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Sensors for EMF Measurements in Molten Salt Electrolysis
By P. T. Velu, R. G. Reddy
"The use of emf measurements to derive classical thermochemical data has been in use for many years. The reaction associated with electrochemical process is harnessed in a galvanic cell and energy inv
Jan 1, 1997
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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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Rare-Earth-Based Hydrogen Storage Alloy for Batteries
By Itsuki Uehara, Hiroyuki T. Takeshita, Tetsuo Sakai, Nobuhiro Kuriyama, Hideaki Tanaka
"AB5 type hydrogen storage alloys (A: rare earths, B: transition metals) are extensively applied to a negative electrode of a nickel metal hydride (Ni-MH) rechargeable battery for portable electric eq
Jan 1, 2000
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Dry Granulation of Molten Blast Furnace Slag and Heat Recovery from Obtained Particles
By Xuewei Lv, Yuelin Qin, Guibao Qiu, Chenguang Bai
"Blast furnace slag (BF slag), is the main by-product in the ironmaking process, which contains large amounts of sensible heat. To recover the sensible heat, this paper described the hot experiments w
Jan 1, 2012
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Interfacial Characteristics of Squeeze-Cast Sic-Reinforced AZ91D Magnesium-Based Composites
By Graham J. C. Carpenter, Marc Charest, Jason Lo
"The method of producing magnesium-based composites with silicon carbide (SiC) particulates embedded in the matrix of magnesium AZ9I D alloy by the squeeze-casting technique are described. This method
Jan 1, 1996
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Cyanide Regeneration and Copper Recovery from Cyanide Solutions
By H. Soto, J. Jara, F. Nava
A method has been developed to recover cyanide and copper from solutions containing copper complexes and thiocyanate. Copper is precipitated as copper thiocyanate or as copper cyanide depending on pH
Jan 1, 1997
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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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TEM Analysis of Sulfur and Chlorine in Organic Concentrates from Carbonaceous Gold Ore
By Tseng. B. H.
Samples of unchlorinated and chlorinated carbonaceous concentrate from a carbonaceous gold ore were analyzed by transmission electron microscopy (TEM) for organically bonded sulfur and chlorine. The c
Jan 1, 1987
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Characterization of Fly Ash from a Municipal Solid Waste Incinerator
By John W. Graydon
Incineration is an attractive alternative to the disposal of MSW in landfill sites. However, the process of incineration generates fly ash which contains significant levels of leachable heavy metals -
Jan 1, 1992
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Fundamental Aspects on the Leaching of Gold in Halide Media
Halide media are considered as suitable alternatives to cyanide for extracting gold and have received much attention lately. The extraction of gold by iodide-iodine mixture has been patented and brief
Jan 1, 1992
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Design and Simulation of a Piezoresistive Mems Pressure Sensor for Marine Applications
By Shekhar Bhansali, Shyam Aravamudhan
"This paper reports on the design and simulation results of a silicon bulk-micromachined diaphragm-type piezoresistive pressure sensor capable of operating linearly over a wide dynamic range (0-1000 m
Jan 1, 2004
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Lead Sulfate Scale in a Copper Smelter Acid Plant
By J. M. Rapkoch
In late October 1996, an acid plant at a major U.S. copper smelter was faced with unexpected and rapidly increasing pressure drop across the gas cooling tower in the acid plant, indicating a build-up
Jan 1, 2000
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Thermodynamic Modeling of the Solid State Carbothermic Reduction of Chromite Ore
By Omid Marzoughi
Chromium has a wide range of applications, including as an alloy addition in various steels and also as a corrosion resistance coating. Carbothermal reduction of chromite ore (FeCr2O4) in a submerged
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The Influence of Aluminum on Indium and Tin Behaviour During Secondary Copper Smelting
By Katri Avarmaa
Aluminum and copper are large volume metals in electronic appliances, while tin and indium exist as common minor elements. All of these non-ferrous metals are aimed to be separated and recycled from t
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Modeling Of Electroslag Remelting of Ni-Cr-Mo Alloys
By Shawn A. Cefalu, Matthew J. M. Krane, Kent J. VanEvery
"Segregation during electroslag remelting (ESR) of a nickel-chromium-molybdenum alloy (Ni-8 wt% Cr-25 wt% Mo) has been modeled. Features of the model include species transport and AC electromagnetic e
Jan 1, 2004
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Capability of CO-H2H2S Mixtures to Carbidize Iron Ore Reduced at Elevated Temperatures
By Koji Matsubara, Yoshiaki Iguchi, Shoji Hayashi
Iron ore particles of a limonite iron ore were reduced completely with H2 at 1023K to 1273K in a fluidized bed. Then, at 973K, the formed iron was exposed to HrH2S mixtures (sulfur activity, as=0.5) f
Jan 1, 2000
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Surface Tension Of Acidic Copper Sulfate Solution Simulating Electrolytic Solution For Copper Electrolysis WithlWithout Addition Of Gelatin (Invited)
By Kazuteru Tozawa
Surface tension, density and viscosity coefficient of acidic copper sulfate solutions simulating electrolyte solution for electrolytic production of copper have been measured and are summarized as a f
Jan 1, 2003
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Zero Liquid Discharge Industrial Wastewater Treatment: Case Studies From 1976 To 1996
By J. Bostjancic
As wastewater discharge regulations become more stringent, power plants, manufacturing plants and other industrial sites are looking for ways to reduce makeup water requirements and to recycle and reu
Jan 1, 1996
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Electrochemistry of T. Ferrooxidans Interactions with Pyrite
By Batric Pesic
The interactions of mineral-pyrite with T. ferrooxidans were studied by using a cyclic voltametry technique. The interactions with bacteria were examined during the entire growth stage of bacteria (fe
Jan 1, 1991
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The Measurement and Analysis of the Kinetics of Hydride Formation in Bulk Metallic Samples
By Joseph Bloch
The hydriding of bulk metals and alloys is a gas-solid reaction in which a hydride product layer is initially nucleated adjacent to the gas-solid interface and continues to grow until a complete trans
Jan 1, 2002