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High Performance Recycling of Agricultural Wastes: Rice Husk Silica Used as Reinforcements of Magnesium Sintered Materials
By Katsuyoshi Kondoh
The utilization of silica particles originated in rice husks as reinforcements of magnesium composites was discussed. By using the solid state reaction of rice husk silica particles with magnesium pow
Jan 1, 2009
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Recovery of Metals from Electronic Scrap by Hydrometallurgical Route
By Nikhil Dhawan
Electronic waste (e-waste) is a collective name given to discarded electronic devices such as Television, Cellular Phones and Personal Computers. Among the heterogeneous metals present in the e-waste
Jan 1, 2009
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The Need to Recycle Zinc: A Consideration of Public Perception, Politics and Competitiveness
By D. R. Parker
"This paper canvasses emerging trends in public policy and law, which may influence the zinc industry's interest in recycling. There are forces at work beyond direct economic benefits that will drive
Jan 1, 2000
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Experimental Analysis of Thermal, Tensile and Microhardness Properties in Directional Solidified ZA, Zn-Ag and ZINAG Alloys
By Alicia Esther Ares
The family of Zn-Al (ZA), Zn-Ag and Zn-Al-Ag (ZINAG) alloys offers high mechanical properties, ease of finishing, the advantage of low energy and pollution-free melting. Also, present alternatives
Jan 1, 2010
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Characterization of Fibers from Different Parts of the Buriti Palm Tree
By Tammy G. R. Portela
A comparative characterization of the dimensional and mechanical properties as well as structural aspects of two different types of fibers extracted from the leaves and petioles of the buriti palm tre
Jan 1, 2010
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Green Recycling of EEE: Special and Precious Metal Recovery from EEE
By C. E. M. Meskers
Electronic and Electric Equipment contains a range of components made of a wide variation of metals, plastics and other substances. Up to 60 elements can be found in complex electronic equipment: base
Jan 1, 2009
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Novel Technology for Treatment of Acidic Wastewater Containing Mercury in Zinc Smelter by Biologics
By Qingwei Wang
This study focused on acidic wastewater from producing sulfuric acid system in zinc smelter containing mercury 21.48mg/L, zinc 55.85mg/L, lead 38.50mg/L, copper 1.68mg/L, cadmium 10.25mg/L, As 29.86mg
Jan 1, 2009
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Controlling Of Foaming Phenomena During Copper Blow In Copper P-S Converter
By Pengfu Tan
Xstrata Copper at Mount Isa in Australia has operated one copper Isasmelt furnace and four P-S converters. The phenomena of foaming occur in above 10% of converter operations. A thermodynamic model of
Jan 1, 2006
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Neutralization Of Smelter Gases With Limestone In A Countercurrent Multiple Fluidized Bed System.
A three?stages countercurrent fluidized bed prototipe reactor to neutralize the SO2from smelter gases has been developed. For gases with 8 vol-%SO2, at 800°C and for 4 h mean reaction time of the lim
Jan 1, 2006
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Research Methods Of Iron Ore Sinters: Improvement In Their Quality Assessment
By Marilia S. de Magalhaes
Keywords: sinter, characterization, agglomeration, iron ore Iron ore sinters are the main burden of blast furnaces for pig iron production. The evaluation of these agglomerates is very important d
Jan 1, 2005
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Study On Tin And Zinc Recovery And Pellet Preparation For Blast Furnace From Iron Concentrate Containing Tin And Zinc
By Yuanbo Zhang
Keywords: Complex Iron Ores, Roasting, Tin, Zinc, Pellets, Comprehensive Recovery. The complex iron ores containing tin, zinc are typical refractory ores. Large reserves of the ores are found in Ch
Jan 1, 2005
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Corrosion Processes And Mineral Formation On The Surface Of Bronze Monuments In Urban Environments
By Olga Frank-Kamenetskaya
The experimental results of study of atmospheric corrosion processes on Saint-Petersburg bronze monuments surface, received in situ and by means of simulating experiments, have been discussed. Infl
Jan 1, 2006
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Atomisation As A One Step Process For Hydrometallurgical And Flash Furnace Feed
By David Norval
Ni, Co, Cu and Pt, mattes are common materials that require granulating and milling of the resultant granules for further processing. This route is acceptable if the material is brittle (friable) whi
Jan 1, 2006
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Preliminary Water Modeling Study Of Fluid Mixing In An AOD Bath Under Conditions Of Side And Top Combined Blowing
By Ji-He Wei
Keywords: stainless steel, AOD refining, side and top combined blowing, mixing characteristics, water modeling The fluid mixing characteristics in the bath during the side and top combined blowing
Jan 1, 2005
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Effect of Refractive Index on the Determination of Layer Thickness of 4H-SiC Homo-Epitaxial Films
By Zhiyun Li
Room temperature infrared reflection spectra of 2 n-type homo-epitaxial epifilms have been measured in the work. The effect of the refractive index on the determination of layer thickness using tradit
Jan 1, 2010
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Phase Transformation Of Andalusite And Its Impacts On Refractory Brick Reinforcement
By Bowen Li
Andalusite is an excellent raw material for refractory applications due to its high aluminum oxide content and phase transformation to mullite at high temperature. Granular andalusite in particle size
Jan 1, 2006
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Preliminary Investigations Into the Processing and Properties of Al-Cnt Composites
By K. Morsi
Carbon nanotube (CNT) reinforced metallic composites have been recently generating significant scientific interest, due to their expected superior properties compared with other composites. Out of the
Jan 1, 2009
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High Oxygen Shrouded Injection At Falconbridge: Five Years Of Operation
By Joël P. T. Kapusta
Although Peirce-Smith converting remains the workhorse in matte converting, the copper and nickel industries are still confronted with production hindrances such as tuyere blockage, excessive refracto
Jan 1, 2005
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Prototype camera for monitoring aluminium tapping
By D. Death
The Tapping Camera Prototype (TCP) is an instrument being developed to record and analyse video of the molten metal stream entering a tapping crucible as it is tapped from an aluminium reduction cell.
Jan 1, 2006
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Preparation Of Fibrous Ni-Co Alloy Precursor Articles By Modified Coprecipitation Method
By Zhang Chuanfu
Keywords: modified coprecipitation method, Ni-Co alloy powders, solid-solution oxalate, growth mechanism Homogeneous solid-solution oxalates of Ni2+ and Co2+ ions were synthesized by modified copre
Jan 1, 2005