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Cost Benefits of EAF Bottom Purging Systems Due to Metallurgical ImprovementsBy Karl-Michael Zett, Marcus Kirschen, Ashraf Hanna
"Bottom purging systems are well established practice in refining metallurgy and an increasingly important technology for the EAF process in steel industry. Direct bottom purging provides efficient mi
Jan 1, 2013
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Continuous Hydrothermal Synthesis of Metal Oxides in Sub-and Supercritical WaterBy Tadafumi Adschiri
"Supercritical water can provide an unique reaction atmosphere for synthesizing metal oxide nanoparticles. Due to the drastic change of properties of water around the critical point, including density
Jan 1, 2000
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Supercritical Fluid Extraction of Rare Earth Elements from NiMH BatteryToday’s world relies upon advanced green technologies that are made of critical elements with unique properties. Examples include rare earth elements (REEs) that are critical in the manufacturing of w
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A Manufacture Process of New Type Tungstate and Hydrogen Reduetion of Tungsten Oxide ThereofBy Cao rong-jiang, Tang Xin-he
"In ordinary manufacture process of tungsten powder, a preferable intermediate product used is ammonium paratungstate (APT). The particle size of tungten powder made from it through W2OO58 is larger t
Jan 1, 1988
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Recycling Metal-Bearing Hazardous WasteBy V. Ramachandran
Under the Resource Conservation and Recovery ACT (RCRA), generators of listed or characteristic hazardous wastes must find satisfactory means for disposal. of wastes. Initially, for many this meant la
Jan 1, 1994
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Thermal Stability of Ionic LiquidBy Zhijing Zhang
Long-term thermal stability of ionic liquids is essential for reliable performance of ionic liquids in any engineering applications. TGA studies were carried out on a series of ionic liquids with diff
Jan 1, 2002
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Recovery of Nickel and Vanadium from Heavy Oil Residues Using DC Plasma SmeltingBy P. Tim Johnson
Relentless increases in demand for nickel and vanadium for uses such as steelmaking, catalysts and battery materials, plus the growing financial and environmental costs of their primary extraction, ha
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Current Status of Heat Recovery from Granulated SlagBy Mansoor Barati, Shaghayegh Esfahani
"The slag from extraction of ferrous and non-ferrous metals is a potential heat source which if treated properly can contribute to recovery of a significant amount of energy. The waste heat of slag ma
Jan 1, 2012
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Co-Simulation in Hydromet Process DesignBy Lanre Oshinowo
Computational Fluid Dynamics (CFD) is used in conjunction with process modelling at HATCH to achieve a superior level of confidence in the process design of hydrometallurgical process plants. The use
Jan 1, 2004
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Simulation of Solidification Process of Steel Ingot under Different Thermal Boundary ConditionsBy Jie Ma, Bo Wang, Jieyu Zhang, Jian Zhao, Zheng Chen
"In this paper, solidification process of steel ingot was simulated by ProCAST software, based on cellular automaton-finite element (CAFE) model. A 22 t steel ingot was divided into continuous small z
Jan 1, 2014
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Continuous Circuit Production and Accelerated Ageing of Iron(III)- Arsenic(V) Coprecipitates - Probing Process-Stability RelationshipsBy Richard Jack De Klerk
The standard industrial method of arsenic removal from acidic aqueous processing effluents involves coprecipitation of arsenic with ferric iron (Fe/As>3) by lime neutralization in continuous circuits.
Jan 1, 2008
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Recovering Zinc and Lead from Electric Arc Furnace Dust: A Technology Status ReportBy A. D. Zunkel
Increasing amounts of electric arc furnace dust (EAFD) are being generated worldwide as more steel is produced from electric furnace melting of galvanized steel scrap. In most countries, the managemen
Jan 1, 2000
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Operation of the Air Liquide Shrouded Injection (ALSI™) Technology in a Hoboken Siphon ConverterBy Joël P. T. Kapusta, Romeo U. Pagador, Noparut Wachgama, Chumnoom Khuankla
"Thai Copper Industries (TCI) is a custom copper smelter and refinery in Rayong, Thailand, with an annual capacity of 165,000 tons of cathodes. It employs the El Teniente Technology as the primary sme
Jan 1, 2009
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Destructive Distillation: An Environmentally Benign Waste Management TechnologyBy Richard A. Heckman
Destructive Thermal Technology (DTT) is used in the management of various waste streams. DTT includes Destructive Distillation, Pyrolysis and Classical Incineration. Recent work has more clearly defin
Jan 1, 1994
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Mathematical and Physical Modeling of Non-Ferrous Metals Extraction ProcessesBy J. W. Evans
Mathematical modeling has now become a standard technique in the development of new technology and the improvement of existing technology in the processing industries. Physical modeling has a longer h
Jan 1, 1993
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Ultra-High Purification of Transition Metals by Anion Exchange Applying Various Oxidation StatesBy Kouji Mimura, Tamas Kekesi, Yongfu Zhu, Masahito Uchikoshi, Minoru Isshiki
"The formation and anion exchange sorption of chloro complex ions can offer a great potential to be utilized for the separation and purification of metals in aqueous solutions. Available stability dat
Jan 1, 2000
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EMD Deposition on Mn2O3/Ti Anode for Manganese Recovery from Zinc Electrowinning SolutionsBy Yuuki Yoshida
Electrolytic manganese dioxide, EMD, is the positive electrode material of primary batteries and the raw material of LMC used as the positive mass of lithium ion batteries and is currently produced by
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Study on Improving the Quality of Pellet Made from Vale Hematite Pellet FeedBy Tiejun Chun, Marcus Emrich, Jian Pan, Deqing Zhu, Vinicius Mendes
"Joint projects of studies of hematite acid pellet have been implemented to develop technological solutions for using Vale hematite pellet feed in Chinese palletizing plant. Beneficial improvements on
Jan 1, 2011
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MF Process For Recycling Materials TreatmentBy Yasuyuki Murayama
MF is the semi-blast furnace which has been developed at Mitsui Miike Smelter in the 1960's to treat vertical retort residue. The MF has also been tested for treatment of various recycling materi
Jan 1, 1992
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Cause Analysis On Buildup Formation Of Carbon Sleeve In Continuous Annealing Furnace For Non-Oriented Silicon Steel Produced By Csp ProcessBy Huasheng Chen, Gaifeng Xue, Jing Zhang, Mingsheng He, Bin Liu, Yexian Ouyang, Shoujun Peng
Based on the investigation and study of the topography, microstructure and composition of the buildups which form in the surface of carbon sleeve in continuous annealing furnace for lowand medium-grad
Jan 1, 2015