Search Documents
Search Again
Search Again
Refine Search
Refine Search
-
Technical Developments And Environmental Improvements On The Peirce Smith Converters At Sumitomo?s Toyo Smelter & Refinery
By Harumasa Kurokawa
Since the initial start-up, the Toyo Smelter & Refinery has been operating in harmony with the ambient environment, and improvements have been implemented with technologies specifically developed for
Jan 1, 2005
-
Criteria for Optimization of Recycling Processes of Primary and Secondary Copper Smelter Dusts
By N. L. Piret
Primary and secondary copper smelting dusts are being generated in varying quantities with very dissimilar characteristics due to the different compositions of feed materials and the type of process u
Jan 1, 1995
-
Energy Saving in the Foundry Industry by Using the “Crimson” Single Shot Up-Casting Process
By Mark Jolly
"Instead of using the traditional batch casting process, the CRIMSON [1] (Constrained Rapid Induction Melting Single Shot Up-Casting) method employs a high-powered furnace to melt just enough metal to
Jan 1, 2010
-
Thermodynamics And Kinetics Of Cyclones Melting Of Metal Sulphides
By I. Barin
The thermodynamics of cyclone smelting of sulphidic copper ores is described using as example the production of copper matte with 75 wt % Cu. Equilibrium calcualtions and material and energy balances
Jan 1, 1983
-
High Oxygen Shrouded Injection At Falconbridge: Five Years Of Operation
By Joël P. T. Kapusta
Although Peirce-Smith converting remains the workhorse in matte converting, the copper and nickel industries are still confronted with production hindrances such as tuyere blockage, excessive refracto
Jan 1, 2005
-
Micro-Macro Modeling of Solidification Processes and Phenomena
By Vaughan R. Voller
"The wide range of length and time scales found in solidification processes are outlined and discussed. Methods for Direct Microstructure Simulation (DMS) are introduced. Key features in sharp interfa
Jan 1, 2001
-
Electrochemical Characterization And Modeling Of A Solid Oxide Membrane-Based Electrolyzer For Production Of Magnesium And Oxygen
By Xiaofei Guan, Adam C. Powell, Uday B. Pal, Srikanth Gopalan
This paper reports a solid oxide membrane (SOM) electrolysis experiment using an LSM– Inconel inert anode current collector for production of Mg and O2 at 1423K. The electrochemical performance of the
Jan 1, 2014
-
Metallic Wires Elaboration Directly From Thin Liquid Jets
By Ludovic Charpentier
Production of metallic wires directly from liquid jets would avoid drawbacks of extrusion (space needed, damaging, cost?) and enable recycling. But liquid jets tend to break, due to capillary instabil
Jan 1, 2006
-
Challenges and Opportunities of a Lead Smelting Process for Complex Feed Mixture
By Christoph Zschiesche
Managing complex material streams within a lead smelting/reduction process has a long history at Aurubis. After modernization of the secondary lead smelter in 1991, Aurubis operates an electric furnac
-
Local Temperature Control For Die Casting Processes
By Tiebao Yang
In high pressure die casting processes, a die plays a critical role in removing heat from the molten metal during the cavity filling and solidification stages. Proper control of die temperature is ess
Jan 1, 2006
-
Early Separation of Cerium from Mixed Rare Earths: A Review of Methods and Preliminary Economic Analysis
By J. R. Goode
There are at least a dozen methods of selectively removing cerium from a mixture of the rare earth elements (REE) including separation techniques based on the oxidation of cerium to the quadrivalent s
-
Ausmelt Technology, Flexible, Low Cost Technology For Copper Production In The 21st Century (Invited)
By Joseph Sofra
It has become increasingly evident that sustainable metals production in the 21st century requires producers to balance the needs of cost effective, high value production with that of responsible plan
Jan 1, 2003
-
Numerical Simulations of Jet Break-up Phenomena for the High Pressure Die Casting Process
By Valerio Viti
In High Pressure Die Casting a molten metal is injected through a thin gate into the cast cavity. High injection pressures and high gate velocities create atomization phenomena which can negatively af
Jan 1, 2006
-
The Analysis of Orthogonal Experiment Method Of Carbon-Coated LINI1/3MN1/3CO1/3O2 Via Microwave-Pyrolysis Method
By Zhang Libo, Peng Jinhui, Zhang Zhengfu, Fu Mengbi, Han Yamei
In this paper, results of a novel synthesis method of carbon-coated LiNi113Mn113Co11302 cathode material for lithium-ion battery are reported. The carbon coating was produced from a precursor, glucose
Jan 1, 2013
-
Chemical Co-Deposited PbS - CuS Thin Film Characterization: Effect of Annealing
By Mishark Nnabuchi
A heterojunction of PbS - CuS thin film has been grown on glass slides by SGT. The films were annealed for 1hr at temperature of 373K and 423K respectively. The optical properties were characterized u
Jan 1, 2010
-
Recycling of Mobile Phone Batteries Using the Ausmelt Catalytic Waste Converter
By J. Fogarty, J. Sofra
The mobile telecommunications sector is one of the fastest growing industries worldwide. However, increasingly stringent environmental regulations are placing pressure on manufacturers to accept respo
Jan 1, 2000
-
Models of Selective Grinding and Mineral Liberation in Rod and Ball Mills for Mineral Processing Plant Simulation
By A. Broussaud
An original methodology has been developed for steady state simulation of selective grinding and mineral liberation in rod and ball mills. Three fundamental aspects of the methodology are presented su
Jan 1, 1987
-
A Study on Heat Transfer Coefficient Distribution in High Pressure Hydrogen Quenching
By Bowang Xiao
Recently more and more attentions are paid to high pressure hydrogen quenching (HPHQ) for its advantages such as environmental friendliness, low distortion, etc, compared to oil and water quenching. I
Jan 1, 2010
-
The Chemistry Of Fuming Zinc From Oxide Slags Using Coke (Keynote)
By D. G. C. Robertson
The thermodynamics and kinetics of the reactions involved in fuming zinc from oxide slags using coal or coke were first studied in 1955 and have been the subject of many investigations since that time
Jan 1, 2003
-
Aluminum Smelter Waste Heat Recovery Plant (Heat Exchangers Fouling and Corrosion-a Detailed Investigation)
By Reza Kamali, Mohsen Bashiri, Hadi Fanisalek
"Nomenclature: A: area (m2), C: heat capacity (WIK), cp: specific heat (J/Kg K), d: internal tube diameter (in), F: correction factor for multi-pass and crossflow heat exchanger, h: convective heat tr
Jan 1, 2012