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The Role of Soluble Sodium Silicate for Enhancing Flotation Selectivity of Sulphides Towards Grade and Recovery Improvements: Example from a Cu-Sulphide Ore
By L. Xia
Sodium silicate(s), also known as “water glass”, are one of the oldest and most widely used industrial chemicals. Its first use in Canadian operations can be traced back to around 1925, which coincide
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Scheduling Model for Section of Sintering-Blast Furnace
By Daguang Lu
The section of sintering and BF (blast furnace) is very important in iron-making process. In practice, the scheduling is so extensive that three faults unfavorable to continuous product will be easier
Jan 1, 2009
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Chemsheet As A Simulation Platform For Pyrometallurgical Processes
By Pertti Koukkari, Nagendra Tripathi, Karri Penttilä, Justin Salmine
ChemSheet is a thermodynamic multi‐phase multi‐component simulation software, which is used as an Add‐in in Microsoft Excel. In ChemSheet, the unique Constrained Gibbs free energy method can be used t
Jan 1, 2014
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A New Bottom Gas Purging System for Stationary and Tilting Copper Anode Furnaces
By Goran Vukovic
The use of gas purging plugs in the copper industry is a widely used practice. They provide substantial improvements especially in anode refining furnaces, where savings in process time and energy are
Jan 1, 2014
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The Behaviour Of Polonium-210 In The Processing Of Tin-Lead Residues
By A. M. Strachan
Capper Pass & Son Limited Was, until its recent closure, the world's largest producer of tin from secondary materials including solder drosses, non-ferrous smelter flue dusts, tin based metal all
Jan 1, 1992
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A Mathematical Model to Study Filtration Efficiency of Ceramic Foam Filters
By A. H. Castillejos E., F. A. Acosta G.
Filtration is widely used as a terminal refining step for metals, particularly for the casting of aluminum alloys, but still more knowledge is required to understand how several factors affect the eff
Jan 1, 1999
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Parameters for Control and Optimization of Bioleaching of Sulfide Minerals (Invited)
By H. Deveci
Bioleaching/biooxidation is essentially a dissolution process with the involvement of acidophilic bacteria acting as the "catalyst" to accelerate the dissolution of metals from sulfide minerals. The c
Jan 1, 2003
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The Role of Titanomagnetite Composites in Gravity Separation of New Zealand Ironsands
By J. L. Watson
The composite nature of titanomagnetites found on the west coast of the north island of New Zealand is an important parameter in the beneficiation of the black beach sands for export to Japan. To inve
Jan 1, 1982
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Clayey Ceramic Incorporated With Powder from the Sintering Plant of a Steel-Making Industry
By S. N. Monteiro, C. M. F. Vieira, M. M. Ribeiro
"This work has as its objective to evaluate the effect of incorporation of the powder waste retained in the eletrostatic precipitator of the sintering stage from an integrated steel making plant on th
Jan 1, 2011
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Preparation Of Spherical Ultrafine Cobalt Powder By Polyol Reducing
By Sheng-hai Yang
The ultrafine, monodispersed, spherical cobalt powder has been fabricated by reducing cobalt hydroxide with glycol. It were investigated that the effect of NaOH concentration on the reaction rate and
Jan 1, 2006
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Application Of Molten Salts In Metals Production (Keynote) (Yazawa International Symposium)
By Brajendra Mishra
Molten Salt electrolytic processes offer unique opportunities to extract and refine metals where gaseous or metallothermic reduction, hydro metallurgical extraction and aqueous electrolytic methods ar
Jan 1, 2003
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Process Developments in the Cobalt Purification Circuit at Chambishi RLE Cobalt Plant of ZCCM, Zambia
By A. S. Rao
In the original roast-leach-electrowin (RLE) circuit at the Chambishi Cobalt Plant, commissioned in 1978, the separation of nickel and zinc from cobalt in aqueous streams was achieved by successive st
Jan 1, 1993
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Electrochemical Removal Impurity Of Nacl From Licl-Kcl Melts
By Bing Li, Miao Shen, Qiang Wang, Yuqi Chen
Electrochemical methods including cyclic voltammograms, square wave voltammograms, chronopotentiometry are applied to characterize the reduction potentials of Na+ and Li+ ions in LiCl-KCl melts. Accor
Jan 1, 2015
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Recovery Of Iron And Zinc From Blast Furnace And Basic Oxygen Furnace Dusts: A Laboratory Investigation
By S. M. Hay
The zinc content of blast furnace and basic oxygen furnace dusts is low compared with electric arc furnace dusts and it is generally not economical to treat the dusts to recover zinc. However, they ha
Jan 1, 1994
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Copper-Gold Cyanide Recovery Systems
By W. H. (Bill) Jay
The destruction of cyanide creates a significant impost on the financial returns of gold mines. These losses increase substantially when ores containing cyanide-soluble copper are treated. Failure to
Jan 1, 1998
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Production of an Ultra-Pure Fraction of ZnO by the Recycling of EAF Dust
By F. Garcia-Carcedo
This research aimed to develop a clean technology for the production of ZnO from residues generated by the steel making industry. Scientific and technologic parameters were both investigated in order
Jan 1, 2000
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Thermodynamic Properties Of Sulfur In Fe. Co. Ni. And Their Binary Alloys
By M. R. Baren
Unpublished results obtained by Baren on thermodynamic properties of sulfur in liquid Fe. Co. Ni. Fe-Co. Fe-Ni. and Co-Ni are reevaluated. correlated. and interpreted on the basis of recent developmen
Jan 1, 1983
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Polymer-Stabilized Supported Liquid Membranes
By Yuchun Wang
In principle, supported liquid membranes could be an exceedingly elegant separation process. However they tend to fail by displacement and emulsification of the organic solution in the pores, which al
Jan 1, 1998
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Phase Diagrams of FeO-Containing Slags Derived from Activity Measurements
By A. McLean, Y. Uchida, M. Iwase, M. Myochin, K. Wiikimoto
"Phase diagrams of FeO-containing ternary systems could be derived from experimental data for the activities of FeO. The systems investigated are CaO-CaF2-FeO, SrO-SrF2-FeO; BaO-BaF2-FeO, CaO-CaCl2-Fe
Jan 1, 2000
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Synthesis. Characterization And Ion Exchange Of New Na / Nb / M4+/ O / H2O (M = Ti, Zr) Phases
By May Nyman
Due to the vast diversity of chemical media in which metal separations are executed, a wide range of ion separation materials are employed, This ,results in an ongoing effort to discover new phases wi
Jan 1, 1999