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Selective Reduction Of Tio2-Sio2 In The Carbothermal Reduction Of Titanium Raw Materials For Preparation Of Titanium Oxycarbide
By Bo Jiang, Jiusan Xiao, Hongmin Zhu, Kai Huang, Shuqiang Jiao
Carbothermal selective reduction of simulative titanium slag and various titanium raw materials were presented and SiO2 was found to be partially reduced, forming a series of Fe-Si alloys during the p
Jan 1, 2016
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Major-Element Variations in the Reactive Sulfide-Rich Tailings at the Waite Amulet Minesite, Noranda Area, Quebec, Canada
By J. L. Jambor
Sulfide-rich tailings accumulated in a 4l-hectare impoundment at the Waite Amulet minesite near Noranda, Quebec, have undergone partial oxidation and destruction of the principal sulfides (pyrite and
Jan 1, 1989
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Mineralogical and Textural Characterization of Lime Roasted Pyrite and Arsenopyrite for Gold Leaching
By Ann M. Hagni
Microscopic and sub-microscopic gold commonly occurs in the sulfides pyrite (FeS2) and arsenopyrite (FeAsS). To recover refractory gold from pyrite and arsenopyrite, these sulfides are roasted to crea
Jan 1, 1991
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Recent Improvements for Stable Operation of the Tamano Type Flash-Smelting Furnace
By K. Noda
Tamano Smelter of Hibi Kyodo Smelting Co., Ltd. started its operation adopting the Flash Smelting Furnace with Furnace Electrodes (FSFE). Thereafter, it developed a coke combustion technology based on
Jan 1, 2001
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Fabrication of Al Matrix Composite by Reactive Infiltration Process
By M. Kobashi, T. Choh, N. Kanetake
"A new processing route, which enables the cost-effective and energy- saving fabrication of metal matrix composites, have been proposed. The pressureless infiltration of the reactive powder blend with
Jan 1, 2000
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Kinetics of Reduction-Carburization of Synthetic (Fe,Mg)(Cr,Al)2O4 Solid Solutions by Ar–CH4–H2 Gas Mixtures
By Vincent Canaguier
Methane is increasingly considered as a promising reductant for metal oxides, including chromite. To assess the possibilities of such reduction route, the gas-solid reactions between Ar–CH4–H2 gas mix
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Reduction Kinetics Of Hematite Concentrate Particles By Co+H2 Mixture Relevant To A Novel Flash Ironmaking Process
By Shengqin Zhang, Yousef Mohassab, Feng Chen, Hong Yong Sohn, Mohamed Elzohiery, Amr Abdelghany
The kinetics of hematite concentrate reduction by mixtures of hydrogen and CO of various compositions has been investigated as part of the development of a flash ironmaking process at the University o
Jan 1, 2016
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Energy Opportunities in the Aluminum Processing Industry
By Cynthia Belt
"Energy management is critical to aluminum processing given the high energy requirements of melting and processing aluminum. Energy costs have always been a high percentage of the total production cos
Jan 1, 2012
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Rheology And Metal Forming Of Fire-Refined Copper (FR)
By C. Camurri
Results from the Metallurgical Department of Universidad de Conception showed that fire-refined copper could be rolled without previous remelting for deoxidation. The goal of this work is to determine
Jan 1, 1999
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Computational Studies of the Control of Convection in Diamagnetic Liquids during Solidification with a Magnetic Field Gradient
By C. D. Seybert, J. W. Evans
"The elimination of convection is essential in experimental investigations of diffusive transport (of heat and matter) during solidification. This paper describes an investigation of an approach where
Jan 1, 2001
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A Counter-Flow Batch Process For Refining Copper Using Sodium Carbonate Slag
By Hiroshi Hashimoto
For the application of sodium carbonate slag treatment to product high purity copper on an industrial scale, the counter-flow batch process that reduces the amount of utilized slag is proposed from th
Jan 1, 2003
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Passive Treatment Methods for Acid Mine Drainage
By Nural Kuyucak
Acid mine drainage (AMD) occurs at operating and abandoned mine sites as a result of oxidation of sulphide minerals, and is characterized by low pH and heavy metal contamination (e.g. Fe, Zn, Cu, Cd,
Jan 1, 1993
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Isothermal Normalizing System by Utilizing the Residual Forged Heat in Alloy Carburizing Products
By Zhenbo Zhao
The processes and equipment for INLRFH (Isothermal Normalizing by Utilizing the Residual Forged Heat) of alloy carburizing steel products are presented. It is shown that four key parameters: namely (I
Jan 1, 1999
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The Environmental Benefits from Computer Modeling EAF Slag Chemistry
By Jasper Kwong
The recycling of MgO-C refractories as a slag conditioner in EAF (electrical arc furnace) foaming slags have been evaluated by the Albany Research Center. The amount of MgO in the slags is critical fo
Jan 1, 2002
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Biosorption of Metal Contaminants from Addie Mine Waters
By T. H. Jeffers
The U.S. Bureau of Mines' Salt Lake City Research Center. has developed porous polymeric beads containing immobilized non-living biological materials for extracting metal contaminants? from waste
Jan 1, 1991
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Cominco's Trail Operations: An Integrated Zinc-Lead Operation
By E. T. de Groot, D. L. Verhelst
With the successful start-up of Cominco's new KIVCET smelter, the final key component is now in place for Trail Operations to operate efficiently as a modern integrated zinc-lead facility. Unique meta
Jan 1, 2000
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In Situ Grain Size Determination of Slow-Cooled Steelmaking Slags with Implications to Phosphorous Removal for Recycle
By E. Fregeau-Wu
The mineralogy and grain size distribution of phases in a steelmaking slag and experimental products from the heating of the slag under various conditions were determined to explore the possibility of
Jan 1, 1989
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Nanoindentation and Tem Characterization of ION Irradiated 316L Stainless Steels
By Khalid Hattar, Alexander McGinnis, Buchheitm Thomas, Paul Kotula, Luke Brewer
"Understanding the effects of extensive radiation damage in structural metals provides necessary insight for predicting the performance of those metals considered for application in the extreme radiat
Jan 1, 2012
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Ceramic Matrix Composite Aluminum Nitridation Mineralogical Characterization
By Ann M. Hagni
"Ceramic matrix composites are inorganic materials that are particularly resistant to heat and abrasion. A magnesia (MgO) and aluminum nitride (AlN) based composite is formed by exposing a magnesia pr
Jan 1, 1999
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Use of Co-Products from Sunflower Oil Extraction for Manufacture of Composites
By N. M. S. Balbinot, A. L. Rodríguez, C. M. Mahlmann, R. de C. de S. Schneider
The use of sunflower oil co-products it was studied for production thermoplastic composites. Thermoplastic composites have been processed in polyethylene matrices of virgin linear low density polyethy
Jan 1, 2008