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Opportunities for Biological Metal Recovery
By David S. Holmes
An overview of existing biological technologies for the recovery of copper and uranium is presented. Engineering and biological challenges and opportunities in these areas. are discussed. New opportun
Jan 1, 1991
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Ammonium Carbonate Leaching Of Reduced Electric Arc Furnace (EAF) Dust
By R. L. Nyirenda
One of the problems with ammoniacal-ammonium carbonate leaching of EAF carbon steelmaking flue dust is that zinc present in spinel phases is not leached. This paper presents results of test work in wh
Jan 1, 1992
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Developments in Base Metal Electrowinning Cellhouse Design
By Tim Robinson, Michael S. Moats, Masatsugu Moritmitsu, Kathryn C. Sole, Lauri Palmu, Frank K. Crundwell
"Process technology and design trends for copper, zinc, and nickel electrowinning cellhouses include focusing on energy reduction, productivity, and acid mist abatement. Larger electrodes, longer cell
Jan 1, 2012
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INCO?s Procedure For Controlling Warpage in Copper Moulds used for Anode Casting
By R. A. Roberti
Most copper refineries use conventional wheel systems to cast anodes. over a period of time the copper moulds that are used become warped and cracks develop. To control mould warpage, the mould's
Jan 1, 1987
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Recovery Of Gold From Thiosulfate Solutions And Pulps With Ion- Exchange Resins
By Michael J. Nicol
Growing environmental and occupational safety concerns about the use of cyanide in gold processing has increased the interest in more acceptable alternatives. The most likely of these is thiosulfate.
Jan 1, 1998
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Characterization Of Sintering Dust, Blast Furnace Dust And Carbon Steel Electric Arc Furnace Dust
By Shengli Wu, Fengjie Zhang, Feng Chang, Hua Lu, Kaiping Du
In order to make a complete understanding of steel plant metallurgical dusts and to realize the goal of zero-waste, a study of their properties was undertaken. For these purposes, samples of two sinte
Jan 1, 2015
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Recovery of Ilmenite from Venezuelan Black Sand
By Mariana H. Staia
The present communication reports the results obtained by applying different concentration methods, at laboratory level, to the black sands from Estado Bolivar, Venezuela, with the aim of obtaining an
Jan 1, 1995
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Kinetics of Carbochlorination of Chromium (III) Oxide
By N. Kanari
Kinetics of the carbochlorination of Cr2O3 has been studied with C12+CO gas mixtures between 500 °C to 900 °C using thermogravimetric analysis. The apparent activation energy is about 100 kJ/mol. Math
Jan 1, 1998
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High Purity Precious Metals
By Michael B. Mooiman, David J. Kinneberg, Philippe Cettou, Leo W. Simpson, Pierre Ramoni
"The demand for high purity precious metals began with certain industrial applications having uncompromising requirements for quality and performance. As industrial uses proliferated and as the jewelr
Jan 1, 1998
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The Noranda Horne Smelter -1965 To 1983
By J. B. W. Bailey
The Noranda Horne smelter in Quebec, Canada has change considerably during the last two decades to accommodate varying custom concentrate receipts, closure of the Horne mine, better working conditions
Jan 1, 1983
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Oxidation Of Chalcopyrite By 'In-Situ' Electrogenerated FeIII And CuII Using An Ion Exchange Membrane
By S Ivanaj
Oxidation of chalcopyrite from a copper concentrate in an electrochemical cell having separate-anodic and cathodic compartments was studied by potentiodynamic, potentiostatic and galvanostatic experim
Jan 1, 1995
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The Behavior Of Arsenopyrite In The Process Of Roasting (a37038ac-c6d3-4224-b928-f6146a5bfe29)
By V. A. Luganov
The behavior of arsenopyrite under heating has been studied by many scientists. It has been already established that under heating at more than 650°C and without air access the arsenopyrite dissociate
Jan 1, 2003
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Flow and Settling Phenomena in Matte Smelting Electric Furnaces
By A. Andreas Hejja
Flow of slag and settling of matte in slag resistance electric furnaces are discussed in conjunction with furnace geometries, stirring action of the electrodes, buoyancy and electromagnetic effects. T
Jan 1, 1996
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Sodium Roasting Thermodynamics Of Chromium-Containing Vanadium Slag And Its Application
By Xin Li, Hai-Xing Fang, Bing Xie, Hong-Yi Li
Chromium-containing vanadium slag (V-Cr slag) was obtained by an industrial smelting process of Hongge Ore, which is valuable vanadium-titanium magnetite to extract V and Cr in China. Sodium roasting
Jan 1, 2014
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Some Aspects Of Calcium Ferrite Slags (Invited) (dc5749ca-ba6d-45ff-bbc9-3d0c6d6e7b6c)
By Sharif Jahanshahi
Calcium ferrite slags are often associated with Professor Yazawa due to his pioneering work on the thermodynamics of this type of melts. Over the past years CSIRO has invested some effort in studying
Jan 1, 2003
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Exfoliation and Photocatalytic Activities of Layered Oxides KSr2Nb3O10
By J. N. Kondo, M. Hara, T. Smida, N. Ooto, K. Domen
"A porous material composed of two-dimensional anionic sheets of a layered perovskite, KSrNb30 10, was studied as photocatalyst for the production of Hz in the presence of alcohol sacrificial donors.
Jan 1, 2000
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Production Of Elemental Sulphur From Non-Ferrous Smelter Gas (Keynote)
By Takahiko Okura
Most non-ferrous raw materials are associated with sulphur. To extract the metals, the sulphur is recovered typically as sulphuric acid or liquid SOz, On the other hand, natural gas may contain over 2
Jan 1, 2003
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The Formation of TiN Films by Thermal Plasma Reactive Forming
By F. Ajersch, P: Tsantrizos, K: Shanker
"TiN films have been deposited on various substrates by a novel reactive plasma technology. In this process, a nitrogen source (NH3 or N2) and TiCl4 are reacted in the jet of a plasma torch, and are d
Jan 1, 1994
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Solvent Extraction in the Phosphate Fertilizer Industry
By Fathi Habashi
The recovery of uranium from wet process phosphoric acid was applied on industrial scale in the 1940's by using octylpyrophosphoric acid as an extractant. Later, more efficient reagents were used
Jan 1, 1998
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Electrochemical Behavior Of Pb-Ag-Bi Alloys As Anodes In Zinc Electrowinning
By Zhong g. Shui-ping
A new type Pb-Ag (0.8wt%)-Bi (0~5.0wt %) alloy used as anode in electrowinning of zinc from sulphuric acid electrolytes was prepared. The electrochemical properties of this ternary lead alloys have be
Jan 1, 2008