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Characterizing the Role of Organic Additives in Copper Electrowinning
By C. Coetzee
Additives are commonly used in copper electrowinning to improve cathode morphology. Polysaccharides such as guar are generally favoured as additives due to their compatibility with solvent extraction.
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Combustion Enhancement of Copper Scrap Melting and Heating Using a New Generation Gas/Air/Oxygen Combustion Technology
By Thomas E. P. Wechsler
The limiting factor for most pyro-metallurgical processes in secondary cop- per melting is the time required to heat and melt the product. American Combustion's proprietary PYRETRON variable £uel
Jan 1, 1991
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Direct Sulfation Of Nickel Laterite Ores Using Sulfur Dioxide Rich Gases
By D. Papazoglou
This work was undertaken to investigate the thermodynamic and kinetic feasibility of using hot sulfur dioxide bearing gases from smelting processes to selectively sulfate the nickel in nickel laterite
Jan 1, 2003
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Optical Parameters Of Cds1-Ytey Thin Films
By Shadia J. Ikhmayies
CdSxTe1-x and CdS1-yTey solid solutions are usually formed in the interfacial region in the CdS/CdT thin film solar cells during the deposition of the CdTe layer and/or the processing steps of the dev
Jan 1, 2015
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Use of Ash from the Incineration of Urban Garbage into Clayey Ceramic
By S. N. Monteiro, C. M. F. Vieira, A. P. N. M. de Sa, J. P. D. Vitorino
"This work has as its objective to characterize an ash waste and to evaluate its incorporation into a clay to produce bricks and roofing tiles. The waste is a type of fly-ash resulting from the incine
Jan 1, 2011
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Distribution Of Minor Elements Between Ni-S Melt And Al2O3-CaO-MgO Slag At 1873 K
By Hector Henao
To provide thermodynamic data for converting the nickel matte to liquid nickel, an experimental study was conducted in the phase equilibrium between the Ni-S alloy and the CaO-Ah03 based slag melted i
Jan 1, 2003
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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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NiModel ? A Thermodynamic Model And Computer Program Of Nickel Smelting And Converting Processes
By Pengfu Tan
NiModel, a thermodynamic model, database and computer program, has been developed to predict the distribution behavior of Ni, Cu, Co, Fe, S, O, As, Sb and Bi, and heat balance in the nickel pyrometall
Jan 1, 2004
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Characterization Of Iron-Bearing Dust Pellet In Composite Agglomeration Process (Cap)
By Yuanbo Zhang, Bingbing Liu, Zhuyin Chen, Xiao Kang, Chen Liu
Composite agglomeration process (CAP) is an effective method to utilize the iron-bearing dusts generated in the ironmaking plants, by which the dust percentage in the sinter feed can be increased up t
Jan 1, 2016
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An Overview Of The Metallurgy Of Nickel-Copper Matte Converting (Keynote)
By A. E. M. Warner
In co Limited has long and extensive experience in converting nickel-copper primary smelting mattes over a broad range of nickel/copper weight ratios and combined nickel-copper-cobalt contents. At the
Jan 1, 2003
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Investigation Of Coal Tar Pitch Binder For The Production Of Formed Coal Briquettes For Corex From High Volatile Coal Powder
By Qiang Zhong, Bin Xu, Qian Li, Wei Gao, Yongbin Yang, Yaxuan Wang
Lump coal with high volatility is used for providing heat and reductive gas, and ensuring permeability in COREX. However, it is apt to be pulverized in transport and storage process. Therefore, compre
Jan 1, 2016
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Effect Of P2O5 Or Na2O Addition On The Reaction Rate Of C02 Dissociation With FexO Containing Molten Oxides
By Hiroyuki Matsuura
The effects of P2OS or Na2O addition on the reaction rate of CO2 dissociation on the surface of FexO-base molten oxides was investigated at I 773K by isotope exchange method 1-6. The rate constant dec
Jan 1, 2003
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Radionuclide Removal from Ore and REE-Bearing Mineral by Leaching and Ion Exchange Separation
By Nicolas Reynier
The separation of radionuclide during rare earth element (REE) production is an important requirement for developing the Canadian REE mining industry. Separation of actinides from REE is often a large
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Fundamental Studies on Nickel Metallurgy in China
By H. Jiang, S. Yang
"The main processes for nickel metallurgy in China consist of electric arc furnace smelting to produce low grade nickel matte and converter to high grade nickel matte, grinding and flotation to separa
Jan 1, 1988
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A Dynamic Electrochemical Technique for the Measurement of Trace Amounts of Arsenic and Antimony in Molten Zinc
By T. E. Warner
In order to detect arsenic and antimony in zinc, various electrochemcial experiments were performed involving the electrochemical introduction of sodium atoms into molten zinc using a solid electrolyt
Jan 1, 1999
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Recycling of Li-Ion and Li-Solid State Batteries: The Role of Hydrometallurgy
By François Larouche
Since their commercialization in the early 1990s, lithium-ion batteries (LIBs) have become ubiquitous for powering a myriad of portable electronics. Their usage now extends to the automotive industry
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Recycling of Mn from Industrial Residue by Electrochemical Leaching
By P. Henry
A novel electrochemical cell has been developed for the recovery of MnO2 from residue of pyrolusite ore leading loaded with Fe, Al Ni, Co and Si impurities, This new process can be considered as an
Jan 1, 2000
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Assessment of Lithium Pegmatite Ore Bodies to Determine Their Amenability to Processing for the Extraction of Lithium
By G. Mark Aylmore
Various processes have been developed using a combination of elevated temperature and chemical treatment processing to recover Li from silicate minerals. To facilitate further process development, a c
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Experimental Investigation of Pyrometallurgical Treatment of Zinc Residue
By Minna Rämä
Iron containing leach residues like jarosite and goethite from electrolytic zinc production contain many valuable metals and harmful substances. These metals and substances should be removed in order
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The Effects of Niobium and Titanium on Tin Precipitation in Fe-Alloys
The paper describes the propensity of tin to form intermetallic compounds with microalloying elements such as Nb, Ti and aluminium, which are commonly used as additions to achieve particular combinati
Jan 1, 1999