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Using of Spent Foundry Sands for Production of Burned Ceramic Building Materials: Influence for Environment
By Sylwia Zymankowska-Kumon, Rafal Danko, Józef Danko, Mariusz Holtzer
"Burning of ceramic materials is carried out at temperatures 900+ 1300°C, in dependence of the required functional properties. The Faculty of Foundry Engineering together with the Faculty of Material
Jan 1, 2013
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Electrochemical Production Of Materials Using Molten Salts
By Derek Fray
Molten salts have been used for the extraction of metals since the 19th century but, recently, many interesting processes have been investigated using mixtures of molten salts and different cathodic m
Jan 1, 2006
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Hydrothermal Sulfidation of Plumbojarosite for Recovery of Lead and Silver
By K. P. V. Lei
The U.S. Bureau of Mines investigated a hydrothermal sulfidation procedure to recover lead and silver from plumbojarosite. The plumbojarosite, generated during pressure-oxidative leaching of zinc conc
Jan 1, 1990
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Recent Developments In Iron Removal And Control At The Zinc Corporation Of South Africa
By Claassen J. O.
The Zinc Corporation of South Africa Ltd. (Zincor) operates an integrated roast ? leach ? electrowinning circuit. The efficient removal and control of iron forms an integral part of the process. Zinco
Jan 1, 2003
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The Adsorption Of Froth Floatation Reagents By Hydrophobized Expanded Vermiculite
By Versiane A. Leão
The adsorption of oleic acid and amine, by Expanded Hydrophobized Vermiculite (EHV) was studied. In appropriate conditions EHV is a good adsorbent for these flotation re-agents and the best results ar
Jan 1, 1996
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Gold Recovery from Thiourea Solutions by Direct Electrowinning
By C. Dupuis
Thiourea is a promising reagent for gold extraction especially from refractory ores that cannot be treated by traditional cyanidation route. In this study recovery of gold from thiourea leaching solut
Jan 1, 1989
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Simulation of Microstructure Evolution During Solidification of Magnesium Alloys
By Hebi Yin
A coupled cellular automaton (CA) - finite element (FE) model was developed to calculate the growth of dendrites during the solidification of cubic and hexagonal metals. The model solves the conservat
Jan 1, 2009
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Preparation of a Ti-Ni Intermetallic Compound by Using a Drop Shaft
By Y. Suzuki, J. Nagao, Y. Ueda, K. Shimokawa
"A Ti- Ni intermetallic compound could be formed rapidly from Ti and Ni powder compact with SHS process. Microgravity experiments using a drop shaft are carried out, This report shows the effect of mi
Jan 1, 1996
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Tile Production Using Wastes from Mining Industry of the Mining District Pachuca and Real Del Monte
By A. Iván, Patiño C. Francisco, Flores B. Javier, Peréz L. Miguel, Hernandez A. Juan, Trapála P. Norma, Salinas R. Eleazar, Rivera L. Isauro, G. Flores, U. Mizraim
"Tills work is related with the production of tiles using wastes from mining and metallurgical industry of Hidalgo State, as raw material. These wastes present a majority particle size (60 %), minor t
Jan 1, 2012
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Mechanical Activation Of Processing Of Egyptian Wolframite
By Mohamed Y. Bakr, Aly M. Abdel-Rehim
The present work is related with mechanical activation of processing of Egyptian wolframite by simultaneous ball-milling and pressure alkaline leaching, to improve the recovery of tungsten from wolfra
Jan 1, 2015
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Thermal Analysis Characterization of Ramie Fibers with Different Diameters
By Isabela Leao Amaral da Silva, Felipe Perisse Duarte Lopes, Alice Barreto Bevitori, Sergio Neves Monteiro, Ruben Sanchez Rodriguez
"The fibers extracted from the stem of the ramie plant are among the strongest natural lignocellulosic fibers with a potential to be used as reinforcement of polymer matrix composites. Characterizatio
Jan 1, 2011
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Mathematical Description of Flash Smelting
By W. G. Davenport
The remainder of this book develops and uses mass and heat balances to describe steady"state flash smelting. Its objectives are to: a) describe the many ways a flash furnace operator can produce spec
Jan 1, 2001
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Direct Redaction of TI-V Magnetite via ITmk3 Technology
By E. V. Redin, B. A. Dubrovsky, E. V. Knyazev, A. I. Starikov
"Ti-V magnetite is one of the most abundant composite ore resources in the world. This ore cannot be fully processed via blast furnace technology because of high content of Ti02. According to the inve
Jan 1, 2013
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Problems Involved with Quartzite as a Raw Material for FeSi andSi Metal Production
By T. Malvik
Norway is a big producer of ferrosilicon and silicon metal. The raw material is quartz and quartzite and large quantities from both Norwegian and foreign sources are used. The demands maade on both th
Jan 1, 1989
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Modeling of Lost-Wax Foundry Process.
By R. Hamar, G. Lamanthe
"To realize complex shaped pieces, like turbine blades, superalloys are cast with the lost-wax process. The end properties of these parts depend upon their microstructure as well as upon the occurence
Jan 1, 1986
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CO2 Reduction Strategies in the Basic Metals Industry: A Systems Approach
By Dolf Gielen
This paper discusses the results of a Western European energy and materials systems engineering study that analyses the impact of greenhouse gas (GHG) emission reduction on the future of the steel and
Jan 1, 1999
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Outokumpu Moves Forward Towards Full Control And Automation Of All Aspects Of Copper Refining
By H. Virtanen
Outokumpu copper refining operations have a long history of expansions and application of new technologies. Outokumpu is a name known around the world for technological excellence in the field of base
Jan 1, 1999
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Case Study on the Application of Research to Operations—Calcium Ferrite Slags
By Stanko Nikolic
The Top Submerged Lance (TSL) technology, developed in the 1970s, is now widely used for the processing of a range of materials. TSL technology for continuous converting was first patented in the 1990
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Electrochemistry of Coal Pyrite Samples at Different pH
By Miguel N. Herrera
The electrochemistry of coal pyrite is relevant to coal desulfurization by chemical or bacterial leaching, flotation and oil agglomeration. The electrochemical behavior of polished and etched Upper Fr
Jan 1, 1994
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Izod Impact Energy of Polyester Matrix Composites Reinforced with Aligned Curaua Fibers
By Sergio N. Monteiro
Polymer matrix composites have been applied in components such as helmets and shielding for which toughness is a major requirement. Natural fiber presents interfacial characteristics with polymeric ma
Jan 1, 2009