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Designing The Leach System For Cerro Negro Ore
By A. F. Kaczmarek
Cerro Negro is an undeveloped ore body located at the Cerro Verde mine near Arequipa, Peru. The mineable reserve contains 70 Mt of oxide ore grading 0.532% copper. Mineralization is hosted in three di
Jan 1, 1999
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Variance And Heterogeneity In Melt Samples From Industrial Ferro-Alloy Furnaces
By Jacques J. Eksteen
Any effort to improve the metallurgical control of industrial furnaces employed in the primary extraction of high carbon ferroalloys are bound to fail unless the variability of the melt is not fully a
Jan 1, 2006
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Converter Modernization And Operational Improvements At The Pirdop Smelter
By William A. Enrico
Umicore acquired the Pirdop Smelter in a privatization offering by the Bulgarian government in September 1997. Since that time, an investment program has been conducted to increase capacity to 225 00
Jan 1, 2005
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Flash Furnace Optimization
By W. G. Davenport
A flash furnace can be run many different ways. It can, for example, be operated with: (a) highly 02"enriched, ambient temperature blast and no fossil fuel (b) considerable fossil fuel and hot, sl
Jan 1, 2001
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Effect Of Retrogression And Reaging Treatment On Stress Corrosion Cracking Resistance Of 7075 Aluminum Alloy
By Murat Baydogan
Effect of retrogression and reaging treatment on hardness and stress corrosion cracking resistance of 7075 aluminum alloy was investigated. As received 7075 alloys in T6 temper condition were retrogre
Jan 1, 2006
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Controlling Of Foaming Phenomena During Copper Blow In Copper P-S Converter
By Pengfu Tan
Xstrata Copper at Mount Isa in Australia has operated one copper Isasmelt furnace and four P-S converters. The phenomena of foaming occur in above 10% of converter operations. A thermodynamic model of
Jan 1, 2006
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Precursor synthesis of fibrillar nanocrystalline nickel powder
By WU Jian-hui
Keywords: metallic material, precursor synthesis, precipitation, nickel, fibrillar powder The composition and morphology of the precursor of fibrillar nanocrystalline nickel powder prepared by oxa
Jan 1, 2005
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Characterization of Sodium and Bath Penetration in Industrial Graphitic and Graphitized Cathodes
By Jilai Xue
Experiments with various industrial cathodes ranging from 35 wt.% to 100 wt.% graphitic and fully graphitized carbons were carried out in a laboratory aluminum electrolysis cell. Sodium and cryolite b
Jan 1, 2010
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Sustainable Development Considerations in Primary Copper Smelting
By Krishna Parameswaran
This paper discusses sustainability considerations in primary copper smelting using selected examples of practices at ASARCO LLC, an integrated U.S. primary copper producer. Using the classic Brundtla
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Gold Leaching From A Refractory Gold Concentrate By The Method Of Liquid Chlorination
By Chao Li, Shuai Wang, Hongxu Li, Lifeng Zhang, Xie Yang
The method of chloride-hypochlorite leaching has the advantages of short process, low pollution and higher in reaction rate compared with the traditional leaching method. In this research, NaCl - NaCl
Jan 1, 2015
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Influence of TCP Phase on Enduring Property of Single Crystal Nickle-Based Superalloys
By Tian Sugui
By means of the measurement of the enduring property and microstructure observation, an investigation has been made into the influences of the element Re and TCP phase on the enduring property of the
Jan 1, 2010
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A Study on Heat Transfer Coefficient Distribution in High Pressure Hydrogen Quenching
By Bowang Xiao
Recently more and more attentions are paid to high pressure hydrogen quenching (HPHQ) for its advantages such as environmental friendliness, low distortion, etc, compared to oil and water quenching. I
Jan 1, 2010
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Phase Transformation Of Andalusite And Its Impacts On Refractory Brick Reinforcement
By Bowen Li
Andalusite is an excellent raw material for refractory applications due to its high aluminum oxide content and phase transformation to mullite at high temperature. Granular andalusite in particle size
Jan 1, 2006
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Study On Tin And Zinc Recovery And Pellet Preparation For Blast Furnace From Iron Concentrate Containing Tin And Zinc
By Yuanbo Zhang
Keywords: Complex Iron Ores, Roasting, Tin, Zinc, Pellets, Comprehensive Recovery. The complex iron ores containing tin, zinc are typical refractory ores. Large reserves of the ores are found in Ch
Jan 1, 2005
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Study on Selectively Separating Iron Constituents in Copper Smelting Slags
By Hongyang Cao
The iron constituents selectively separated from the modified copper slags by magnetic separation and flotation.were studied. The results of magnetic separation for modified copper smelting slags show
Jan 1, 2009
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Ion-Exchange Recovery Of Nickel And Cobalt From Metal-Organic Complexes Generated In Bioleaching Of Low Grade Nickel Laterite Ores
By A. Deepatana
Bioleaching of nickel laterite ores is based on the use of heterotrophic fungi organisms and their metabolites (organic acids) to dissolve nickel and cobalt from oxide minerals to form metal-organic c
Jan 1, 2006
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Reduction Kinetics Of Dusts And Pellets From Nickeliferous Laterite Rotary Kiln Treatment
By Emmanuel N. Zevgolis Ismene-Polyxeni Kostika
Keywords: reduction, kinetics, laterites, rotary kiln, dust In this work, the reduction kinetics of dust from nickeliferous Greek laterites is investigated. The dust is a by-product from laterite t
Jan 1, 2005
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Remediation Technologies For The Management of Aqueous Cyanide Species
By Courtney A. Young
Cyanide is a critically important chemical to the mining and metallurgical industry. It has a strong affinity for metals making it favorable as an agent for metal finishing and treatment as well as a
Jan 1, 1998
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Granulation Of Precious Metal Bearing Alloys And Slags
A molten metal granulator was designed and fabricated at the U.S. Dept. of Energy, Albany Research Center, for granulation of precious metal-bearing alloys and slags. The system was designed to safel
Jan 1, 2006
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The Direct Test Of Swell Stress For Geosynthetic Clay Liners
By Junfeng Shen
Geosynthetic clay liner (GCL) is a kind of waterproofing material used widely in engineering. The waterproof mechanism is understood in terms of bentonite particles becoming a water-obstructcolloid la
Jan 1, 2006