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Solving Mineral Processing Problems with Advanced Surface Science Techniques
By M. T. Thomas
Sufficient development of the X-Ray Photoelectron Spectroscopy (XPS), the Auger Electron Spectroscopy (AES), and the Secondary Ion Mass pectroscopy (SIMS) has made these instruments ideal for solving
Jan 1, 1981
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Injection Technology To Recover Nickel And Cobalt From Spent Catalysts
By P. Thapliyal
The petroleum refining industry generates over a million tons of spent catalyst per year, containing valuable metals. Currently, these materials are recycled to smelting furnaces, but the fundamental
Jan 1, 1996
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Analytical Techniques Used for Investigating the Recycle of Lead from Fire Assay Wastes
By Sue Xue, Carl C. Nesbitt
A project was completed which investigated the efficacy of recycling lead or lead monoxide from various fire assay wastes including crucibles, cupels and slag. The scope of the project was to determin
Jan 1, 1999
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Indirect Drying Of Concentrates At Copper And Nickel Smelters By Means Of Innovative, Cost Effective Environmental Technologies
By Christian M. Sagedahl
The stringent environmental regulations for air pollution regarding emission control, along with the need of dry concentrates to feed autogenous smelting processes, are enhancing the development of cl
Jan 1, 1999
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Recovery & Separation of High Value -Plastics from Discarded Household Appliances
By D. E. Karvelas
Argonne National Laboratory is conducting research to develop a cost-effective and environmentally acceptable process for the separation of high-value plastics from discarded household appliances. The
Jan 1, 1996
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Phosphate Mineralogy of the Alsace-Lorraine Iron Ores and the Potential for Phosphate Liberation by Beneficiation
By Musa Karakus
The sedimentary iron ores of Alsace-Lorraine, France have very high phosphorous contents that average 0.7% and are as much as 2.19% P. Ores from the Tucquegnieux and Joeuf mines have been studied by c
Jan 1, 1989
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Separation of Si and SiC Microparticles of Solar Grade Silicon Cutting Slurry by Micropore Membrane
By Hongmin Zhu, Suning Liu, Kai Huang
"Recovery of silicon particles from the cutting slurry for the manufacturing of solar grade silicon is very important to recycle this kind of special resource. The challenge is to separate the silicon
Jan 1, 2014
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The Temperature Behavior And Microwave Thermo Gravimetric Analysis Characteristic Of Ammonium Paratungstate In A Microwave Field
By Cheng Fang, Zhou Lie-xing, Peng Jin-hui, Guo Sheng-hui
This article discusses the behavior of temperature and microwave thermo gravimetric analysis characteristic of ammonium paratungstate in a microwave field. Experimental results show that when 12g of m
Jan 1, 2015
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An Investigation Of TiB2 Synthesis Using TiO2/B4C/C Powder Mixture
By Filiz Sahin
This paper presents a synthesis of TiB2 via carbothermal reduction method using a mixture of TiO2, B4C and C prepared in molar ratio of 2:1:3. Reduction experiments were carried out in a high temperat
Jan 1, 2008
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Hydrometallurgical Extraction of Lead in Brine Solution from a TSL Processed Zinc Plant Residue
By R. Rajiv Srivastava
Brine leaching of a TSL processed zinc-plant residue (ZPR), containing 83.3% anglesite, has been investigated for lead recovery. A prior treatment of ZPR in acid solution did not show any significant
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Columnar to Equiaxed Transition in 316 L Stainless Steel
By Alicia E. Ares
316 L Stainless Steel samples were solidified directionally under conditions which produced the columnar to equiaxed transition. The position of the transition was located in each sample and the dista
Jan 1, 2002
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Kaolin Aspect Ratios Determined by Automated Microscopy and Electron Energy Loss Spectroscopy
By Tim B. Vander Wood
Standard methods of determining clay mineral powder aspect ratios involve manual scanning electron microscopy analyses of shadowed particles in order to measure both platelet thickness and diameter. W
Jan 1, 1995
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Undercooling Of Rapidly Solidified Droplets And Spray Formed Strips Of Al-Cu (Sc)
By S. Yin, A. Bogno, H. Henein, P. Natzke
Impulse Atomization (IA) (a single fluid atomization technique) was used to rapidly solidify Al- 4.5wt%Cu and Al-4.5wt%Cu-0.4wt%Sc under argon atmosphere. In addition to the IA-generated droplets, the
Jan 1, 2015
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Application Of Two Phase Hydrodynamic Modeling To An Electrowinning Cell
By A. Filzwieser
The highest current density suitable for the electrowinning process is between 50 to 60 % of its limiting current density. One of the most important influences on the limiting current density is the t
Jan 1, 1999
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Rapid Synthesis of Ultrafine WC-Co Cemented Carbides by In-situ Reactions and Spark Plasma Sintering
By Wenbin Liu
A novel route for rapid synthesis of ultrafine WC-Co cemented carbides with homogeneous binder phase distribution is reported. The composite powder is produced by in situ reduction-carbonization react
Jan 1, 2008
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Experimental Investigation of Interaction Rates of Iron Oxide Particles with Molten Iron-Carbon-Slag Systems
By G. G. Krishna Murthy
Several experiments were carried out to simulate the bath smelting reactions where iron oxide particles were dropped on to an iron-carbon bath containing molten CaO-SiO2-Al2O3 slag layer on its surfac
Jan 1, 1993
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Sensors for EMF Measurements in Molten Salt Electrolysis
By P. T. Velu, R. G. Reddy
"The use of emf measurements to derive classical thermochemical data has been in use for many years. The reaction associated with electrochemical process is harnessed in a galvanic cell and energy inv
Jan 1, 1997
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Removal Of As, Cd, And Pb From Contaminated Smelter Soils By Incineration .
By Christina V. White
An experimental study was undertaken to investigate the feasibility of utilizing vapor transport for the treatment of heavy metal contaminated smelter soils. The focus of this project was to develop p
Jan 1, 1996
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Arsenic Removal From A Nickel Concentrate
Roasting treatments were investigated to remove arsenic from a nickel concentrate. The main arsenic minerals and their proportions in the concentrate were niccolite (NiAs)-50%, gersdorffite (NiAsS)-40
Jan 1, 2005
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Electron Field Emission from Nitrogen-Doped Amorphous Carobn Thin Films Prepared by Arc Ion Plating
By Osamu Takai, Yoshiki Sato, Nobuhiro Tajima, Hiroyuki Sugimura
"Amorphous carbon thin films doped with nitrogen ( a-C:N) have been synthesized by means of shielded arc ion plating (SAIP). Their electron field emission properties, that is, threshold field strength
Jan 1, 2000