Search Documents
Search Again
Search Again
Refine Search
Refine Search
-
Metallurgical Considerations For Recycling Siliceous- Bearing Materials In The Mitsubishi Continuous Copper Converter
By Fumito Tanaka
The Mitsubishi Process is the sole pyrometallurgical process for the continuous production of blister copper from copper concentrates. Continuous converting originates from the application of the pro
Jan 1, 2005
-
New Applications of Sheet Casting Of Silicon and Silicon Composites
By A. Schönecker, P. Y. Pichon, B. Kraaijveld, Y. Meteleva-Fischer
"Ribbon-growth-on-substrate is a casting method, which offers a possibility to control heat flow, nucleation and subsequent crystal growth at the liquid-substrate interface. This technology allows for
Jan 1, 2014
-
Separation Of Alumina Inclusions Across Interfaces Between Molten Steel And Ladle-, Tundish-, And Mold-Slags
By G. N. Shannon
Keywords: inclusions, slag, modeling, interfacial energy, capillary force, particle flotation, particle separation A previously introduced model of inclusions separating across a steel-slag interfa
Jan 1, 2005
-
Processing of Grinding Waste of Rhenium-Containing Alloys to Manufacture Commercial-Grade Metals
By E. I. Gedgagov, A. V. Tarasov, V. M. Paretsky, A. D. Besser
"Hydrometallurgical technology and equipment have been developed in the Gintsvetmet Institute (Moscow, Russia) for processing of rhenium-containing alloys waste to produce commercial- grade metal prod
Jan 1, 2008
-
Pyrometallurgical Refining Of Copper In An Anode Furnace
By H. Antrekowitsch
The decreasing quality of the input materials in copper recycling leads to a higher content of impurities in the anode copper. An improvement of the pyrometallurgical refining process is therefore nec
Jan 1, 2005
-
Thermodynamic Research of the Dissolving of Chrysocolla (Cusio3LH2O) in the Ammonia-Ammonium Chloride-Water System
By Liu Wei
In order to make clear the dissolving characteristic of the chrysocolla (CuSiO3?H2O) in the ammonia-ammonium chloride solution, a thermodynamic model of the chrysocolla (CuSiO3?H2O)-ammonia- ammonium
Jan 1, 2010
-
Plasma-Assisted Chemical Vapor Synthesis of Tungsten Carbide and Cobalt Nanocomposite Powder
By Taegong Ryu
A thermal plasma process was used to synthesize nanosized tungsten carbide -cobalt composite powder, in which ammonium paratungstate and cobalt oxide were reacted with a gas mixture containing CH4, H2
Jan 1, 2009
-
Simulation Of Reactive Pellets In A Pyrometallurgical Bath Using Sph
By Paul W. Cleary
Keywords: Reactive pellets, CFD, Lagrangian SPH, Pyrometallurgy In several pyrometallurgical processes, reactive pellets are added to a melt. Heat is transferred to the pellets and reaction product
Jan 1, 2005
-
The Smelting of Copper-Nickel Concentrates in an Electric Furnace
By Roger C. Urquhart
Copper-nickel-sulphide ores mined in the Rustenburg district of South Africa are generally smelted in electric furnaces because of the high-temperature slag produced, the availability of cheap electri
Jan 1, 1976
-
Fe-Ni Alloys Formation in Carbonthermal Reduction Process using Laterite Nickel Ore
By Jilai Xue
Fe-Ni alloys can be used as raw material in making stainless steel. Laterite nickel ore is one of mineral resources for producing nickel alloys. In this work, the laterite ore after dehydration at 800
Jan 1, 2010
-
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
-
Structural And Morphological Characterization Of A Natural Graphite After Application Of High Pressure And High Temperature Treatment
By A. L. D. Skury
In the synthesis of diamond, the precursor graphite must present a degree of crystallinity to assure optimum yield and quality for the transformed crystals. X-ray diffraction, SEM and TEM analyses wer
Jan 1, 2006
-
Recovery of Components and Valuable Metals from Printed Circuit Boards
By A. Gibson
Most methods for the treatment of scrap printed circuit boards do not reclaim the components in working order as the boards are either fed to a copper smelter, to recover the valuable elements, or, si
Jan 1, 2009
-
Characterization of Refractories in Gasification Systems Using Post Mortem Analysis and Thermodynamics
By Kwong. Kyei-Sing
Gasification is a process that converts a carbon feedstock into synthesis gas (CO+H2). Slagging gasifiers operate at high temperature and pressure and in a corrosive-wear environment from the slag. Cr
Jan 1, 2010
-
Recent Operation and Improvement at the Sumitomo Toyo Peirce-Smith Converters
By Kosei Morita, Osamu Nakano, Katsuhiko Nagai, Kazuhiro Mori
"The Sumitomo Toyo Smelter and Refinery commenced its operation in 1971 with three Peirce- Smith (PS) converters. “2 hot – 1 blowing” operation was practiced, that is one of two available converters w
Jan 1, 2009
-
Vibratory Stress Relief in D-406 Aerospace Alloy
By M. Bilal Khan
Thermal stress relief by means of a typical heat treatment cycle (660oC for one hr) is compared with the one achieved through vibratory stress relief at resonant and multiple resonant frequencies for
Jan 1, 2009
-
Recycling System of Waste Materials from Discarded Mobile Phone
By Kunihiko Takahashi, Gjergj Dodbiba, Hisayoshi Umeda, Toyohisa Fujita
"An increasing number of mobile phones is increasing the number of the discarded mobile phones. Many efforts are thus being made to collect and recycle these devices. This paper is a short introductio
Jan 1, 2008
-
Thermodynamic Modeling of copper drossing process in lead refining
By Pengfu Tan
Lead blast-furnace bullion cools to near its freezing point in an operation known as copper drossing or hot drossing usually contains 0.02-0.06% copper. The removal of this copper is usually carried o
Jan 1, 2006
-
Utilization of Aluminum Slag for the Expansion of Lightweight Concrete
By Xuan Li
Aluminum slag is generated when aluminum metals are recycled through a smelting process in the presence of salt. There are small amounts of aluminum metals trapped in the aluminum slag. This research
Jan 1, 2010
-
Douglas Centenary Commemoration 1918–2018: Engineering the Science— James Douglas, Early Hydrometallurgy and Chile
By W. William Culver
James Douglas became known in the nineteenth century for two reasons fundamental to his mining career: (1) his experimental work with copper hydrometallurgy, and (2) his grasp of the idea that the qua