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Dimensioning, Scale-up and Operating Considerations for Six Electrode Electric Furnaces Part I: Current and Heat Flow in the SlagBy R. Hurman Eric
The electrode in a slag-resistance electric furnace is the central factor in the design and operation of the furnace by its role of conveying the smelting power, i.e. heat needed for the operation. Th
Jan 1, 1995
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Hydrometallurgical Detoxification and Metal Recovery from Fly AshBy G. Gao
Flyash from municipal solid waste (MSW) incinerators is frequently classified as a characteristic hazardous waste due to its lead and cadmium content. Extensive investigation has therefore been carrie
Jan 1, 1991
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Volatilization Of Rhenium From Molybdenite Concentrate By Oxidative RoastingBy Linfeng Zhou, Yuanbo Zhang, Rong Sun, Guanghui Li, Zhiwei Peng
The volatilization behavior of rhenium in the process of oxidative roasting of a molybdenite concentrate with 43.55 wt.% Mo and 321 g/t Re is explored based on identifying the relationship between vol
Jan 1, 2016
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Preparation Of Al-Ti Master Alloys By Aluminothermic Reduction Of Tio₂ In Cryolite Melts At 960°CBy Junli Xu, Xianwei Hu, Kaiyu Xie, Liangxing Li, Zhongning Shi, Zhaowen Wang, Bingliang Gao, Aimin Liu
Al-Ti master alloys were prepared by aluminothermic reduction between the dissolved titanium dioxide and aluminum in cryolite melts at 960oC. The kinetic analysis by differential scanning calorimetry
Jan 1, 2015
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Research On The Use Of Waste Silica From The Cerro Prieto Geothermal Field, MexicoBy John W. Lund
The Geo-Heat Center has been investigating the utilization of waste silica from the Cerro Prieto geothermal field for several years. The main objectives of the research were to com-bine silica with va
Jan 1, 2006
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Oxidation of Copper Matte Particles Under Simulated Flash Converting ConditionsBy Kirsi M. Riihilahti
The oxidation characteristics of solid copper matte particles under simulated Kennecott-Outokumpu Flash Converting conditions are presented. This project is concerned with the determination of the eff
Jan 1, 1997
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Government Regulations (Sara Title III) And The Small BusinessesBy Rajesh K. Mishra
The person in charge of Environmental Affairs in a small business has many higher priority projects (such as making money to meet the employee? payroll etc.) than filling out and filing the regulatory
Jan 1, 1992
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Optimization of the Zinc Slag Fuming ProcessBy G. G. Richards
The zinc slag fuming process is used to recover zinc from molten iron-calcium silicate slags by treatment with pulverized coal and air. The rate of zinc fuming is controlled by the complex interaction
Jan 1, 1994
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Dimensioning, Scale-up and Operating Considerations for Six Electrode Electric Furnaces Part 11: Design and Scale-up Considerations for Furnaces Treating PGM-Containing Copper-Nickel ConcentratesBy R. Hurman Eric
The flow of molten slag and matte and the estimation of the mass of settled matte in electric furnaces is discussed and the action of the electric furnace as a settler is considered. Particle size of
Jan 1, 1995
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Mechanism and Thermodynamics of Floating Slimes FormationBy J. Brent Hiskey
The global copper industry faces a technological challenge to develop processing schemes for more complex and impure ores and concentrates. Group 15 elements (As, Sb, and Bi) represent impurities that
Jan 1, 2012
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Synthetic Fuel Production Utilizing CO2 Recycling as an Alternative to SequestrationBy James O'Brien, Lyman Frost, Grant Hawkes, S. Elangovan, Manohar Sohal, J. S. Herring, Joseph Hartvigsen, Carl Stoots
"Pressing environmental and energy security concerns have brought much needed attention to economic production of hydrogen as the secondary energy carrier for non-electrical markets as well as to meet
Jan 1, 2010
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Physical Modeling Of A RH Degasser To Study Decarburization RateBy Alysson Tadeu Pereira Almeida
Steels with low concentrations of nitrogen, hydrogen and carbon have been in large demand lately. The RH process is a secondary refining process that can simultaneously attain significant levels of re
Jan 1, 2006
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Ionic Liquid Electro-Deposition Of Reactive MetalsBy James Vaughan
Ionic liquids are solvents of interest for applications such as electro- plating, winning and refining of metals. Of particular interest is the possibility of processing reactive metals such as alumin
Jan 1, 2006
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Climate Change and Metal & Mining Sector: An Overview of Trends, Project Potential and its AbatementBy P. K. N. Raghavan
This paper identifies potential technologies for Carbon dioxide abatement from the mining and metal industry with special reference to the Aluminium industry. Mine reclamation could contribute to this
Jan 1, 2011
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Rare Earths And Rechargeables - The Role Of Ree's In Reversible Metal HydridesBy G. D. Sandrock
The science and technology of roan temperature rechargeable metal hydrides began about 1969 with the discoveries that the intermetallic Compounds LaNi5 and TiFe could be, conveniently hydrided and deh
Jan 1, 1992
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Mechanical Pretreatment of Lead-Based Alloy Anodes for Zinc ElectrowinningBy Hideyuki Takahashi, Taro Aichi, Kazuyuki Tohji, Makoto Muramatsu, Rie Sato
"There are several ways to condition lead-based alloy anodes for zinc electrowinning: electrochemical treatment, chemical treatment and physical treatment. Two advantages of physical treatments are th
Jan 1, 2012
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Preparation Of Tic From Titanium Bearing Blast Furnace Slag By Carbothermal Reduction In VacuumBy Fangqing Yin, Qingyu Deng, Zhengfeng Qu, Mengjun Hu, Meilong Hu
Titanium bearing blast furnace slag, which contains 20%-30% TiO2, is a valuable secondary titanium resource. Based on the thermodynamics calculation effect of the temperature on the reduction of the s
Jan 1, 2016
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Technological Improvements in Anode Furnace Operation At Saganoseki Smelter and RefineryBy S. Yabe
The reinforcement of the annual copper production capacity to 330,000 metric tons has been attained at Saganoseki Smelter & Refinery in 1991, which is one of the largest and most efficient custom smel
Jan 1, 1993
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Optimization Of Microwave Drying Of Salt With Response Surface MethodologyBy Hong-ying Xia, Bao-bao Wang, Jin-hui Peng, Bing-guo Liu, Li-bo Zhang, Zhi-qiang Li
Based on optimization using response surface methodology designed by Box- Behnken, to study the interaction of wet industrial salt with moisture drying temperature (50-90 ); duration (10-50s); and the
Jan 1, 2015
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U.S. Bureau Of Mines Small-Scale Arc Melter Tests On Simulated Low-Level Radioactive WastesBy W. K. Connor, O&apos
The U.S. Bureau of Mines, in cooperation with the Idaho National Engineering Laboratory (INEL), conducted over 30 hours of melting tests to vitrify simulated low-level radioactive wastes from the INEL
Jan 1, 1994