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Enhanced Energy Efficiency and Emission Reduction through Oxy-Fuel Technology
By Dietrich Gross
This paper describes an advanced oxy-fuel combustion technology for re-melting aluminum that significantly reduces energy consumption and emissions. This oxy-fuel combustion technology developed by Ju
Jan 1, 2008
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The Sulfur Problem in the Metallurgical Industry
By Fathi Habashi
During the recovery of copper, nickel, zinc, and lead from their sulfide ores, large amounts of sulfur dioxide are generated. A fraction of this gas is captured and transformed into sulfuric acid and
Jan 1, 1996
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Turning Blast Furnace Dust into a Source of Zinc and Lead Units: A Progress Report on Testwork at Corus Ijmuiden
By S. q. Honingh, G. Van Weert
Currently produced zinc-enriched blast furnace dust is stored on site at CORUS IJmuiden. To end this practise, a research program was started in 1996. Four technologies were studied: oxidative autocla
Jan 1, 2000
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FeCr2O4 Spinel Formation: Relationship Between Color and Magnetics Properties
By Oscar J. Restrepo
Through reactions in solid form at high temperatures, using iron oxide (Fe3O4) and chromium oxide (Cr2O3) in fixed proportions as precursors, the compound was synthesized with spinel structure type Fe
Jan 1, 2009
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Metalorganic Chemical Vapor Deposition (MOCVD) of Oxides for Electronic and Photonic Applications
By R. Singh, C. Gong, J. Chaudhry
"Metalorganic chemical vapor deposition (MOCVD) is an ideal technique for the deposition of conducting and non-conducting oxide based thin film materials. In this paper we have presented a study of ph
Jan 1, 1994
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Extraction Of Indium From Zinc Oxide Flue Dust By Microwave Sulfation Roasting And Water Leaching
By Jun Chang, Jin-hui Peng, Jing Chen, Li-bo Zhang
The leaching of indium from refractory zinc oxide flue dust(ZOFD) is attempted to utilize microwave sulfating roasting process, followed by water leaching. The ZOFD and roasted product were characteri
Jan 1, 2015
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Characterization Of Sulfidation Roasting Of An Iron-Rich Manganese Oxide Ore With Elemental Sulfur
By Yuanbo Zhang, Zhixiong You, Li Qin, Guanghui Li, Tao Jiang
Low-grade manganese oxide ore is generally characterized by high iron content. In this work, sulfidation roasting of an iron-rich manganese oxide ore with elemental sulfur was characterized. The exper
Jan 1, 2016
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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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Recycling of Solid Wastes Containing Iron from Integrated Steelmaking Plant
By C. Takano
The integrated iron and steelmaking industry generates large amounts and many types of solid dusts and sludge, at different phases of the production. Within these are: sludge of the Blast Furnace; cok
Jan 1, 2001
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Investigation on Extracting Boric Acid from Saline Brine by Boron Specific Chelating Resin
By Xi-chang Shi, Yun-feng Fu, Bai-zhen Chen, Hui Xu, Xiang Xiao
"Extracting boric acid from saline brine by boron specific ion-exchange resin was investigated. Effects of resin amount, temperature, time and stirring speed on boron adsorption rate were studied in t
Jan 1, 2011
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Theoretical Modeling of the Bainitic Transfonnation
By D. Van Dooren
The final goal of the research project is to develop a 3D FEM model that is able to predict the kinetics and micro-structural evolution during the bainitic transformation. The input parameters consist
Jan 1, 2003
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Cyclic Voltammetry for Monitoring Addition Agent Concentrations in Copper Electrorefining
By C. -S. Jiang
In most copper refineries, addition agents are added at predetermined rates with no further monitoring of their activity or concentration in the electrolyte. Increasingly stringent cathode quality req
Jan 1, 1991
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Oxidized Pellet Preparation from Refractory Specularite Concentrates Using Modified Humic Acid (Mha) Binders
By Guohua Bai, Yuanbo Zhang, Guihong Han, Zijian Su, Daoyuan Zhang
"Specularite ores have poor hydrophilicity and ballability as well as inferior high-temperature reactivity, which restrict the large-scale application of them in the pelletizing and sintering producti
Jan 1, 2011
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Effect Of Additives On Phase Transformation Of Nickel Laterite Ore During Low-Temperature Reduction Roasting Process Using Carbon Monoxide
By Baozhong Ma, Yonggang Wei, Shiwei Zhou, Bo Li, Chengyan Wang, Hua Wang
The effects of additives with Na2S, Na2SO4 and CaSO4 on phase transformation of nickel laterite ore in low-temperature reduction roasting process using carbon monoxide were investigated. The results s
Jan 1, 2015
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Radio-Thermionic Induced Reactions on Aluminum Based Materials and Their Correlation with Plasmon Formation and Tribocatalytic Mechanisms
By James Cornwell, John A. Elton
"Thermionic induced reactions and radiation resonance catalysis of aluminum and aluminum oxide materials exposed to microwaves and triboemissions will be described and explained from both a fundamenta
Jan 1, 2010
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Stripping Of Fe(Iii) From P204 By Oxalic Acid
By Shengfan Zhou, XUEWEN WANG, Changjun Jiang, Mingyu Wang
In the process of extracting vanadium from stone coal by sulfuric acid leaching - P204 solvent extraction, Fe(III) can accumulate in the organic phase which reduces the extraction of vanadium. In orde
Jan 1, 2016
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Phase Transformation In Magnesium-Rich Nickel Oxide Ore After Reduction Roasting Process
By Baozhong Ma, Qian Li, Yonggang Wei, Shiwei Zhou, Bo Li, Chengyan Wang, Hua Wang
The magnesium-rich nickel oxide ore (w (Ni) =1.09 %, w (MgO)=29.08 %) mixed with 6 % and 8 % anthracite were roasted at different temperatures. XRD and SEM/EDS techniques were utilized to characterize
Jan 1, 2015
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New Model for Assessment of Metal Production and Recycling System
By Kiyoshi Shibata
A new assessment model has been proposed for metal production and its recycling system. The model consists of three processes, smelting of ore, cascading and upgrading of metal scrap. The present appr
Jan 1, 1998
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Recovery of Gold by Resin-In-Pulp at the Golden Jubilee Mine
Two pilot-plant investigations were conducted in which strong-base resins were compared with activated carbon for the extraction of gold cyanide from leached pulp from the Golden Jubilee Mine. The res
Jan 1, 1989
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Occurrence of Secondary Sulfate Minerals at a Coal Processing Waste Pile
By Deborah A. Kopsick
Several minerals were observed and collected in a small gully originating from a weathered coal processing waste (gob) pile in Barton County, Missouri. The rapid alteration of these various minerals a
Jan 1, 1982