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Study On Recovery Of Ferrous Minerals From Nickle Metallurgical Rrsidues By Selective Flocculation-Magnetic Separation
By Yufeng Guo
Mineralogy and physico-chemical characteristics of a nickel hydrometallurgical residue and recovery of iron-bearing minerals by flocculation-magnetic separation were studied. The results show that the
Jan 1, 2006
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Effect of Normality, Temperature and Time on the Tungsten Losses in the ResidueSeparated from Diluted Scheelite-Slurry-in-NaOH after Digestion
By Raj P. Singh Gaur
Due to high concentration of NaOH in the digested slurry after scheelite digestion, it is diluted to about 4N before filtration to separate sodium tungstate solution from the sludge (residue). Howeve
Jan 1, 2006
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Characteristics of Cathodic Reduction of Oxygen on Gold Electrode
By Yongbin Yang
Cathodic reduction of oxygen is a process involved in many fields. As is well known, the mechanism of oxygen reduction usually varies considerably with electrode substrates. In this paper, cathodic re
Jan 1, 2010
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Critical and Strategic Failure of Rare Earth Resources
This paper outlines the complete failure of the U.S. in status and relevance in Rare Earth Oxides (REO). Although rare earth oxides are strategic and critical in their own right, refining these REOs i
Jan 1, 2010
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Recent Improvements In Evaporative Cooling Technology For Copper Tapholes And Launders
By Pietro Navarra
A great deal of effort has been expended on how to optimize conventional water cooling circuits in furnace cooling elements, and the results have been largely satisfactory. However, there is a general
Jan 1, 2006
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Motivating Sustainable Material Use through Industry-Level Simulation Modeling of Platinum Stocks and Flows
By Elisa Alonso
Manufacturing firms that rely on finite resources have a stake in ensuring sustainable materials use. Higher material prices and uncertain material supply, consequences associated with scarcity, can b
Jan 1, 2010
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Geothermal Brines - High Value Mineral Extraction
By Mark C. L. Patterson
Hydrothermal brines are extracted from significant depths below the surface of the earth and arrive at the surface at elevated pressure and temperature. The exact chemistry and conditions of these br
Jan 1, 2006
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A Laboratory Investigation of the Reduction of the Iron Carbonate Bearing Ore to Iron Nugget by Means of the ITmk3 Ironmaking Technology
By N. V. . Panishev
The Bakal (South Ural, Russia) deposit of iron ore bearing iron carbonate (siderite) with the capacity of more than 1 billion tones belongs to the MMK. This ore cannot be fully processed via blast fur
Jan 1, 2010
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Nondestructive Characterization of Microstructure and Properties of Steel Products
By J. C. Pandey
The paper highlights the experimental investigations to characterize texture and plastic strain ratio r-Bar in auto grade steel sheets by ultrasonic measurements, whereas attempts were made to charact
Jan 1, 2010
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Pressure Leaching of Enargite-Pyrite Concentrates
By María Cristina Ruiz
Enargite rich copper concentrates can not be treated by conventional smelting/converting technology and thus nonconventional methods such as leaching must be used. Since enargite (Cu3AsS4) is a hard t
Jan 1, 2010
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Ceramic Tile Wastes As Alternative Raw Materials for the Production of Portland Cement Clinker
By A. Barba, M. P. Gómez, F. Puertas, M. Palacios, M. F. Gazulla, S. Martínez-Ramírez, I. García-Díaz
"The present study explores the reactivity and burnability of cement raw mixes containing fired red or white ceramic tile wastes or combinations of the two as alternative raw materials. The results sh
Jan 1, 2008
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Sustainability Study in Selective Laser Sintering ? An Energy Perspective
By Rameshwar Sreenivasan
This paper presents a sustainability analysis of Selective Laser Sintering (SLS) from an energy standpoint. Data of electrical power consumed by the system over an entire build were acquired using a L
Jan 1, 2010
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Constant and Pulse Voltage Applications in CaWO4 Reduction
By Orhan Gokce Goksu
It has been shown that metallic tungsten powder can be obtained by electrochemical reduction of solid CaWO4 in molten CaCl2-NaCl eutectic mixture at 600oC. In this study, constant and pulse voltage el
Jan 1, 2010
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Multi-scale Solidification Model for Laser Engineered Net Shaping (LENS) Process
By Hebi Yin
A two-dimensional multi-scale solidification model was developed to study the heat transfer, fluid flow, and grain growth occurring in the molten pool during the laser engineered net shaping (LENS) pr
Jan 1, 2010
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Engagement is an Essential Skill in the 21st Century
By Dirk van Zyl
As part of the North American regional activities during the Mining, Minerals and Sustainable Development Project (MMSD) one project focused on the development of sustainability evaluations at the ope
Jan 1, 2010
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Using Transmittance Measurements to Investigate the Interdiffusion through the SnO2/CdS and CdS/CdTe interfaces in SnO2/CdS/CdTe Solar Cells
By Shadia J. Ikhmayies
The SnO2/CdS/CdTe thin film solar cells were fabricated on glass substrates by using the spray pyrolysis (SP) technique for the deposition of the SnO2 and CdS layers and vacuum evaporation for the CdT
Jan 1, 2010
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A Collaborative Tool for Waste Management in the Industry
By M. S. Borges
The need for the waste management industry to reach environmental patterns, technological innovation, and a technological demand of the productive sector is covered by this study. The environmental ca
Jan 1, 2010
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Preparation of Building Material Using Elemental Sulfur and Heavy-metal Containing Slag
By Yanjie Liang
Elemental sulfur and volatilization kiln slag(VKS)containing heavy-metal produced by smelter factories were used to produce sulfured building material. The effects of heating mode, material proportion
Jan 1, 2010
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Characterization Of Some Ceramic Materials For High Pressure Applications
By A. M. Ramalho
In the synthesis and sintering processes to obtain superhard materials, such as diamond and cubic boron nitride, deformable ceramic capsule is used as gasket to transmit and support the required high
Jan 1, 2006
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Higher education: the quest for the sustainable campus
By Leith Sharp
I was confronted with a profound dilemma as an undergraduate engineering student at the University of New South Wales in Australia in 1992. I had been taught that our planetary life-support systems we
Jan 1, 2010