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The Removal of Nickel from Leachate of Galvanic Sludge with Titanium Dioxide
By Ozgul Dere Ozdemir, Muge Sari Yilmaz, Sabriye Piskin, Deren Sibel Kasap
"Galvanic sludge is generated at the end of the waste water treatment process of metal plating system. The waste sludge is one of the main hazardous solid wastes produced by metallurgical industries.
Jan 1, 2011
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Electropurification of Zinc Leaching Solution
By S. Goto, S. Yamashita, K. Hata
"The average consumption of zinc dust for purification of zinc leaching solution is more than 25 kg per tonne of electrolytic zinc. Authors proposed to remove impurities in zinc leaching solution by e
Jan 1, 1997
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Fundamentals of Bonding by Isothermal Solidification for High Temperature Semiconductor Applications
By Rainer Schmid-Fetzer
"Isothermal solidification can be used to form strong bonds at low temperature which remain solid at much higher temperatures. The exploitation of this principally known technique for new high tempera
Jan 1, 1996
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Distribution Behaviour Of Various Elements In Copper Smelting Systems
By Akira Yazawa
Experimental results for the distribution ratios of various elements between the slag, matte and/or copper in the silica-saturated copper smelting system were summarized. The experiments were carried
Jan 1, 1983
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Conversion of Illmenite to TiC & Fe Using a Non-Transferred Arc Thermal Plasma Reactor .
By Patrick R. Taylor
Ilmenite concentrate and methane are fed to a non-transferred arc thermal plasma reactor to produce a powder that is primarily TiC and Fe. This material has promising characteristics for powder metall
Jan 1, 1996
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Arsenic And Antimony Removal From Copper Concentrates By Digestion With Nahs-Naoh
By Felipe Daroch, Maria C. Ruiz, Rafael Padilla
Copper concentrates with high arsenic contents must be pretreated before conventional smelting to prevent environmental pollution with arsenic compounds. In this work, experimental results concerning
Jan 1, 2015
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A Study on the Fire Refining of Crude Copper by Alkaline Carbonate Fluxes
Thermodynamics and kinetics? of the removal of Va elements (As,Sb,Bi) from copper were investigated 1n the fire relining by alkaline carbonate fluxes such as Li 2co3 , Na 2CO3 and K2CO3. The distribut
Jan 1, 1987
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Kinetic Studies of Reduction of Some Transition Metal Tung States
By Du Sichen, S. Seetharaman, J. A. Bustnes
"The present study deals with the kinetic studies of reduction of some selected transition metal tungstates with hydrogen. The measurements were carried out by the isothermal thermogravimetric method.
Jan 1, 1996
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Electrochemical Deposition of High Purity Silicon from Molten Fluoride Electrolytes
By Henrik Gudbrandsen, Geir Martin Haarberg, Ana Maria Martinez, Karen S. Osen, Sverre Rolseth
"The Several approaches were tried for developing an electrochemical route for producing high purity silicon from molten salts. K2SiF6 and metallurgical grade silicon were used as the source of silico
Jan 1, 2014
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Carbothermal Reduction pf Ilmenite Concentrate at High Temperature
By Run Huang, Xuewei Lv, Lei Lei, Guibao Qiu, Chenguang Bai
"The TiO2-rich slag and pig iron can be produced from ilmenite concentrate by the electric furnace process. In this study, ilmenite concentrate was reduced in a vertical furnace equipped with a weight
Jan 1, 2011
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Development of Processing Maps of lnconel 718 for Computer-Aided Metal Forming Process
By lndu S. Das
An analytical simulation of the material characteristics of Inconel 718 is developed and bounds for mechanical and microstructural stability are obtained for isothermal and temperature-dependent cases
Jan 1, 1992
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Heap Leaching in Extreme Northern Climates, an Overview of the Brewery Creek Mine, Yukon, Canada
By Rod Samuels, Rupert Allen, Thomas Harper
"Viceroy Resource Corporation of Vancouver, B.C., has recently developed and brought into production the Brewery Creek Mine, an open-pit heap leach gold mine, located 55km east of Dawson City in Yukon
Jan 1, 1997
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A Comparison of Some of the New Titanium Metal Technologies with DuPont R&D and Commercial Results Through the 1960's
By James W. Reeves
DuPont was the titanium metal pioneer who put the greatest effort into both R&D and commercial sponge and powder metallurgy production. This was concentrated in the period 1945 through 1963. The comme
Jan 1, 2001
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Melting Behavior of Silica Flux in the Copper Converter
By Guo Xian Jian
In this paper, the effects of matte grade, flux grain size, blast flowrate and blast O2 content on the process of silica flux melting in a copper converter were investigated. The results showed that t
Jan 1, 1996
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Improving The Caraíba Metais' Slag Treatment
By André L. B. Bittencourt
The copper content in the waste slag represents the greatest loss in the process of Caraíba Metais' Smelter. By identifying the variables responsible for copper stabilization in the slag, a minim
Jan 1, 1994
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Magnetic Materials for the Conversion of Magnetic Energy to Cooling and Heating
By Karl A. Gschneidner
The magnetocaloric effect has been known for 120 years and has been utilized for cooling about 70 years. But in the last four years significant advances have been made to show that magnetic refrigerat
Jan 1, 2002
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Effect Of Carbonaceous Coatings On Preg-Robbing Of Chalcopyrite
By H. Tan
?Preg-robbing? is the active adsorption of gold from cyanide solution by the ore components. The role of carbonaceous coatings on chalcopyrite surfaces in the preg-robbing of chalcopyrite has been inv
Jan 1, 2003
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Effect Of Al2O3 Or Mgo Addition On Liquidus Of Feox Corner In Feox-SiO2-Caoslag At 1250 And 1300 °C
By Hector M. Henao
The FeOX-CaO-SiO2 base slag at intermediate oxygen partial pressures is very often used in non-ferrous smelting processes. This slag would also contain Al2O3 and MgO because these compounds are normal
Jan 1, 2006
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Recovery Of Nickel And Copper From Polymetallic Sulfide Concentrate Through Salt Roasting Using Nh4Cl
By Qian Xu, Guangshi Li, Xionggang Lu, Xingli Zou, Hongwei Cheng, Cong Xu, Changyuan Lu
The roasting of nickel-bearing sulfides is a complex but important process which has not been adequately characterized. Combination of X-ray diffraction and scanning electron microscopy has been prove
Jan 1, 2016
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Electrochemistry: The Key To Understanding Hydrometallurgical Reactions
By Matthew Jeffrey
Leaching, cementation, electroplating and flotation are all electrochemical phenomenon. They are also key processes in the hydrometallurgical treatment of metals. Unfortunately electrochemical methods
Jan 1, 2003