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Nanosecond Electrical Discharges between Semiconducting Sulfide Mineral Particles in Water
By Igor Zh. Bunin
A model for developing electric discharges between sulfide mineral (pyrite) particles under high-voltage nanosecond pulses in a liquid medium (water) is considered. A possibility of electrical breakdo
Jan 1, 2010
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Stepwise Hydrochloric Acid Extraction Of Monazite Hydroxides For The Recovery Of Cerium Lean Rare Earths, Cerium, Uranium And Thorium
By T. V. Swaminathan
Monazite sand is normally processed by, the caustic soda route to produce mixed rare earths chloride, thorium hydroxide and trisodium phosphate. Bulk of the mixed rare earths chloride is used for the
Jan 1, 1989
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Mechanical Behavior of Epoxy Composites Reinforced with Acetylation-Treated Coir Fibers
By Helvio Pessanha Guimarães Santafé Jr.
The coir fiber extracted from the husk of the coconut has been extensively used as polymer composite reinforcement in a variety of industrial applications ranging from civil construction to automobile
Jan 1, 2010
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Thermal Analysis of Curaua Fiber Reinforced Polyester Matrix Composites
By Ailton da Silva Ferreira
Thermoset polymers, like the polyester, become harder with increasing temperature owing to molecular crosslink formation, which is a thermal benefit for composite matrix applications. Natural lignocel
Jan 1, 2010
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Carbon-thermal Reduction Process for making Al-Si Alloys from Al2O3-SiO2 Containing Industrial Wastes
By Jilai Xue
Industrial wastes containing 30-50 wt.% Al2O3 and 40-60 wt.% SiO2 may serve as an alternative resource for producing Al-Si alloys. Various raw materials such as used refractory materials from metallur
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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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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Building a Sustainability Strategy into a Consumer Products Business
By Leon H. Bruner
This paper presents a case study describing how a global consumer products company with 138,000 employees that markets over 300 brands in 180 countries is building sustainability into the rhythm of it
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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Retention Of Palladium Within Condensed-Tannin Gel By Redox Mechanism And Separation Of Pd And Au In Chloride Solution
By Yoshio Nakano
Keywords: Tannin gel, Palladium, Separation, Redox We have developed the novel recovery system of palladium from wastes, which is simple and generates little secondary waste in comparison with the
Jan 1, 2005
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Tensile Properties of Epoxy Composites Reinforced with Continuous Curaua Fibers
By Felipe Perissé Duarte Lopes
The tensile properties of DGEBA/TETA epoxy matrix composites reinforced with different amounts of curaua fibers were evaluated. Tensile specimens with up to 35% in volume of long, continuous and align
Jan 1, 2010
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EDXRF Analysis Of Alloys And Corrosion Products Of Metallic Pre-Hispanic Pieces Of The Museum Of Ethnology And Archaeology Of The University Of Sao Paulo
By A. C. Neiva
An energy-dispersive x-ray fluorescence spectrometer was assembled with the aim of analysing alloys and corrosion products of artistic, ethnological and archaeological pieces. The spectrometer is semi
Jan 1, 2006
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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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The Effect of Carburizing on the Fatigue Life of 4130 Steel
By R. Fragoudakis
AISI 4130 steel is a medium carbon Cr-Mo steel used in automotive, aeronautic and other general-purpose industries. In this study, 4130 steel fatigue specimens were carburized at 927oC to enhance the
Jan 1, 2010
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Slag Valorisation, as an Example of High Temperature Industrial Ecology
By Geysen. Daneel
Better slag valorization is part of improving the sustainability of steel, stainless steel and non- ferrous metal production processes. Besides, it can improve the sustainability of other products and
Jan 1, 2010
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The Practice Of Refining Impure Indium In Shaoguan Smelter
By Han Yi
The coarse indium ingots produced by Shaoguan smelter contained a lot of impurities. In order to produce the high pure indium with the purity more than 99.99%, the appropriate refining processes were
Jan 1, 2005
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Agglomeration Of ESP Dusts For Recycling To Plant Smelting Furnaces
By Peter Ryan
A patented process for agglomeration of Smelter ESP dusts is described. Addition of suitable binders followed by compaction, transforms fine, difficult to handle material into a dry, flowable agglomer
Jan 1, 1999
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A Comparative Electrochemical Study of Arsenic Removal from Organic and Inorganic Sources using Various Sacrificial Electrodes
By Jewel Andrew Gomes
Arsenic is considered as one of the toxic materials being controlled by Environmental Protection Agencies in several developed and developing countries. It is found in the nature as constituents of th
Jan 1, 2010
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Towards Sustainable Material Usage: Investigating Limits to Secondary Aluminum Sinks
By Gabrielle Gaustad
For aluminum, substitution of primary with secondary resources decreases energy consumption; this energy advantage creates a strong economic incentive to recycle. Several authors have raised concerns
Jan 1, 2010
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Ultrasound Removing Oxygen Gas Bubbles on Anode and Reducing Cell Voltage during Pb Electrodeposition
By Jilai Xue
Oxygen gas bubbles generate on anode during Pb electro-deposition process in PbSiF6-H2SiF6 aqueous solutions at room temperature. Cell voltage varies as the bubbles formed on the anodes surface. The b
Jan 1, 2010