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Smelter Off-Gas Cleaning Impact Of Gas Cooling Techniques On Smelter Dust Segregation
By J. P. Evans
The modem 'copper smelter today utilizes tonnage oxygen for smelting concentrates. ,generating a high strength S02 off-gas leaving the smelter vessel. This gas stream. which also contains any unr
Jan 1, 1992
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Hydrometallurgical Extraction Of Rare Earth Elements From Low Grade Mine Tailings
By Y. Yang, S. Peelman, J. Sietsma, Z. H. I. Sun
The rare earth elements (REEs) present in the Kiruna iron ore mine tailings are being considered as a new REE resource for the EU. These tailings, after beneficiation, contain approximately 5000 ppm o
Jan 1, 2016
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Influence of Organic Additives on Electrolytic Tin Deposition and Dissolution in Stannous Sulfate Electrolyte
By H. C. Roland Kammel
Stannous sulfate electrolytes are widely used nowadays in electrolytic tin production. Characteristic features of this electrolysis process are that dense cathode deposits can only be obtained by addi
Jan 1, 1985
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Thermodynamic Modeling of Molten Metal Systems
By R. G. Reddy
The Margules .equation is used for interpreting excess Gibbs energy of several ternary systems. In the present study activity coefficient of 'a dilute solute, 2, in a binary solvent 1-3 was deriv
Jan 1, 1996
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Horizontal Directional Solidification of Zn-Al Alloys
By Marco Zurco, Claudia M. Mendez, Alicia E. Ares, Carlos E. Schvezov, Carlos M. Rodriguez
"Zinc-Tin alloys were solidified in horizontal form and the obtained results were analyzed. During solidification the distribution of temperatures were measured by using thermocouples located strategi
Jan 1, 2012
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Thermodynamic Modeling of Molten Metal Systems
By S. R. Reddy, R. G. Reddy
"The Margules equation is used for interpreting excess Gibbs energy of several ternary systems. In the present study activity coefficient of a dilute solute, 2, in a binary solvent 1-3 was derived. Th
Jan 1, 1996
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High-Temperature Cyanide Leaching of Automobile Catalysts In A Process Development Unit
By R. J. Kuczynski
The U.S. Bureau of Mines operated a 2,000-9 (4.4-lb) batch process development unit for recovering platinum-group metals (PGM) from automobile catalysts. Virgin monolith, used pellet and used monolith
Jan 1, 1993
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Characterization Of The Phase Composition Of Nanosized Lithium Titanates Synthesized By Inductive Thermal Plasma
By Gervais Soucy, François Quesnel, Pierre Hovington, Wen Zhu, Karim Zaghib, Jocelyn Veilleux
The properties of lithium titanates anodes in Li-ion batteries are highly dependent on their secondary constituents. While their main phase is usually constituted of Li4Ti5O12, significant quantity of
Jan 1, 2015
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In-Situ Monitoring of the Sintering Process with Non-Contact Electromagnetic Acoustic Transducers
By James C. Foley
In-situ characterizations of green state part density and sintering state have long been desired in the powder metal community. Recent advances in non-contact electromagnetic acoustic transducer (EMAT
Jan 1, 2001
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Bacterial Heap Leaching Of Covellite
By Sergio Bustos
Covellite resulting from an original 0.5 % Cu(tot) chalcocite ore has been leached in columns at different temperatures, in the lower range of 10 - 20 °C, under acid - ferric bacterial leaching condit
Jan 1, 1999
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Gold Recovery from Refractory Sulfidic-Carbonaceous Ore Part I: Biooxidation-Heap Pretreatment.
By J. A. Brierley
A biooxidation-heap pretreatment process was field tested to evaluate enhancing gold recovery from a preg-robbing sulfidic carbonaceous ore. Newmont Gold Company's Gold Quarry sulfidic carbonaceo
Jan 1, 1995
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International Domination and Conflicts Viewed from Metal Resources: A Historical Review
By T. Shoji
"The human history is characterized by social development based on mineral and energy resources, and many conflicts to take the resources by power. This is shown by not only world wars but also many l
Jan 1, 2000
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Kinetics Of Gaseous Reduction Of Manganese Ores
By Rodney J. Ishak
The reduction of Mn3O4 to MnO has been investigated in a thermobalance apparatus. The charge was composed of manganese ore (decomposed by heating/calcination or pre-reduction to mainly Mn304) and coke
Jan 1, 2003
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Flow Visualization and Temperature Measurements Close to the Arc Attachment Zone of a Laboratory Scale DC Arc Furnace for Slag Cleaning
By Adrian C. Deneys, David G. C. Robertson
"Fluid flow phenomena on the surface of a molten slag have been documented using video photography in a laboratory scale D.C. arc furnace. The flow on the surface of the slag appeared to be electromag
Jan 1, 1999
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Trace Metal Distributions in Nickel Slag Cleaning
By Niko Hellstén
To capture efficiently the valuable trace metals from nickel slag using electric furnace, it is important to study their distributions between the slag and metallic phases in the furnace. It is imposs
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Preliminary Investigations on the Effects of Particle Size and Tip size in the Current Activated Tip-based Sintering (CATS) of Nickel Powder Compacts
By K. Morsi, S. K. Kassegne, A. El-Desouky, K. S. Moon
"Current Activated Tip-based Sintering (CATS) is a new process for the powder-based fabrication of macro, micro and possibly nano-scale features and shapes. This new and unique process enables selecti
Jan 1, 2011
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Oxidation of Copper Matte Particles Under Simulated Flash Converting Conditions
By Kirsi M. Riihilahti
The oxidation characteristics of solid copper matte particles under simulated Kennecott-Outokumpu Flash Converting conditions are presented. This project is concerned with the determination of the eff
Jan 1, 1997
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Production of Zinc Oxide for Zinc Smelting Process From EAF Dust at Shisaka Works
By N. Tsuneyama
Sumitomo Metal Mining Company has been operating Waelz Kiln at the Shisaka Works for 12 years to recover zinc and lead from electric arc furnace (EAF) dust. To increase the capacity and cut down the o
Jan 1, 1990
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Bacterial Leaching of Low Grade Ores and Refractory Gold Ores by T. Ferrooxidans
By Zhang Yongzhu
Developments on bioleaching of low grade ores and refractory gold ores by T. Ferrooxidans in China are summarized. Effect of the ions on bacterial growth, bioelectrochemical reaction mechanism of sulf
Jan 1, 1992
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Low Melting Fluxes For Recycling Of Ai Scrap
Physical and chemical properties of the salt flux phase play a significant role in the recycling of UBC in Aluminum melting processes. Particularly knowledge of several properties such as salt vapor p
Jan 1, 1996