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Eco-Efficient Recycling Alternatives For End-Of-Life Cathode Ray Tubes
By Jeremy Gregory
The disposal of end-of-life electronics is an issue receiving increasing scrutiny. This paper evaluates several alternatives for recycling cathode ray tubes (CRTs) within monitors and televisions. T
Jan 1, 2006
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Filtration Of Solar Cell Silicon Scrap.
By Anne Kvithyld
Silicon solar cells, that convert the energy of sunlight into electric energy, are attractive sources of energy. In the production line wafers of solar cells are sliced from a multicrystaline ingot so
Jan 1, 2006
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Effects of the Mixed Surfactants on Detoxification of Chromium-containing Slag by Achromobacter sp. CH-1
By Lijuan Chen
During the detoxification of chromium-containing slag by Achromobacter sp. CH-1, anionic surfactant Sodium Dodecyl Sulphate(SDS) and its mixed systems with different Tween surfactants(Tween 20, Tween
Jan 1, 2009
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Converting and Refining – Experience in Ferrous and Non-Ferrous Metallurgy
By Cajsa Samuelsson, Theo Lehner
Converting and refining play a central role in the extraction of metals. Sweden has a long tradition as an experimental play ground for metallurgists, chemists and alchemists, developing new methods a
Jan 1, 2009
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The Spent Consumer Battery Recycling Situation In Taiwan
By Esher Hsu
Keywords: Recycling, Consumer Battery, Fee rates On November 11, 1999, all types of spent consumer batteries are proclaimed to be collected in Taiwan. Under current recycling system, all producers
Jan 1, 2005
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Precipitation Of Hematite From Metallurgical Processing Streams By Hydrolysis In The Presence Of Anionic Resins
By S. Djaroudib
Keywords: iron recovery, hematite, hydrolysis, polyvinylpyridine The precipitation of hematite (Fe2O3) from ferric chloride media at ambient pressure and at temperatures below 100°C was studied as
Jan 1, 2005
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Reaction Sequences in Sulphide Particle Oxidation
By E. J. Peuraniemi
Oxidation of chalcopyrite concentrate and two low-iron copper mattes were studied using a laboratory scale laminar-flow furnace simulating the phenomena taking place in different zones of the reaction
Jan 1, 2000
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Pullout Test Of Coir Fiber To Evaluate The Interface Strength In Polyester Composites
By Sergio N. Monteiro
Polymeric composites reinforced with natural fibers are increasingly been used in several engineering applications, from automotive parts to building construction elements. In addition to the relative
Jan 1, 2006
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Role of Research in Non-ferrous Metallurgy Development—Peter Hayes’ Contributions to Modern Pyrometallurgy
By J. Phillip Mackey
A whole new group of non-ferrous pyrometallurgical processes with the ability to utilize tonnage oxygen and capture sulphur dioxide were developed and commercialized over the period 1940s–1980s. Many
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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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Simulation of The Moulds Filling by the Finite Elements / Control Volume Method During RTM Process
By J. Samir
The objective of this study is to simulate the isothermal filling up of moulds by a RTM process when adopting CV/FEM and VOF method and when also taking into account the presence of obstacles coupled
Jan 1, 2009
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Fundamental Aspects of Electrocoagulation: Removal of Oily Wastewaters from the Metallurgical Industry
By A. G. Merma
In this work, the electrocoagulation technique was studied in order to treat chemically stabilized concentrated oil-water emulsions. This study was mainly focused on the effects of operating parameter
Jan 1, 2009
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Recent Operation Of The Flash Smelting Furnace At Saganoseki Smelter
By Yushiro Hirai
Saganoseki smelter & refinery had operated two flash smelting furnaces from 1973, attaining 330,000 mtpy of copper production in 1989. In 1996, however, it carried out a "integration of two flash furn
Jan 1, 1999
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An Evaluation Study: Recent Developments and Processing of Glass Scrap Recycling
By Burcu Ertug, Necip Ünlü
"On average, one out of two glass bottles coming on to the market is provided by recycling processes in Europe. Glass recycling has been started by the early of 1970s in Turkey, and the recycling amou
Jan 1, 2012
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Improving Energy Efficiency in a Modern Aluminum Casting Operation
By Mark Osborne, Ray D. Peterson, C. Edward Eckert
"The theoretical melting energy requirement for a typical hypoeutectic aluminum-silicon alloy is approximately 520 BTU/lb. It has been demonstrated, however, that even a state of the art secondary pro
Jan 1, 2009
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Numerical Model Of The Temperature Field And Heterogeneity Of A Casting Of Ductile Cast-Iron
By F. Kavicka
An original application of ANSYS simulated the forming of the temperature field of a massive casting from ductile cast-iron during the application various methods of its cooling using chills. The nume
Jan 1, 2006
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Technological Characterization of Serpentinite Rock from Andorinha (Bahia/Brazil)
By Aline Maria dos Santos Teixeira
Serpentinite is an ultra basic and metamorphic rock consisting mainly of magnesium, calcium and silicon oxides. The rock under study is a host rock of chromite mine located in Andorinha, BA. The objec
Jan 1, 2010
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Lightweight Structural Concrete Incorporating Volcanic Materials for Sustainable Construction
By Khandaker M. Anwar Hossain
This paper presents the development of lightweight concrete (LWC) incorporating pumice aggregate and volcanic ash (VA) based ASTM Type I blended cement (PVAC). Fresh and mechanical properties of LWC m
Jan 1, 2010
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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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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