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Hydrometallurgical Recovery Of Rare Earth Metals From Spent Fcc Catalysts
By M. Wenzel, Dang Thanh Tung, Nguyen Anh Duc, Nguyen Huu Luong, Dang Van Sy, N. Kelly, K. Gloe, K. Kretschmer, Phuc Nguyen Le, K. Schnaars, S. Robles M, L. Götzke, J. J. Weigand
The recovery of rare earth metals from secondary sources has attracted much attention due to their ever expanding demand in the high-tech industry. The studies reported here focus on the hydrometallur
Jan 1, 2016
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Modeling And Control Of Dioxin Formation During Iron Ore Sintering
By Pengfu Tan
In order to understand and control the formation of dioxins and furans in iron ore sinter plants and to possibly avoid expensive end-of-pipe removal stages, thermodynamic calculations on the stability
Jan 1, 2003
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Process Mineralogy Characterization of Ores, Concentrates, Tailings, and Mattes from Cobalt and Nickel Ore Deposits
By Richard D. Hangi
Process mineralogy techniques are uniquely applicable to industrial problems related to the extractive metallurgy of nickel, cobalt, and associated metals. Reflected 1ight microscopy, together with se
Jan 1, 1993
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Converting Simulation at Falconbridge Limited
By A. A. Bustos
A model was developed to simulate the blow-by-blow operation of the converting process. From the weights, compositions and temperatures of all converter feeds the model calculates the composition and
Jan 1, 1988
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SPL Treatment and Fluoride Recycling Project
By K. Mansfield
Spent Pot Lining (SPL) is an unavoidable waste product of the electrolytic process in the smelting of aluminium. SPL is considered to be a hazardous waste in various countries because it contains sign
Jan 1, 2002
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Dry Cell Treatment by Mineral Processing Methods
By Jorge Alberto Soares Tenório
Household zinc based batteries contain some heavy metals such as zinc, manganese and mercury. There is a large effort from manufacturers in order to eliminate the last one. As a municipal waste, the d
Jan 1, 1999
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Analysis Of The Molecular Form Of Arsenic In Silicate Slag
By D. M. Dabbs
A static dew point technique has been used to evaluate the solubility of arsenic in ?slag and its dependency on P02 at temperatures of 1458 and 1523K. The ferrous-ferric ion ratio of the slags ranged
Jan 1, 1983
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Improvement On Magnetic Properties Of Nanocomposite NdFeB Melt Spun Ribbons By Elemental Substitutions
By W. C. Chang
Phases and magnetic evolutions of melt spun Nd9.5(Fe1-xCox)85.5B5 (x=0, 0.05, 0.1 and 0.15), (Nd1-yLay)9.5Fe85.5B5 (y=0, 0.0.5, 0.1; and 0.15) and (Nd0.95La0.05)9.5(Fe1-zCrz)81.5B9 (z=0, 0.033, 0.06
Jan 1, 1997
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Glass Recycling
By W. L. Dalmijn
Glass recycling in the Netherlands 'has grown fr.om 10.000 to 300.000 tonnes per annum. The various advantages and problems of the glass cycle with reference to the state of the art in the Nether
Jan 1, 1995
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Criteria for Optimization of Recycling Processes of Primary and Secondary Copper Smelter Dusts
By N. L. Piret
Primary and secondary copper smelting dusts are being generated in varying quantities with very dissimilar characteristics due to the different compositions of feed materials and the type of process u
Jan 1, 1995
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Fundamental Studies on Nickel Metallurgy in China
By H. Jiang, S. Yang
"The main processes for nickel metallurgy in China consist of electric arc furnace smelting to produce low grade nickel matte and converter to high grade nickel matte, grinding and flotation to separa
Jan 1, 1988
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Calcium Reductants - A Historical Review
By B. R. Davis, Neale R. Neelameggham, R. E. Brown
The element Calcium element has a unique place in the production of etals, intermetallics and other compounds. The unusualness arises from the fact that we have several possible reductants – metallic
Jan 1, 2014
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Production of an Ultra-Pure Fraction of ZnO by the Recycling of EAF Dust
By F. Garcia-Carcedo
This research aimed to develop a clean technology for the production of ZnO from residues generated by the steel making industry. Scientific and technologic parameters were both investigated in order
Jan 1, 2000
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Copper Smelting In The 21st Century
By Nickolas J. Themelis
The role of copper in the economy will not diminish in the 21st century. Following the tenets of industrial ecology, production and use of copper must take into account both human needs and also how t
Jan 1, 1999
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Radionuclide Surrogate Decontamination of Metal Using Electroslag Remelting
By David Melgaard
A significant emerging recycling, waste minimization problem stems from legacy waste from the nuclear weapons program and from production of power using nuclear fuel. Premium quality metals used in nu
Jan 1, 2003
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Kennecott Flash Converting Furnace Design Improvements - 2001
By C. J. Newman
In January 1999, a redesign of the Kennecott Flash Converting furnace settler was initiated to enhance furnace integrity and extend furnace life. This furnace uses Kennecott-Outokumpu Flash Converting
Jan 1, 2002
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Image Analysis in Process Mineralogy
By William Petruk
The development of automatic image analysers brought the application of image analysis into process mineralogy because the analysers can measure parameters more easily, quickly and accurately than by
Jan 1, 1982
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Evolution Of The Mega-Scale In Ferro-Alloy Electric Furnace Smelting
By Lloyd Robert Nelson
The historical progression in installed electric furnace smelting capacity of some 1650 calcium, chromium, manganese, nickel and silicon ferro-alloys furnaces is reviewed. Key increases in the inheren
Jan 1, 2014
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Reaction Process of Coal Based Reduction of Siderite Ore
By Jan Pan, Deqing Zhu, Xianlin Zhou, Yanhong Luo, Zixing Xue
"Magnetic roasting process, aiming at obtaining magnetite concentrate, is the principle method of exploiting siderite as a raw material in iron and steel industry. Study on preparing DRI from siderite
Jan 1, 2013
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Process Options for Refractory Sulfide Gold Ores: Technical, Environmental and Economic Aspects
By A. Kontopoulos
Refractory sulfide gold ores or concentrates require an oxidation pretreatment step to yield the contained gold amenable to the subsequent leaching step. The process options for oxidation pretreatment
Jan 1, 1990