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Application of Quantitative Mineralogy for Solving Metallurgical Problems
By John W. Ahlrichs
Microscope, electron microprobe and x-ray diffraction have been used to provide quantitative evaluation of products from the mill, smelter, refinery and other metallurgical processes. Phase compositio
Jan 1, 1981
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Hydrometallurgical Extraction Of Rare Earth Elements From Low Grade Mine Tailings
By Y. Yang, S. Peelman, J. Sietsma, Z. H. I. Sun
The rare earth elements (REEs) present in the Kiruna iron ore mine tailings are being considered as a new REE resource for the EU. These tailings, after beneficiation, contain approximately 5000 ppm o
Jan 1, 2016
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Extraction Behaviors ofLead and Zinc from Secondary Fly Ash Generated in Municipal Incineration Plants with Some Lixiviants
By Guo Xueyi
The dissolution behaviors of valuable metals, lead and zinc, from secondary fly ash generated in municipal incineration plants were investigated using some lixiviants: sulfuric and hydrochloric acids,
Jan 1, 2002
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Infrared and Laser-Based Sensors and Systems to Accurately Monitor the Temperature, Level, and Dimension of Molten and Solid Metals
By Francois Reizine
Infrared sensors will include scanning detectors and positioning sensors. The focus will be on 1, 2, and 4-color wavelength pyrometer systems which allow the accurate measurement of emissivity and, co
Jan 1, 2001
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Metal Losses to the Slag and Matte-Slag Separation in Electric Smelting of Copper-Nickel Concentrates.
The effect of change in slag composition upon metal losses to the slag and the relationship between slag composition and slag matte separation was investigated at 1400°C. The synthetic slags containin
Jan 1, 1994
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Sodium Roasting Thermodynamics Of Chromium-Containing Vanadium Slag And Its Application
By Xin Li, Hai-Xing Fang, Bing Xie, Hong-Yi Li
Chromium-containing vanadium slag (V-Cr slag) was obtained by an industrial smelting process of Hongge Ore, which is valuable vanadium-titanium magnetite to extract V and Cr in China. Sodium roasting
Jan 1, 2014
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Flotation of Microorganisms – Implications in the Removal of Metal Ions from Aqueous Streams
By Z. Yang, R. W. Smith, Jr. Wharton
"Microorganisms have the ability to remarkably adsorb and/or absorb heavy metal ions. Hence they are being studied widely as a means of removing metal ions from aqueous solutions both in order to clea
Jan 1, 1988
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Physical Chemistry of Copper and Manganese Co-Recovery from Copper and Manganese Ores and By-Products
Proposed by outstanding electrochemist and electrometallurgist Prof. Raphael Agladze (191 1- 1989), process of copper and manganese co-electrowinning was enhanced to the pre- electrowinning stages: lo
Jan 1, 1997
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Heavy Metals Recovery in Vitrification Process of MSW Residues
By Takuya Shinagawa
After vitrification of the residues from a municipal solid waste incinerator, the vitrified products can be used as a construction material, and the dust can be used as raw materials for the non- ferr
Jan 1, 2002
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The Distribution of Sn Between CaO–CuOx–FeOy–SiO2 Slag and Copper Metal at 1300 °C
By den Bulck A. Van
In Europe, 50% of the copper originates from recycling. High-Cu containing scraps are regularly rich in impurities like Fe, Ni, Sn and Pb. Many high-Cu containing scraps are fed directly into anode-fu
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A Hydro-mechanical Model and Analytical Solutions for Geomechanical Modeling of Carbon Dioxide Geological Sequestration
By Yilin Fang, Alain Bonneville, Timothy. D. Scheibe, Zhijie Xu
"We present a hydro-mechanical model for geological sequestration of carbon dioxide. The model considers the poroelastic effects by taking into account the coupling between the geomechanical response
Jan 1, 2012
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Inverse Optimal Design of the Continuous Sheet Quenching Process
By Yimin Ruan
"An inverse design method is developed to obtain the optimal cooling conditions for the continuous quenching of precipitation hardenable sheet alloys to achieve the required yield strength. The yield
Jan 1, 1998
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Kinetics of Oxychlorination of Chromium (III) Oxide
By I. Gaballah
The kinetics of oxychlorination of pure CI-2O3 with C12+02 gas mixtures is studied by ThermoGravimetric Analysis (TGA) in non and isothermal conditions up to 1000 °C. The reaction of Cr2O3 with C12+O2
Jan 1, 1997
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Bioleaching of Manganese from Ores Using Heterotrophic Microorganisms
By E. G. Noble
The potential for using heterotrophic microorganisms to solubilize manganese from low-grade domestic ores is being assessed at the Reno Research. center, U.S. Bureau of Mines. More than 90 pct of the
Jan 1, 1991
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Discussion Of The Investigation Method On The Reaction Kinetics Of Metallurgical Reaction Engineering
By Ruiling DU, Jiazhi Zhang, Yong Zhao, Keng Wu
Reaction kinetics of metallurgical physical chemistry which was successfully applied in metallurgy (as ferrous metallurgy, non-ferrous metallurgy) became an important theoretical foundation for subjec
Jan 1, 2015
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Production of Single-phase Nd2Fe14B Alloy Powder by Reduction-Diffusion Process and Application to Production of Nd-Fe-B sintered magnets
By Katsuya Kase, Kaname Takeya, Keaji Ohmori, Yoshiyuki Asakawa
"The reduction-diffusion process (the R-D process) using Ca as a reducing agent has been practiced in industry in the production of the SmCos type, the Nd-Fe-B type and the 1b-Fe-Co type magnetic mate
Jan 1, 1998
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Injection Challenges in the HIsmelt Process
By Peter Bates
"HIsmelt has faced and overcome many challenges in the understanding and development of injection technologies that satisfy process and engineering requirements for further scale up to a commercial pl
Jan 1, 1996
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Fractal Phenomenon in Bf Slag Leaching Process
By Hanlu Xie, Liang Yu, Ping Wang, Yuanchi Dong
"The leaching process is the first step when recycling BF slag as raw material for some other products. While studying the kinetics of the BF slag leaching process, a fractal phenomenon was found, whi
Jan 1, 2008
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Reduction of MnO-FeO-SiO2 Slags by Carbon-Saturated Liquid Iron
By José R. de Tenorio
The aim of the present work was to investigate the reduction process of MnO~FeO-Si02 slags by carbon-saturated liquid iron. The effect of the initial Mn content in the bath was explored. The initial M
Jan 1, 1996
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Optimizing the Sintering Process of Low-Grade Ferromanganese Ores
By Wei Luo, Yuanbo Zhang, Zhixiong You, Zijian Su, Guanghui Li, Tao Jiang
"In this study, the appropriate sintering process parameters for low-grade ferromanganese ores were investigated. The results showed that, under the condition of natural basicity (R=0.03), the optimal
Jan 1, 2013