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"CORDIAM" Process: A New Treatment for Asbestos Wastes
By C. Abruzzese
This work concerns a process for the inertization of asbestos-containing wastes and the subsequent recycling of the inerts for the production of ceramic refractories. One of producted refractories is
Jan 1, 1998
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"Mine Geology and Process Ore Control at Newmont Gold Company Mines,Carlin Trend, Nevada."
By Joseph C. Rota
The Carlin Trend is one of the most significant gold mining districts in North America. Located in northeastern Nevada, a total of over 17 million ounces of gold have been produced since 1965 at Newmo
Jan 1, 1997
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A Case Study on Corrosion Properties of Garnet Particles Reinforced Aluminium Composites
By Jayagopal Ucbil, M. Krishna, V. T. Vijayalakshmi
"The pitting susceptibility of aluminium metal matrix composites reinforced with garnet particles has been examined using static weight loss method by exposing the metal matrix composites (MMC) specim
Jan 1, 2000
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A Comparative Examination of the Tensile and Fatigue Properties of Aluminum Alloy A356 Automotive Suspension Components Produced by Different Shape Casting-Related Processes
By P. N. Anyalebechi
A comparative study of the mechanical properties of automotive steering knuckles produced by three different shape-casting related processes has been conducted. It involved the characterization of the
Jan 1, 2009
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A comparative View of Control and Regulating Technologies for Some Primary smelting operations
By Husamuddin Ahmadzai
A survey of regulations and state of the art control technologies is presented relating to the smelting of primary aluminium, copper and recycling of residues. Some costs associated with the alternati
Jan 1, 1992
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A Comparison Between Batch and Continuous Processes in Impurity Removal from REE Water Leach Solution by Lime and Limestone Neutralization
By Farzaneh Sadri
After water leaching of an acid baked REE concentrate, impurities such as Fe, Al, Th, and Cu are removed by neutralization with different reagents such as NaOH, Mg(OH)2, MgCO3, CaO, and CaCO3. Among t
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A Comparison of Some of the New Titanium Metal Technologies with DuPont R&D and Commercial Results Through the 1960's
By James W. Reeves
DuPont was the titanium metal pioneer who put the greatest effort into both R&D and commercial sponge and powder metallurgy production. This was concentrated in the period 1945 through 1963. The comme
Jan 1, 2001
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A Cost-Effective, "Zero" Discharge Heavy Metal Removal ,System:
By Lary L. Speakman
Typical heavy metal removal system generate a great deal of waste that must then be discharged somewhere. Using Bio-Fix Beads developed by the Bureau of Mines in combination with other waste stream mi
Jan 1, 1992
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A Fundamental Study of Disodium Carboxymethyl Trithiocarbonate (Orfom D8) in Flotation Separation of Copper-Molybdenum Sulfides
By SIMON TIMBILLAH
The chalcopyrite-molybdenite (Cu-Mo) flotation industry is increasingly turning to organic depressants as suitable replacements for inorganic reagents, such as NaHS, due to environmental and safety co
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A Fundamental Study of the Leaching Reactions Involved in the Caron Process
By Michael J. Nicol
This paper summarizes some of the results of a study of the reactions involved in the Caron leaching process and identifies the roles of the major dissolved species in the kinetics of dissolution of i
Jan 1, 2004
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A Historical Overview of the Cerro Matoso Operation 1980 to 2003
By J. R. Kiji
The Cerro Matoso S.A. mine and smelter, in the Cordoba lowlands of northwestern Colombia, consist of a dedicated laterite nickel mine, ore blending, drying and an RKEF process to produce high-quality
Jan 1, 2004
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A Hydrometallurgical Process For Recovery Of Vanadium And Molybdenum From Wasted Catalysts For Hy-Drotreating Desulfurization Of Heavy Oil
By Toshiaki Akahoshi
Keywords: Wasted catalyst, Hydrodesulfurization, Ammonium vanadate, Ammonium molyb-date, Hydrometallurgical process. The fundamental reactions have been investigated in order to develop a hydrometa
Jan 1, 2005
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A Kinetic Model of Desulfurization by Powder Injection & Blowing in RH Refining of Molten Steel
By Neng-Wen Yu, Shau-Jun Zhu, Ji-He Wei
The desulfurization process by powder injection and blowing in the RH refining of molten steel and its mechanism have been considered and analyzed. Based on the two-resistance mass transfer theory and
Jan 1, 2000
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A Kinetic Study of Pressure Oxidation of Pyrite at High Temperatures
By Hu Long
Pyrite, as the host mineral in refractory gold ores and concentrates, has been treated by pressure oxidation in sulfuric acid solutions at temperatures above 180°C to liberate gold prior to cyanidatio
Jan 1, 1999
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A Laboratory Investigation of the Reduction of the Iron Carbonate Bearing Ore to Iron Nugget by Means of the ITmk3 Technology
By R. S. Tahautdinov, A. N. Posazhennikov, V. V. Bastrygin
"The Bakal (South Ural, Russia) deposit of iron ore bearing iron carbonate (siderite) with the capacity of more than 1 billion tones belongs to the MMK. This ore cannot be fully processed via blast fu
Jan 1, 2011
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A Laboratory Investigation of the Reduction of The Siderite Iron Ore to Iron Nugget
By E. V. Redin
"The Bakal (South Ural, Russia) deposit of iron ore bearing iron carbonate (siderite) with the capacity of more than 1 billion tones belongs to the MMK. This ore cannot be fully processed via blast fu
Jan 1, 2012
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A Material Recovery Facility in Cape Town, South Africa, as a Replicable Concept for Sustainable E-Waste Management and Recycling in Developing Countries
By Cissé Kane, Klaus Hieronymi, Mathias Schluep, Gerry Newson, Susanne Dittke
"E-waste is currently the fastest growing waste stream in South Africa as well as in many other African countries. Informal collectors, dismantlers and recyclers based in Africa play an increasingly l
Jan 1, 2008
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A Mineralogical and Chemical Analysis of Carbonaceous Ore at the Santa Fe Mine, Mineral County, Nevada: The K2O -Preg Rob Relation
By William A. Fuchs
A study of carbonaceous ore at the Santa Fe mine (Corona Gold Inc.) shows that there is no quantitative relationship between organic carbon content and preg rob, although much of this material preg ro
Jan 1, 1990
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A New Beginning for the Getchell Mine
By P. G. Mason
The Getchell property was mined for oxidized gold ore by underground and open pit methods from 1936 to 194.5, by which time known oxide ores were mined out. From 1945 until 1967 sulfide ores were mine
Jan 1, 1989
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A New Copper Smelting Technology -Bottom Blown Oxygen Furnace Developed at Dongying Fangyuan Nonferrous Metals
By Baojun Zhao, Zhixiang Cui, Zhi Wang
"Bottom blown oxygen copper smelting process has been developed in Dongying, China by Dongying Fangyuan Nonferrous Metals Co., Ltd. in commercial scale. This is the first modem copper smelting technol
Jan 1, 2013