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Environmental Impact Of A Metallurgical Complex In Soil Contamination ? A Case Study
By A. Cullaj
During a period of 15 years the metallurgical and chemical complex of Elbasan containing more than 15 principal plants, producing cast-iron, steel, coke, nickel carbonate, nickel, cobalt, chromium and
Jan 1, 2006
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Vibration Damping of High-Chromium Ferromagnetic Steel
By B. M. Satish
The aim of the present work is to study the effect of annealing on the vibration damping capacity of high-chromium (16%) ferromagnetic steel. The alloys were prepared from raw materials of 99.9% purit
Jan 1, 2009
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Molten-Salt Electrolysis Of Neodymium From A Chloride Electrolyte
By M. F. Chambers
Neodymium metal was electrowon from a molten-chloride electrolyte at 650° C using a molten-metal cathode. A 50 mol pct NdC13-50 mol pct KC1 mixture served as the electrolyte. Binary metal alloys of &a
Jan 1, 1989
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Selenium Distribution Between Molten Copper and Na2O-B2O3 Slags
By S. Tandon
Equilibria studies of selenium distribution for sodium-borate slags were initiated at 1473k under reducing condition as a function of slag composition and alloy composition. The Se distribution coeffi
Jan 1, 1992
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Outokumpu Flash Smelting N2 in Flash Furnace Blast
By W. G. Davenport
This chapter extends our mathematical description of flash smelting to -nitrogen in the flash furnace blast. As in chapters 4 and 5, the discussion is limited to auto thermal smelting (no hydrocarbon
Jan 1, 2001
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Metallic and Ceramic Nanocomposite Powders via Chemical Routes
By K. E. Gonsalves, G. M. Chow
"Nanostructured powders (particle diameter of 1 - 100 nm) have uses in electronic, magnetic, structural, thermal applications as well as advanced processing of materials. Among many methods of making
Jan 1, 1994
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Experimental Verification of C.A.S.T.
By Manfred K. Walther
"Tests were conducted on instrumented plates cast in the Abex Experimental Foundry to compare recorded solidification histories with results computed for corresponding models simulated with the C.A.S.
Jan 1, 1986
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Fate Of Sulphide Sulphur In Bacterial Oxidation Of Sulphide Minerals
By H. Kandemir
An experimental study of the bacterial oxidation of naturally occurring high-purity sulphide minerals (FeS2, Fe1-xS, Cu5FeS4, ZnS) is presented using a mesophilic strain of T. ferrooxidans. As well as
Jan 1, 1985
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Degradation of Cyanide Utilizing Facultative Anaerobic Bacteria
By Donna M. Noel
Bacterial strains have been cultivated from solids previously exposed to cyanide that will tolerate 300 ppm sodium cyanide under anaerobic conditions. In selected solid samples, these bacteria have be
Jan 1, 1991
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Recycling, Waste Treatment, and Clean Technology: A Terminological Approach
By Georgeta Rata, Cornelia Petroman, Ioan Petroman
"Proper training and education in the field of recycling and waste treatment are inconceivable without the proper teaching of the terminology specific to both recycling (aerospace products recycling,
Jan 1, 2008
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Evaluation Of Acid Treatment On Brown Bentonite
By C. G. Bastos Andrade, V. F. Justo, F. R. Valenzuela-Diaz, M. G. S. Valenzuela, C. M. Matos, C. Volzone
For industrial use, the smectite clays are usually treated with inorganic acid of high concentration at temperatures under boiling point, which provide the bentonite´s bleaching power. In the present
Jan 1, 2015
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Rapid Synthesis of Ultrafine WC-Co Cemented Carbides by In-situ Reactions and Spark Plasma Sintering
By Wenbin Liu
A novel route for rapid synthesis of ultrafine WC-Co cemented carbides with homogeneous binder phase distribution is reported. The composite powder is produced by in situ reduction-carbonization react
Jan 1, 2008
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Pressure Water Leaching Molybdenum And Nickel From Mo-Ni Ore Of Black Shale Without Reagent
By Chang Wei, Zhigan Deng, Minting Li, Cunxiong Li, Xingbin Li
A direct hydrometallurgical process of extraction molybdenum and nickel from molybdenum-nickel ore by pressure water leaching without reagent was studied. The extraction of Mo and Ni from molybdenum-n
Jan 1, 2014
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Ionic Liquid Electro-Deposition Of Reactive Metals
By James Vaughan
Ionic liquids are solvents of interest for applications such as electro- plating, winning and refining of metals. Of particular interest is the possibility of processing reactive metals such as alumin
Jan 1, 2006
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Sodium Stannate Preparation From Cassiterite Concentrate And Sodium Carbonate By Roasting Under A Co/Co₂ Atmosphere
By Yuanbo Zhang, Zhixiong You, Zijian Su, Bingbing Liu, Guanghui Li, Guang Yang, Tao Jiang
Sodium stannate is widely used in the electroplating and tin alloy industry. But the traditional processes for sodium stannate production are characterized by long flowsheet, high production cost and
Jan 1, 2014
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Research on Recovery of Valuable Metals in Waste Acid from Copper Smelting Flue Gas Acid-Making and Reduction and Harmless Treatment of Solid Wastes
By Yan Wen
For the impurities in the copper smelting waste acid, SO3, Cu, As, Pb, Zn, Re and other elements enter the waste acid and generate a lot of arsenic residue, gypsum and neutralized residue, in which Cu
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A Study of Pelletization of Manganese Ore Fines
By Tiejun Chun, Jian Pan, Deqing Zhu, Vinicius Mendes
"Fine manganese fines are characterized by large amount and low price compared to lump manganese ores. However, fine manganese must be agglomerated as EAF (electric arc furnace) feed. In this paper, h
Jan 1, 2011
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The Extraction of Metals from Industrial Hazardous Wastes and the Production of a Non-Hazardous Residue
By LuisW. Pommier
The industrial wastes generated by the plating industry, the circuit board manufacturing industries and other related industries normally contain high concentrations of metals, which make them hazardo
Jan 1, 1998
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Moisture Dependent Dielectric Properties And Microwave Drying Behavior Of Zirconium Hydroxide
By Xuemei Zheng, Aiyuan Ma, Yonggang Zuo, Jinhui Peng, Shiwei Li, Libo Zhang
The effect of moisture content on the dielectric properties and microwave drying behavior of zirconium hydroxide was studied by using an open-ended sensor dielectric measurement system at the frequenc
Jan 1, 2015
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Numerical Approaches for Modeling Filling in Polymer Molding Processes
By S. Peng, Vaughan R. Voller
"Free boundary problems are a common occurrence in materials processing operations. An important example is the filling of material into molds. This paper looks at filling problems associated with pol
Jan 1, 1994