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Effect of Zinc in Cyanide Heap Leach Processing Solutions
By Jr. Langhans, J. S. McPartland
"The presence of zinc in cyanide solutions is generally thought to not have an adverse effect on precious metal recovery or recovery rate by heap leach processing. However, analytical interferences of
Jan 1, 1999
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Challenges In Sampling, Metallurgical Accounting And Reconciliation Of Primary Smelting Furnaces
By Jacques J. Eksteen
Metallurgical accounting around toll treatment smelters pose a number of challenges. This paper reviews the requirements for good sampling practice, and how conflicting requirements for good furnace o
Jan 1, 2006
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Recovery Of Metals From Dilute Aqueous Solutions Using Pulsed Electrodeposition
By Andrew Wessman
Keywords: Recycling, Electrodeposition, Recovery, Dilute, Dissolved Metal Ions In order to facilitate the recovery of pure metals from solutions containing a mixture of dissolved metal ions, a puls
Jan 1, 2005
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Thermodynamic Modeling of KIVCET Lead Process
By Pengfu Tan
A thermodynamic model of KIVCET lead smelting process has been developed. The model has the capability to predict the distribution behaviors of Pb, Zn, Fe, S, O, As, and heat balance in KIVCET direct
Jan 1, 2006
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LCD (Liquid Crystal Display) Separation Aiming Recycling
By Viviane Tavares
The liquid crystal display (LCD) are currently known by its vast application in electro ? electronic devices, amongst them can be detached the devices of TV, laptops, electronic date, calculators and
Jan 1, 2009
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Risks And Opportunities In Continuous Converting For Nickel At Inco
By J. R. Donald
For processing copper, continuous converting has been successfully employed in a variety of locations, but for nickel, there has yet to be a successful commercial implementation of continuous converti
Jan 1, 2005
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Valorization Of Solid Wastes As Sorbents For Heavy Metals
By Luciano R. G. Santos
Keywords: biosorption, cadmium, copper, biomass, spent zeolite. The majority of the industrial activities produce some kind of solid wastes. In this work two industrial residues (spent zeolite and
Jan 1, 2005
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Thermodynamic Evaluation Of Electronic Waste Treatment
By Scott A. Shuey
Keywords: E-Waste, Pyrometallurgy Many might think addressing the issue of e-waste is a new area of study. Electronics disposal has been discussed in some circles for at least the past 25 years. Th
Jan 1, 2005
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The Evolution of Cobalt–Nickel Separation and Purification Technologies: Fifty Years of Solvent Extraction and Ion Exchange
By C. Kathryn Sole
The close proximity of cobalt and nickel on the Periodic Table and their frequent occurrence together in nature means that their separation in primary hydrometallurgical flowsheets is not only often n
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Blister Flash Smelting - Efficient And Flexible Low-Cost Continuous Copper Process
By Jukka Tuominen
The history of making blister copper in an Outokumpu Flash Smelting Furnace dates back to the late 1960?s, when Outokumpu first piloted the Outokumpu Direct Blister (ODB) process. The first commercial
Jan 1, 2005
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Characterization of Thermal Behavior of Polyester Composites Reinforced with Curaua Fibers by Differential Scanning Calorimetry
By Ailton S. Ferreira, Rubén J. Sanchez Rodriguez, Sergio N. Monteiro, Felipe Perissé D. Lopes, Teresa E. Castillo
"Polyester composites reinforced with natural lignocellulosic fibers have, in recent times, been gaining attention in engineering areas as lighter and cheaper alternatives for traditional composites s
Jan 1, 2011
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Bioleaching Of Nickel Laterite Ore Using Halotolerant Aspergillus Foetidus Under Saline Conditions
By Vijaya Thangavelu
Biological leaching of low-grade nickel laterite is based on a non-traditional leaching of oxide minerals using heterotrophic micro-organisms. The organisms solubilise metals by excreting organic acid
Jan 1, 2006
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On-Line Radio Frequency Measurement Of Bulk Mineralogy
By Daniel Bennett
There are few methods currently applied towards on-line bulk mineralogical analysis. Yet on-line knowledge of process mineralogy could potentially provide large benefits, such as increased extraction
Jan 1, 2006
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Ion-Exchange Recovery Of Nickel And Cobalt From Metal-Organic Complexes Generated In Bioleaching Of Low Grade Nickel Laterite Ores
By A. Deepatana
Bioleaching of nickel laterite ores is based on the use of heterotrophic fungi organisms and their metabolites (organic acids) to dissolve nickel and cobalt from oxide minerals to form metal-organic c
Jan 1, 2006
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Simulation of the Effects of Thermosolutal Convection, Shrinkage Induced Flow and Solid Transport on Macrosegregation and Equiaxed Grain Size Distribution in a DC Continuous Cast Ai-Cu Round Ingot
By A. V. Reddy, C. Beckermann
"The DC continuous casting of a grain refined AI-4.5%Cu round ingot with realistic boundary conditions is numerically simulated. Of particular interest are the effects of the transport of free solid i
Jan 1, 1994
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Investigation On The Thermal Decomposition of Diaspore
By Xiaowen Liu
The thermal decomposition of diaspore was investigated by thermogravimetry (TG),differential scanning calorimetry (DSC), X-ray power diffraction(XRD),infrared (IR)spectrain this paper. The thermal dec
Jan 1, 2006
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Removal of Zinc and COF from Electroplating Effluent using Sawdust
By Yunnen Chen
This work concerns the removal of zinc(II) and COD by means of sawdust obtained as a by-product from locally used wood. The zinc(II) and COD removal study has been carried out batchwise where the infl
Jan 1, 2009
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Biosorption Removal of Aluminum Species from Wastewaters Streams
By Javier Enrique Basurco Cayllahua
In this work, a gram-positive bacteria was used as biosorbent to elucidate the aluminum load capacity under different conditions related to metallurgical and chemical plants. The sorption data followe
Jan 1, 2009
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Slag Handling In The Ironmaking Industry
By Arthur W. Cooper
This paper contains a review of the development of blast furnace? slag handling and processing technology in the Ironmaking industry over the past 30 years, with an emphasis on economic and environmen
Jan 1, 1992
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Direct Smelting of Zinc Smelter Residues in the Electric Arc Furnace
By W. K. Connor, O&apos
Thermal Treatment Technology Division Albany Research Center, U.S. Dept. of Energy Oregon. This evaluation included a characterization study and direct smelting tests conducted in a bench-scale electr
Jan 1, 2000