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Investigation On The Synthesis Of Titanate Barium In Molten Naoh-Koh By The A. C Impedance Technique
By Wang Shulan
The synthesis process of BaTiO3 from TiO2 and BaCO3 in the molten NaOH-KOH at 350oC was studied by the A.C impedance technique. The A.C. impedance of molten NaOH-KOH (xNaOH = 0.36) and the variation o
Jan 1, 2005
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Improving Rechargeable Hydrogen Storage Capacity Of BCC Alloy By Eliminating Internal Defects
By Toshiki Kabutomori
In fuel cell powered automobiles, hydrogen is required to be stored in materials that have a hydrogen storage density of over 4 mass%; further, these materials should be capable of supplying hydrogen
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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Static And Dynamic Synergistic Effects For Ni(II) Extraction And The Application To Waste Solution Containing Ni(II)
By Junji Shibata
Keywords: Synergistic effect, Solvent extraction, Nickel ion, extractant mixture Waste solution from the Ni non-electric plating process contains 4.0 kg/m3 Ni (II), 0.1 kg/m3 Fe (III), 0.01 kg/m3 Z
Jan 1, 2005
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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
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Properties of Clay-Based Ceramics Added with Construction and Demolition Waste
By Wilson Acchar
The accelerated growth of urbanization processes and current environmental concerns brought to light the existing enormous quantity of construction and demolition waste (C&DW). Considering the frequen
Jan 1, 2009
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Separation of Nickel, Cobalt and Magnesium from the Spent Mh-Ni and Cd-Ni Battery Anode Materials
By Fang Wu
The paper designs an extraction flow for the total recovery of nickel and cobalt and removing magnesium simultaneously from the cadthodic materials of the spent hydrogen-nickel and cadmium-nickel batt
Jan 1, 2009
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Rheological Characterization Of Viscoelastic Composite Systems Used In Oil Industry
By Sayavur Bakhtiyarov
Keywords: Rheology, Viscoelastic, Oil In this paper we present the results of the rheological property measurements on viscoelastic composite materials used in oil industry. Laboratory experiment
Jan 1, 2005
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Synthesis and Chlorination of Titanium Oxycarbide
By Guangqing Zhang
The paper presents results of a systematic study of synthesis of titanium oxycarbide and its chlorination. Titanium oxycarbide was produced by carbothermal reduction of titania in hydrogen, argon and
Jan 1, 2009
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Plutonium Pyrochemistry Spent Salts Treatment By Oxidation And Distillation
By Christophe Thiébaut
Keywords: Pyrochemistry, Salts Treatment, Distillation The pyrochemical purification of metal generates spent salts. When this metal is an actinide such as plutonium, the slags cannot be discarded
Jan 1, 2005
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Energy Requirements In Nickeliferous Laterite Treatment
By Emmanuel N. Zevgolis
Energy required for roasting and smelting of a nickeliferous laterite ore by the rotary kiln - electric furnace process is investigated. From this work it comes that thermal energy is about 65% of the
Jan 1, 2006
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A Comparative Study of Oxidants on Gold and Silver Dissolution in Acidic Thiourea Solutions
By J. C. Huyhua
The effect or various oxidants on gold and silver dissolution in thiourea solutions (0.05 M in H2SO4) was studied using the rotating disc technique, a.t 2s c and 600 rpm. These studies were carried ou
Jan 1, 1989
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Hydrometallurgical Extraction of Rare Earth Elements from Coal
By Rick Honaker
Rare earth elements (REEs) contained in coal and associated mineral matter exist in several forms including micro-dispersed minerals, ion adsorption onto clay surfaces, and chemically bound. Tests fou
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Preparation of Cadmium Ingot and Nickel Powder from Spent Cd-Ni Batteries
By Chang-Dong Li
Cadmium ingot and nickel powder were prepared by high-temperature distillation, solvent extraction and liquid phase reducing method with spent Cd-Ni batteries as raw material. The impacts of the tempe
Jan 1, 2009
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Progress In Converting And Casting
By Theo Lehner
Turning matte into anodes continues to be an area to watch: for visitors to see pyrometallurgy in action; for metallurgists to keep up with modern smelting furnaces and ever increasing production rate
Jan 1, 2005
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A Basic Study On The Effective Utilization Of Chromium-Containing Steel Slag (Invited)
By Etsuro Shibata
The saturated solubility of chromium oxide and the valence of chromium in the slag are important matters when considering how to effectively utilize chromium-containing slags. The experimental data of
Jan 1, 2003
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Technology For Processing Of Lead-Bearing Materials From Copper Metallurgy At KGHM Polska Miedz S.A.
By Ryszard Prajsnar
During copper production in shaft and flash smelting processes at KGHM Polska Miedz S.A., lead bearing material of sulfide, sulfate, and oxide character is generated in forms such as slime from shaft
Jan 1, 2002
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CONSCAN, A Laser Measurement System for Furnaces which are Operating on High Temperatures
By Oliver Zach
To know as much as possible about the condition of the refractory material (lining thickness, slag layer, build ups, ...) in an high temperature furnace is very important due to the safety and economi
Jan 1, 2006
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A Study Of Accuracy And Reproducibility Of High Temperature Differential Scanning Calorimetry
By Susan Jacob
The heat of fusion of silver was measured using high temperature differential scanning calorimetry (HTDSC). Heating rate, sample mass, calibration standard and cover gas flow rate were varied to dete
Jan 1, 2006
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Design Of Supersonic Nozzles For Ultra-Rapid Quenching Of Metallic Vapours
By M. N. H. Khan
CSIRO has been experimenting with supersonic flows as a method of rapidly quenching metallic vapours. Cooling rates above 106 °C/s have been achieved. The supersonic flow conditions are achieved by ad
Jan 1, 2006