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Laboratory Studies of In Situ Ammonia Leaching of Michigan Copper Ores
By William A. Hockings
This report describes the results of laboratory studies on leaching of copper ores.tlf These studies are the first step of a program for the investigation of in situ leaching of tabular, metalliferous
Jan 1, 1976
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Study on Preparation of High-Quality Synthetic Rutile from Titanium Slag by Activation Roasting Followed by Acid Leaching
By Guan-zhou Qiu, Shui-shi Liu, Yu-feng Guo, Tao Jiang
"The preparation of high-quality synthetic ruitle from electric furnace titanium slag was systematically investigated by activation roasting followed by acid leaching process. The results showed that
Jan 1, 2011
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Recovery & Separation of High Value -Plastics from Discarded Household Appliances
By D. E. Karvelas
Argonne National Laboratory is conducting research to develop a cost-effective and environmentally acceptable process for the separation of high-value plastics from discarded household appliances. The
Jan 1, 1996
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Radionuclide Surrogate Decontamination of Metal Using Electroslag Remelting
By David Melgaard
A significant emerging recycling, waste minimization problem stems from legacy waste from the nuclear weapons program and from production of power using nuclear fuel. Premium quality metals used in nu
Jan 1, 2003
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Flash Oxidation and Flash Reduction: A Comparison
By Nickolas J. Themelis
The flash oxidation and smelting of mineral sulfides is a very prominent metallurgical achievement of the second part of this century. Its initial industrial implementation owes much to the work of Pe
Jan 1, 1993
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CFD Modeling of Sintering Phenomena during Iron Ore Sintering
By Dieter Neuschiitz, Pengfu Tan
"In order to understand the sintering phenomena during iron ore sintering process, a CFD model of iron ore sintering has been developed, combining with the kinetics of 15 relevant chemical reactions w
Jan 1, 2004
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Tensile Behavior of Epoxy Composites Reinforced with Continuous and Thinner Ramie Fibers
By Frederico Muylaert Margem, Jarbas Bravo Neto, Sergio Neves Monteiro
"The mechanical behavior and the fracture characteristics of composites with DGEBA/TETA epoxy matrix reinforced with up to 40% in volume of continuous and thinner ramie fibers were evaluated by tensil
Jan 1, 2011
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Selective Roasting Of Complex Sulfide Material
By Ph. Cauwe
This paper presents the experience that NESA and MECHIM have gained about recovery of non ferrous and precious metals from complex sulfide materials. Processed materials are from natural deposits or
Jan 1, 1983
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Nickel Laterites of Central Dominican Republic: Part I. - Mineralogy and Ore Dressing
By E. W. Lithgow
Commercial volumes of nickeliferous laterite ores overlie part of a 90 km long belt of peridotites in central Dominican Republic. Protores are serpentinized harzburgites and dunites, with lesser serpe
Jan 1, 1993
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New Reactor Concepts For Direct Coal-Based Continuous Steelmaking (Invited)
By Noel A. Warner
Modern steelmaking is based on direct use of oxygen in high intensity batch reactors. A totally new approach is proposed in this paper, based on the view that pursuit of high intensity is unlikely to
Jan 1, 2003
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Separation of Iron (III) and Nickel (II) from Acidic Sulfate Leaching Solution of Molybdenum-Nickel Black Shale
By Zhigan Deng
Cooling crystallization was used to separate iron (III) and nickel (II) from acidic sulfate solution produced by leaching of molybdenum-nickel black shale. The effect of K2SO4 concentration, crystalli
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Processes For The Recovery Of Metals From Spent Hydroprocessing Catalysts
By Z. R. Llanos
This paper presents a review of industrial and experimental processes for the recovery of molybdenum, vanadium, nickel, cobalt and aluminum from spent hydrotreating or hydrodesulfurization catalysts.
Jan 1, 1995
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Hydrometallurgy of Chlorides: A Review of Recent Developments
By Dirk Verhulst, V. I. Lakshmanan
Why Chloride Hydrometallurgy?The most available, cheapest and best known reagent for treating ores and other raw materials for the metallurgical industry is sulfuric acid. Hydrochloric acid is second
Jan 1, 2011
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Composite Anode For Lead Electrowinning From Fluosilicic Acid
By Marion Dattilo
The search for an improved anode for the electrowinning of lead from fluosi1icic acid medium has led the U.S. Bureau of Mines to investigate composites. Polymer bonded metal oxide powders which may co
Jan 1, 1995
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Study on Improving the Strength of Copper Concentrate Pellets by Adding Binders
By Guohua Bai, Lin Zhang, Shan He, Xuling Chen, Min Gan, Xiaohui Fan, Yanbin Tang
"For reducing the dust content in flue gas during copper smelting in the Ausmelt, technologies and mechanism of strengthening the pelletizing of copper concentrate were studied. The results show that
Jan 1, 2013
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Separation of Uranium and Molybdenum in U–Mo Ore Alkaline Leach Liquor
By Meifeng Zhi
Separation of uranium and molybdenum in the alkaline leach solution of a U–Mo ore was studied. A process of acidification-solvent extraction-precipitation uranium and molybdenum was determined. The in
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Study On Preparing Ti6Al4V Alloys From V-Ti Bearing Beach Placers
By Huimin Lu, Zegao Sun, Zhijiang Gao
The traditional Ti6Al4V alloys were obtained by the smelting reduction of V-Ti bearing beach placer by rotary hearth furnace and aluminothermic reaction in laboratory. First, it gets he lp from combin
Jan 1, 2016
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Eddy Current Sensors for Monitoring the Nucleation and Growth of Cd0.955Zn0.045Te Bulk Crystals
By Kumar P. Dharmasena, Haydn N. G. Wadley, Bill W. Choi
"Non-contact eddy current sensing methods have been developed and applied to Cd0.955Zn0.045Te crystal growth to obtain a better understanding of the melt, solid nucleation, and the growth process. The
Jan 1, 1997
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An Electromagnetically Stirred Slurry Model For The Smelting Zone Of A Ferroalloy Furnace
By Ben Bowman
For certain ferroalloy furnaces, such as ferrochrome or ferromanganese, there is still doubt about the mechanisms operating under the electrode tips. In this paper a model is built that does not call
Jan 1, 2014
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The Escondida Process for Copper Concentrates
By Willem P. C. Duyvesteyn
A novel hydrometallurgical process for Escondida copper concentrates has been developed by The Minerals Laboratory of BHP. The Escondida Process consists of concentrate leaching, solution purification
Jan 1, 1993