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Precipitation Of Hematite From Metallurgical Processing Streams By Hydrolysis In The Presence Of Anionic Resins
By S. Djaroudib
Keywords: iron recovery, hematite, hydrolysis, polyvinylpyridine The precipitation of hematite (Fe2O3) from ferric chloride media at ambient pressure and at temperatures below 100°C was studied as
Jan 1, 2005
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Experimental Design to Maximize Granite Sawing Waste Content in Ceramic Tiles
By M. I. Brasileiro
The use of experimental design to the study of mixtures has found a wide range of applications, even in laboratory scale or in industrial development works. The aim of this work was to maximize granit
Jan 1, 2009
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Mathematical Modeling And Design Of Heat Pipe-Cooled Metallurgical Furnace Equipment
By Pietro Navarra
Cooling of critical furnace equipment to produce freeze lining is of particular interest as many metallurgical processes are intensified while attempting to prolong campaign life. This idea was combin
Jan 1, 2006
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Activities of Magnesium Oxide in the Nickel Oxide-Magnesium Oxide-Zinc Oxide System Using a Magnesium Fluoride Solid Electrolyte Galvanic Cell
By S. Raghavan
The thermodynamic activities of MgO in the solid solutions that can exist in the system NiO-Mg0-Zn0 are determined by measuring the EMF of the cell: O2 (g), Pt / MgO, MgF2 // MgF2 // x MgO + yNiO + (
Jan 1, 1993
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Structural And Morphological Characterization Of A Natural Graphite After Application Of High Pressure And High Temperature Treatment
By A. L. D. Skury
In the synthesis of diamond, the precursor graphite must present a degree of crystallinity to assure optimum yield and quality for the transformed crystals. X-ray diffraction, SEM and TEM analyses wer
Jan 1, 2006
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Recovery Of Rare Earth Metals (Rems) From Primary And Secondary Resources: A Review
By Vinay Kumar, Manis Kumar Jha, J. Rajesh Kumar, Archana Kumari, Rekha Panda, Jin Young Lee
Rare earth metals (REMs) play a significant role in the manufacture of permanent magnets, fluorescent lamps, catalysts, medicines, super alloys etc. Recently, China, which controls 97% of world trade
Jan 1, 2014
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A Thermodynamic Model For The Reaction Zone Of Lead Blast Furnace
By Pengfu Tan
A thermodynamic model has been developed to predict the distribution behaviors of Cu, Fe, S, O, Pb, Zn, As, and heat balance in a lead blast furnace. The modeling results have been validated by the pl
Jan 1, 2005
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Research on New Ca-Ni Based Alloys for Hydrogen Storage
By Hiroyuki T. Takeshita
Ca-Ni based alloys were investigated on structures, hydrogenation properties and the effect of additive elements on hydrogenation properties. CaNi, samples were decomposed to form a new hydride with a
Jan 1, 2002
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Mathematical Modeling of Ion Exchange Columns with Emphasis on Hydrous Crystalline Silico-Titanates, Molecular Sieves and Non Ideal Solutions
By M. E. Huckman
In this paper, we review the equations needed to construct an ion exchange column model. These models contain three major components: 1) a differential material balance around the colunm, 2) a differe
Jan 1, 1996
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Characterization of Vitrified Tile Bodies with Kaolinitic Clay and Nepheline-Syenite
By C. M. F. Vieira
This work has as its objective to characterize ceramic bodies for vitrified tiles elaborated with the mixture of nepheline-syenite flux and kaolinitic clay. Formulations were prepared with 0, 30 and 5
Jan 1, 2010
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Thermodynamic Modeling of copper drossing process in lead refining
By Pengfu Tan
Lead blast-furnace bullion cools to near its freezing point in an operation known as copper drossing or hot drossing usually contains 0.02-0.06% copper. The removal of this copper is usually carried o
Jan 1, 2006
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Cluster Synthesis, Direct Ordering, and Alignment of Rare-Earth Transition-Metal Nanomagnets
By B. Balamurugan, D. J. Sellmyer, J. E. Shield, G. C. Hadjipanayis, Damien Le Ror, R. Skomski
"Rare-earth transition-metal (R-TM) alloys show superior permanent magnetic properties in the bulk, but the synthesis and application ofR-TM nanoparticles remains a challenge due to the requirement of
Jan 1, 2012
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Characterization of the Flexural Properties of Polyester Matrix Composites Reinforced with Continuous Jute Fibers
By Sergio N. Monteiro
Jute fiber reinforced polymer composites are among the most investigated and applied natural composites. In this past decade the mechanical properties of these composites has been assessed for various
Jan 1, 2010
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Eco-Efficient Recycling Alternatives For End-Of-Life Cathode Ray Tubes
By Jeremy Gregory
The disposal of end-of-life electronics is an issue receiving increasing scrutiny. This paper evaluates several alternatives for recycling cathode ray tubes (CRTs) within monitors and televisions. T
Jan 1, 2006
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Mineral Changes During Oil Shale Retorting
By Won C. Park
Experiments showed changes in the mineral content of dolomitic oil shale at temperatures and exposure times which bracket conditions encountered during in situ retorting. Laboratory results correlate
Jan 1, 1981
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The Use of Diagnostic Leaching for Flotation Insight
By Kymberley Worrell
The Cripple Creek and Victor Gold Mine was acquired by Newmont in August 2015. The high grade flotation mill project was commissioned in February 2014. The mill to date has been throughput limited due
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Incentives for Recycling: Mitigating Risks to Downstream Firms
By Frank R. Field, Randolph E. Kirchain, Elisa Alonso
"There are a number of environmental incentives for increasing recycling, including the reduction of waste, energy and resource use. Recycling can also be advantageous for manufacturing firms in both
Jan 1, 2008
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Technical Developments And Environmental Improvements On The Peirce Smith Converters At Sumitomo?s Toyo Smelter & Refinery
By Harumasa Kurokawa
Since the initial start-up, the Toyo Smelter & Refinery has been operating in harmony with the ambient environment, and improvements have been implemented with technologies specifically developed for
Jan 1, 2005
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Ultrasonic Detection Of Hydride Blisters In A ZR-2.5NB Pressure Tube
By Yong-Moo Cheong
When the zirconium pressure tube(PT) is in contact with the calandria tube(CT) in the pressurized heavy water reactor(PHWR), the temperature gradient between the inner and outer wall of the PT results
Jan 1, 2006
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Fibrous Reinforcement In Clay-Bonded Silicon Carbide Refractory Using Andalusite Powder
By Bowen Li
Silicon Carbide is an excellent refractory material. Its physical properties make it extremely useful, particularly in applications where corrosion resistance and wear are important considerations. Co
Jan 1, 2006