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Vapor Pressure Measurements For The FeCl2-ZnCl2 System By The Transpiration Method
By Sang Han Son
The vapor pressures of FeCI2 and ZnC12 in the FeCl2-ZnCl2 system were measured by the transpiration method at 873K and 917K. The vapor pressure data were interpreted to indicate the formation of compl
Jan 1, 2003
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Modelling Of Slag Foaming Coupled With Decarburisation
By G. Brooks, J. Naser, M. A. Sattar
CFD models have been developed and numerical simulations have been carried out to predict the formation of foam in oxygen steelmaking. Foam was considered as a separate phase comprising a mixture of g
Jan 1, 2014
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Preparation of Silica Encapsulated Stearic Acid as Composite Phase Change Material via Sol-gel Process
By Yuanyuan Wang, Hong Li, Xueting Liu, Hao Bai, Kang Zhou
"Phase change materials are widely used in efficient utilization of energy and new energy technology. Especially, more attention has been paid to composite phase material, which is applied on architec
Jan 1, 2014
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Preparation of Biodiesel by Transesterification of Canola Oil Using Solid Base Catalyst Koh / ?-Al203
By Mohamad Omarei, S. M. Sadrameli
"The aim of this research work was to produce biodiesel (fatty acid methyl esters, FAME) from canola oil using KOH loaded on y-Al203 support as a heterogeneous catalyst. Different parameters such as e
Jan 1, 2012
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Biooxidation of a Sulfide Gold Ore in Columns
By Bogidar V. Mihaylov
Bacterial oxidation of a low-grade sulfide gold ore was investigated in order to enhance leaching of gold. The experiments were carried out in columns using mixed cultures of Thiobacillus ferrooxidans
Jan 1, 1991
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Imaging Techniques for the Characterization of Multi-Crystalline Silicon Bricks and Wafers
By Steve Johnston, Mowafak Al-Jassim, Fei Yan, Omar Sidelkheir, Alain Blosse, Katherine Zaunbrecher
"Imaging techniques are applied to multi-crystalline silicon wafers and solar cells throughout the production process. Photoluminescence imaging, both band-to-band and defect-band, is used to charact
Jan 1, 2012
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Development of Green Rust/Ferrite Process for Treating Selenium Contaminated Groundwater
By Tomoya Nihei, Hiroshi Hayashi
"A novel selenium removal process called Recycled Green rust/Ferrite Process is developed by MMC. In this process, a mixed Fe2+-Fe3+ hydroxide compound, green rust (GR), reduces selenate to elemental
Jan 1, 2008
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Effects of Al2O3 on Mineralogy of the Fayalite Slag
By Caisa Samuelsson, Sina Mostaghel, Theo Lehner
"Rönnskär smelter of Boliden Mineral AB, Sweden, is well known for recycling of base and precious metals. Slag from the electrical furnace is processed at the fuming plant to produce zinc clinker. The
Jan 1, 2008
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Metals Recovery from Spent Zn-MnO2 Batteries by Hydrometallurgy
By C. A. Nogueira, F. Pedrosa, F. Margarido, R. N. G. Guerra
"A hydrometallurgical process for recycling spent Zn-MnO2 batteries was developed, involving leaching with sulfuric acid, purification by precipitation and metals separation for further recovery. Leac
Jan 1, 2008
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Determination Of Crystallite Size And Surface Roughness Of Copper Deposits For Electrowinning In The Presence Of An Organic Additive
By Cesimiro Fabian
The crystallite size of copper electrodeposits was determined by X-Ray powder diffraction analysis using a General Area Detector Diffraction Solution (GADDS) diffractometer. Crystallite size was calc
Jan 1, 2003
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Selective Precipitation Of Cobalt From Ammonia Leach Solutions: Recent Experience At The Corefco Refinery In Fort Saskatchewan
By Gavin K. W. Freeman
The efficient separation of cobalt from nickel is a fundamental objective in the refining of cobalt. Based on recent experience at the Corefco refinery in Fort Saskatchewan, the identification of a n
Jan 1, 2003
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On-Line Free Acidity Measurement In Hydrometallurgical Process Solutions Up To 250 °C: A New Industrial Sensor
By M. Huang
A conductivity-based sensor for on-line measurement of free acid was recently built. This sensor is suitable for high ionic strength solutions and its corrosion-free operation is based on induction cu
Jan 1, 2006
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Rejected Sands from Smelting Metallurgical Process Used in Structural Ceramics
By Fabio J. Esper, Guillermo R. Martín-Cortés, Francisco R. Valenzuela-Díaz, Cassio P. Carvalho, Giorgio Grotti, Reginaldo B. Santos
"Rejected sands from smelting metallurgical process because contain lead and others heavy metals are a problem to dispose as waste in all the countries. A procedure that is being proposed for it is to
Jan 1, 2008
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Decomposition Kinetics Of Flash Smelting Flue Dust Sulphates
By Elli Nurminen
Sulphate decomposition was studied in the conditions of a typical copper flash smelting heat recovery boiler. The aim was to determine the kinetics of the copper sulphate decomposition reactions and t
Jan 1, 2004
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Isasmelt? - 6,000,000 TPA And Rising
By P. S. Arthur
The ISASMELT? process is a submerged lance smelting technology operating in smelters in Australia, the USA, Belgium, India, Germany, Malaysia and China. Further plants are under construction in Peru a
Jan 1, 2006
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CFD Modeling of Fluid Flow Behavior and Bath Surface Deformation in LD Converter
By Snehanshu Pal
"Concrete understanding of fluid dynamics properties inside basic oxygen furnace (LD converter) and hot-metal surface deformation due to impinging oxygen jet is important for optimization of reaction
Jan 1, 2012
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Copper Electrowinning using Noble Metal Oxide Coated Titanium - Based Bipolar Electrodes
By K. Asokan, K. Subramanian
"Electrowinning of copper by monopolar cells require common anode and cathode busbar and crossbars to connect each electrode to the respective common busbar. On the other hand, the bipolar configurati
Jan 1, 2009
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Experimental Study on the Production of Nitrogen-bearing Stainless Steel by Injecting Nitrogen Gas
By Shufeng Yang, Anping Dong, Yongfeng Chen, Jingshe Li, Lifeng Zhang, Liyuan Sun
"Instead of nickel-based stainless steel, a nitrogen-bearing stainless steel was produced to reduce the production cost stemming from the shortage of nickel recourses. Thermodynamic model to calculate
Jan 1, 2011
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Kinetics And Mechanism Of Copper Slag Cleaning By Injection Of Natural Gas
By David Langberg
Recovery of dissolved copper from discard slags is a critical consideration affecting the economics of copper smelting. Slag cleaning is frequently carried out in electric furnaces, however reduction
Jan 1, 2006
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Investigation Of The Effects Of Interstitial Filling Ratios On The Dry Grinding Kinetics Of K-Feldspar
By H. Ipek
In this study the effects of interstitial ratios on k-feldspar samples were investigated. The k-feldspar samples were taken from Egypt using dry batch grinding conditions and a kinetic model. Three di
Jan 1, 2006