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Safe Practices in Gas Handling at Magma Copper Company (3f972de0-117d-4ec3-b10d-0efd5a84064d)
By Art Johnston
Gas handling at Magma Copper Company's, San Manuel smelter receives process gas from a flash smelting furnace and four copper converters. The major gas handling equipment consists of four electro
Jan 1, 1992
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Safe Practices In Gas Handling At Magma Copper Company
By Art Johnston
Gas handling at Magma Copper company's, San Manuel smelter receives process gas from a flash .smelting furnace and four copper converters. The major gas handling equip11lent consists of four elec
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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Separation And Recovery Of Rare Metals From Spent Hydrodesulfurization Catalysts By Solvent Extraction
By Katsutoshi Inoue
The sulfuric acid leaching of spent hydrodesulfurization catalysts yields an acidic solution rich in rare metals such as molybdenum, vanadium, cobalt, and nickel in addition to aluminum. For the purpo
Jan 1, 1995
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Structural Changes Associated with the Ignition of Pyrite and Chalcopyrite during Flash Smelting
By F. R. A. Jorgenson
The ignition of chalcopyrite and pyrite was studied using laminar flow furnace and thermal analysis techniques which were supported by XRD and optical microscopic examination of the products. In air,
Jan 1, 1989
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Rapid Freeze Prototyping of Investment Cast Thin-Wall Metal Matrix Compostites I ? Pattern Build and Molding Parameters
By Von L. Richards
Rapid Freeze Prototyping (RFP) is a novel solid freeform fabrication technology that creates parts by depositing water droplets and freezing them rapidly to form layers. An investigation into the smal
Jan 1, 2008
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Process Control Improvements at the Kennecott Utah Copper Smelter
By Robert M. Leary
The Kennecott Utah Copper smelter operates two Outokumpu flash furnaces: a smelting furnace for production of high-grade matte and a converting furnace for production of blister copper. Flash furnaces
Jan 1, 2000
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Thermodynamic Studies Of The Gold(III)/(I)/(0) Redox System In Ammonia-Thiosulphate Solutions At 25°c
The reported values of the standard reduction potentials of the Au(NH3)2+/Au(0) and Au(S2O3)23-/Au(0) couples are reviewed to emphasise the experimental difficulties associated with the measurement of
Jan 1, 2003
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The Catalytic Role of Thiobacillus Ferrooxidans in the Leaching of Pure Natural Chalcopyrite
By Tomás Vargas
The catalytic role of Thiobacillus ferrooxidans in the dissolution of chalcopyrite was studied by leaching pure massive samples of this sulfide with a pure strain of Thiobacillus ferrooxidans (ATCC 19
Jan 1, 1990
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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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Experimental Determination of Wall Heat Fluxes and Numerical Modelling of Transferred Arc(s). Can We Use it to Improve the Design and Operation of Our Plasma Reactor?
By J. A. Bakken
Thermal plasmas are interesting for a wide range of metallurgical and chemical processing applications. The 300 kW experimental reactor PRESS, which has been in use since 1987, is operated in the tran
Jan 1, 1991
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Refractories for Nickel Extractive Metallurgy
By L. J. Davies
Refractories usage in furnaces for the extraction of nickel from both sulphides and lateritic ores is reviewed. Recent changes in raw materials and basic brick qualities developed to meet the increasi
Jan 1, 1988
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Modern Beryllium Extraction: A State-Of-The-Art Kroll Reduction Plant
By Edgar E. Vidal, Keith Smith, James A. Yurko
Beryllium, like many other reactive metals, is extracted from a halide (generally BeF2) using magnesiothermic reduction, also known as the Kroll process. The beryllium is produced in a molten state, w
Jan 1, 2015
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High Temperature Treatment Of Contaminated Solids
By Guohui Zheng
The ever increasing quantities of solid wastes generated by various industries are at the source of the growing need for proper waste disposal methods. Thermal treatment of combustible wastes is a pro
Jan 1, 1996
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Simulation of Turbulent Flow and Particle Transport in the Continuous Casting of Steel
By T. Shi, Q. Yuan, S. P. Vanka, B. G. Thomas
"The quality of continuous cast steel is greatly affected by fluid flow in the mold region, especially involving transient phenomena. Mathematical models are being applied to investigate many differen
Jan 1, 2001
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High-Pressure Injection Of Air Into A Peirce-Smith Copper Converter
By J. K. Brimacombe
Plant trials have been conducted at the Tacoma Smelter of ASARCO to assess the effect on tuyere blockage and refractory erosion at the tuyere line, of increasing the injection pressure of air into a P
Jan 1, 1983
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OS Process Thermochemical Approach To Reduce Titanium Oxide In The Molten CaCl2 (Invited)
By Ryosuke O. Suzuki
A new cell concept for calciothermic reduction is proposed in which the titanium dioxide instead of TiCl4 is used as the raw material for reduction, Metallic calcium is needed as the reductant of a th
Jan 1, 2003
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Bacterial Leaching of Low Grade Ores and Refractory Gold Ores by T. Ferrooxidans
By Zhang Yongzhu
Developments on bioleaching of low grade ores and refractory gold ores by T. Ferrooxidans in China are summarized. Effect of the ions on bacterial growth, bioelectrochemical reaction mechanism of sulf
Jan 1, 1992
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The Use of the Petrographic Microscope in the Manufacture of Portland Cement and Related Technical Service
By Richard L. Werner
The petrographic microscope as a tool in determining impurities and grain size of limestones, clays, sand and coal ash for possible use as raw materials is discussed. Its use in the determination of t
Jan 1, 1982
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Kidd Smelter Commitment To A Clean Environment
By Leon E. Laforest
An early commitment by Kidd Creek Mines Ltd. (formerly Texasgulf Canada) to follow a stringent environmental control programme from the initial stages of design and development of its metallurgical fa
Jan 1, 1983