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Chemical Corrosion Resistance Coating on Aluminum Substrate by the Sol-Gel Process
By Kazuyoshi Shimakage, Shinji Hirai, Kenji Wada
"An amorphous zirconium oxide coating was prepared by the sol-gel process using zirconium tetra-n-butoxide on the surface of aluminum to improve the corrosion resistance to salt, acid and alkaline att
Jan 1, 2000
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Time Zone Analysis of F-Curve for Intermixing during Ladle Change-Over
By Anand Kumar, Pradeep kumar Jha, Suman Kant, Pradeep Kumar
"It has been a major challenge to reduce the intermixed grade formation during ladle change-over operation in continuous casting process of tundish steelmaking. The F-curve generated by step input of
Jan 1, 2012
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Elimination Of Cobalt And Manganese From A Spent Catalyst Effluent By Coupled Transport Through Liquid Membranes
By Marc Verhaege
The effluent under investigation results from a catalic oxidation unit in which paraxylene is oxydised to terephtalic acid. The solution contains cobalt and manganese as their acetates in a concentrat
Jan 1, 1995
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Activity Measurements of Several Molten Sulfide Systems
By Akira Yazawa, Kazuo Koike, Mitsuhisa Hino
"The vapor pressures of MS (PbS, SnS and Sb2S3) in the molten Cu2S-MS, FeS-MS pseudo-binary and Cu2S-FeS-MS ternary systems were measured by means of a transportation method in the temperature range o
Jan 1, 2000
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Thermodynamic Evaluation Of Copper Loss In Slag Equilibrated With Matte (Keynote) (e1b5fcab-c04a-42e0-9f44-edfb2892ee4d)
By Yoichi Takeda
Copper solubility in SiO2-CaO-FeOx slag equilibrated with copper matte in 10% SO2 atmosphere at 1573K was estimated. Essential parameters are activity coefficients of copper oxide and sulfide, oxygen
Jan 1, 2003
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Laboratory Investigation on Electrowinning of Copper from Cupric Chloride Solution
By X. J. Wu
Effects of various factors such as diaphragm materials, composition of electrolytes and current density on copper electrowinning from cupric chloride solutions was investigated. It is found that the c
Jan 1, 1991
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A Novel Separation Technology for Removal Recovery of Metals from Aqueous Solutions
By L. L. Tavlarides, N. V. Deorkar
"Recovery/Recycling of metal ions from industrial process waste streams is a preferred alternative to disposal by conventional techniques. This paper presents methods for preparation of inorganic chem
Jan 1, 1996
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Basic Research of Direct Pyrolysis Performance of MgCl2 in Molten State
By Lv Guozhi, Niu Liping, Liu Yan, Zhao Qiuyue, He Jicheng, Zhang Ting’an, Dou Zhihe
"This paper proposed a new method of Mg and Cl2 circulating for titanium sponge production by direct pyrolysis and thermal reduction process. Effects of pyrolysis temperature, pyrolysis time and parti
Jan 1, 2012
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Characterization of the Manganese Oxide Scales Formed on Rolled Lead Anodes From a Commercial Zinc Electrowinning Operation
By T. T. Chen
The manganese oxide scales, consisting mainly of MnO2, characteristically occur in banded colloform structures which adhere to porous layers of PbSO4 and PbO2 that oxidized from the rolled Pb-0.7% Ag
Jan 1, 2009
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Merrlin Composite Anodes For Copper Electrowinning
By M. Dattilo
Research has been conducted over the past three years using the composite anodes versus the lead alloy anodes. The Merrlin composite anodes have shown the improved performance in copper electrowinning
Jan 1, 1999
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Scientific Visualization in Mineral and Material Processing
By Chen L. Lin
Scientific visualization is an ideal methodology for investigating complex phenomena that are characterized by large amounts of data. Furthermore, it is invaluable in the study of processes that evolv
Jan 1, 1993
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Study on Preparation of High-Quality Synthetic Rutile from Titanium Slag by Activation Roasting Followed by Acid Leaching
By Guan-zhou Qiu, Shui-shi Liu, Yu-feng Guo, Tao Jiang
"The preparation of high-quality synthetic ruitle from electric furnace titanium slag was systematically investigated by activation roasting followed by acid leaching process. The results showed that
Jan 1, 2011
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Setting Time of Concrete Material; Laboratory Measurements versus Field Applications
By Samir N. Shoukry, Mourad Y. Riad, Gergis W. William
"Setting of concrete material is defined as the transitional period between states of true fluidity and true rigidity. Initial and final setting times are measured in the laboratory on the mortar siev
Jan 1, 2012
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Kinetics of Oxychlorination of Magnesium Oxide
By N. Kanari
The kinetics of oxychlorination of MgO by C12+02 was studied in the temperature range of 850 °C - 1025 °C, using thermogravimetric analysis. The effects of C12/02 ratio, gas velocity, temperature and
Jan 1, 1999
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Environmental Implications of the Mineralogical Characterization of Zinc Plant Weak Acid Leach Residues
By J. E. Dutrizac
A mineralogical study of a weak acid leach residue from the Clarksville zinc plant of Savage Zinc Inc. was carried out. The study focused on Pb and Cd as these elements most significantly impact on th
Jan 1, 1995
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KLS Process Development for Lead Smelting
By S. Suzuki, Y. Maeda, N. Wakamatsu
"A new pyrometallugical technology, named KLS process, has been developed by Dowa Mining at its Kosaka Smelter to smelt various kinds of lead raw materials.The process consists of clearly separated tw
Jan 1, 1988
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Chanarcillo: An Epithermal Vein-Type and Disseminated Silver Deposit in Chile
By F. W. Warnaars
Chanarcillo is a historically well-known silver deposit which produced over 100 million ounces. High grade vein-type mineralization is confined to a prominent set of nearly vertical, NNW to NE fractur
Jan 1, 1987
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Modelling Of Melting Behaviour Of Aluminum Metal In Molten Salt And Metal Bath
By Bo Zhou
During secondary aluminum recovery, complex aluminum scraps are melted and refined often in a rotary melting furnace and the aluminum metal has to pass through a molten salt layer and melt down in a b
Jan 1, 2003
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Dissolution of Graphite in Iron Manganese Alloys
By H. Kaffash
Ferromanganese is a ferroalloy with high manganese content which finds many uses for example as deoxidizer in steelmaking industry. However, there is very little data on the dissolution rate of carbon
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Removal and Recovery of TelluriumlSelenium from Copper Slime Leachate
By Shijie Wang
In pressure oxidation leaching of copper anode slimes, than 65% of the tellurium is m' cxtraoted during decopperizing. About l0- 15% of the selenium is also dissolved simultane¬ously by severe le
Jan 1, 2003