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Mathematical Modeling Of Molten Steel Flow During RH Refining Process
By Han-Tao Hu
Keywords: RH refining process, flow of molten steel, two-phase flow, gas holdup, circulation rate, mathematical modeling A three-dimensional mathematical model for the flow of the molten steel in
Jan 1, 2005
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Reduction Of Chromium Oxide From Liquid Slags
By Juliana Gutiérrez-Paredes
Keywords: Slag, chromium oxide, recovery, stainless steel Experimental and theoretical work was performed to estimate the effect of slag basicity and amount of reducing agents on the reduction of
Jan 1, 2005
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Green Combustion of Waste Printed Circuit Boards
By Xiangjun Zuo
This paper firstly reviewed the state of the art in the recycling of used Printed Wiring Boards (PWB), and then presented part of the authors study on the combustion of PWB powders with and without th
Jan 1, 2009
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Post-consumption Decoloration Oil Application as Biofuel Using Brazilian clay
By Elaine Araújo
Since the ancient times, clays were used as decolorant material for various types of oils. These clays were called ?decolorant clay?. They have the property to decolor dye materials present in mineral
Jan 1, 2009
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Main Parameters On The Performance Of A Desulfurization Of Ferro-Nickel By Slag Reaction
By M. Hochenhofer
Keywords: desulfurization, mathematical model, slag reaction To produce ferroalloys like ferro-nickel for alloying purposes in a quality that meets the requirements of today?s steel industry, refi
Jan 1, 2005
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Environmentally Correct Jute Reinforced Polyethylene Composites
By Sergio N. Monteiro
Wastes generated by our society and the question on how to dispose them is, nowadays, a relevant matter of concern. The objective of the present work was to characterize the technical properties of co
Jan 1, 2006
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Solar Thermal Extraction Of Copper From Sulfides
By Lenny Winkel
With the aim to develop a solar-driven process for the extraction of copper from sulfide concentrates research on the decomposition of copper sulfides under inert atmospheres has been initiated. Therm
Jan 1, 2003
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A Clean-Lead Factory Is Available For Lead-Acid Batteries Recycling By Means Of The ?Cleanlead Process?
By Carlos Frias
The lead-acid battery recycling is a major industrial activity (more than four million tonnes recycled lead per year) that generates large amounts of toxic wastes such as lead slag, mattes and acidic
Jan 1, 2006
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Effect of EAF Slag Carryover on Slag-metal Equilibrium Calculations for Ladle Degassing Process
By H. Doostmohammadi
During the tapping of liquid steel from Electric Arc Furnace (EAF), some slag is carried over into the ladle. High levels of FeO and MnO in slag carryover increase the oxygen activity in steel melt le
Jan 1, 2009
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Temperature Measurements in Microwave Heating
By Xiang Sun
Microwave heating has been used in numerous industrial processes due to its great advantages when compared with conventional heating methods. However, microwave heated products can be affected by non-
Jan 1, 2006
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Mineralogical Study Of Jarofix Products For The Stabilization Of Zinc Industry Jarosite Residues
By T. T. Chen
Canadian Electrolytic Zinc has developed the "cement-stabilization of jarosite residue" Garofix) process to stabilize zinc plant jarosite residues for disposal. The cement-jarosite mixtures cure quick
Jan 1, 1996
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Application of Mössbauer Spectroscopy to the Development and Commercialization of the Iron Carbide Process
By Frank A. Stephens
The process of converting iron ore (principally Fe,03 or Fe30,) into iron carbide (Fe,C) to be used as feedstock for steel-making yields complex mixtures of several Fe-containing compounds as a functi
Jan 1, 1993
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Controlling The Processing Parameters Affecting The Refractory Requirements For Peirce-Smith Converters And Anode Refining Vessels
By A. J. Rigby
Refractory linings in converters or anode furnaces used to over-oxidize the blister copper will suffer rapid deterioration, due to prolonged contact with copper oxide-rich slag. Nitrogen stirring wit
Jan 1, 2005
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Investigation Of Residual Stresses Superposition Of D2 Dies Due To Heat Treatment And Multipass Grinding
By Olga Karabelchtchikova
Keywords: Multipass grinding, Residual stress, Retained austenite, X-ray diffraction The study investigated residual stresses behaviors and their superposition effect in D2 dies for thread-rolling
Jan 1, 2005
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On-Line Radio Frequency Measurement Of Bulk Mineralogy
By Daniel Bennett
There are few methods currently applied towards on-line bulk mineralogical analysis. Yet on-line knowledge of process mineralogy could potentially provide large benefits, such as increased extraction
Jan 1, 2006
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Recycling of Steelmaking Slag Aiming at the Production of Thermo-Acoustic Insulation
By Joner Oliveira Alves
The aim of this work was to study the use of steelmaking slag as raw material to the production of rock wool and glass wool. Firstly, the chemical composition of the slag was analyzed. These results w
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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Magnetostriction And Magnetic Properties Of PdX (X=Fe, Ni, Co) Single Crystals
By Purushottam Kumar
Keywords: Magnetostriction, magnetic properties, Pd(Fe,Co,Ni) single crystals Fe-Pd, Co-Pd and Ni-Pd alloy systems show appreciable magnetostrictive strains that are of interest for sensor applicat
Jan 1, 2005
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Process For Converting SO2 To Sulfur Without Generating Pollutants Through Reactions Involving BaS And BaSO4
By Hong Yong Sohn
Keywords: Barium sulfate, Barium sulfide, Environment, Kinetics, Pollutants, Sulfur dioxide conversion, Thermodynamics Nonferrous smelters and coal gasification processes generate sulfur dioxide st
Jan 1, 2005
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Extraction Of Gold From A Low-Grade Double Refractory Gold Ore Using Flotation-Preoxidation-Leaching Process
By Peng Lv, Shiqian Liu, Bin Xu, Qian Li, Yongbin Yang, Tao Jiang
The treatment process of a low-grade refractory gold ore containing sulfide minerals and carbonaceous matters was studied in this work. The gold extraction of this ore by all-sliming cyanidation was o
Jan 1, 2015