Use in Designing Nuclear Waste Repositories
By L. H. Gevantman
A program for the compilation of evaluated physical and chemical numerical properties data is being pursued at the National Bureau of Standards within the Office of Standard Reference Data. This progr
Jan 1, 1982