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Microbial Reduction of Lateritic Nickel Ore for Enhanced Recovery of Nickel and Cobalt through Biohydrometallurgical Route
By N. Pradhan, B. K. Mishra, B. D. Nayak, B. K. Mohapatra, R. K. Mohapatra
"Present study is about use of a group of Iron[Fe(III)] Reducing Bacteria (IRB) to convert the goethite (a-FeOOH) present in the original lateritic Nickel ore to magnetite under an anaerobic condition
Jan 1, 2009
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Delivering A National Process Design Unit With Industry Support
By Don Ibana
Supported by the Minerals Council of Australia (MCA) through the Minerals Tertiary Education Council (MTEC), three Australian universities–Curtin University, Murdoch University and the University of Q
Jan 1, 2014
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Refractories for Nickel Extractive Metallurgy
By L. J. Davies
Refractories usage in furnaces for the extraction of nickel from both sulphides and lateritic ores is reviewed. Recent changes in raw materials and basic brick qualities developed to meet the increasi
Jan 1, 1988
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Development and In Place Leaching of Mountain City Chalcocite Ore Body
By C. B. Catanach
The development and in place leaching of a chalcocite ore body at Mountain City, Nevada is described. Block caving was used to induce permeability while ore removed during development was leached in h
Jan 1, 1976
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Investigation of Charge Transfer Resistance at Pyrite Electrodes Modified by Gold and Silver Nanoparticles
By David G. Dixon, Maziar Eghbalnia
"Gold and silver nanoparticles (NPs) were deposited on pyrite at ambient temperature from colloidal solutions prepared by reduction of hydrogen tetrachloroaurate or silver nitrate by sodium sulfide or
Jan 1, 2012
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Microscopic Morphological Compensation Film Thickness For Phase-Separated Composite Film
By Chang Chia -Fu
The generic structure of our bimesogens is shown in and for a typical blue-phase mixture of the type we describe here. We use mixtures of the ratio 33.4% (n =2.6), 34.1% (n =6.57), 36.6% (n= 11.15) wi
Jan 1, 2006
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Production of Purified Lithium Salts with a One-Stage Solid Phase Extraction
By R. Hammen
Processes are needed to rapidly and cost-effectively produce highly pure lithium salts for the rechargeable battery sector. Lithium purification is a chemical engineering challenge, due to the low con
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Characteristics of Chrysocolla Pertinent to Acid Leaching
By S. L. Pohlman
Physical characteristics of possible importance in the acid leaching of Chrysocolla have been evaluated. Surface area studies and pore size distribution indicate: 1) a large surface area (350 m /gm);
Jan 1, 1976
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On The Preparation And Stability Of Scorodite
By George P. Demopoulos
In this paper the production and stability of crystalline scorodite (FeAsO4·2H2O) is discussed both on the basis of previously published work as well as recent work performed in our laboratory. The pr
Jan 1, 2005
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Kinetics of Dehydration of FeSO4.7H2O under Different Atmospheres
By N. Kanari
The kinetics of oxychlorination of MgO by Cl2+O2 was studied in the temperature range of 850 °C - 1025 °C, using thermogravimetric analysis. The effects of C12/02 ratio, gas velocity, temperature and
Jan 1, 1999
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Nano-Particulate Design and Preparation for Targeting and Controled Release of Drugs
By Yoshinobu Fukumori, Testuya Watanabe, Futoshi Shikata, Hiroyuki Tokumitsu, Hideki Ichikawa, Masahito Miyamoto
Nano-particulate systems have attracted much attention recently in pharmaceutical field as drug carriers and functional components of pharmaceutical dosage forms. This paper describes our approaches i
Jan 1, 2000
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Volatilization Of Rhenium From Molybdenite Concentrate By Oxidative Roasting
By 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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Sulfur in the Intec Copper Process
By Peter K. Everett
One of the major driving forces behind the development of the Intec Copper Process has been the increasingly stringent regulations governing SO2 emissions and, in some parts of the world, a declining
Jan 1, 1996
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Numerical Simulation And Experimental Characterization Of A Binary Aluminum Alloy Spray ? Application To The Spray Rolling Process
By S. B. Johnson
Keywords: Spray, Aluminum, Simulation A stochastic, droplet-resolved model has been developed to describe the behavior of a binary aluminum alloy spray during the spray-rolling process. In this pr
Jan 1, 2005
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Increase Of Flexural Strength Of Red Ceramic Pieces Incorporated With Ornamental Rock Waste: Application Of Weibull Statistic For Determination Of Best Firing Temperature
By C. B. Piazzarollo
Ceramic materials exhibit dispersion results after being subjected to various levels of stress, from the point of view of mechanical strength. With the focus on sustainable development and to improve
Jan 1, 2015
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PEM Fuel Cell Bipolar Plate - Material Selection, Design and Integration
By Atul Kurnar
In the present research a two-cell polymer electrolyte membrane fuel cell stack (PEMFCS) with SS-316 bipolar plates has been tested. Different flow field designs were studied and a modified multi-para
Jan 1, 2002
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Embrittlement of Low Carbon Low Alloy Steel Occurring in the Austenite and y-Ferrite Regions
By Xingjian Gao
The mechanical properties of a low carbon low alloy steel in the austenite and _-ferrite regions have been examined by thermal-tensile tests using a Gleeble-1500D system at temperatures in the range 6
Jan 1, 2010
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Effects Of Oxygen Mass Transfer On Chalcopyrite Leaching By Thiobacillus Ferroxidans - Summary
By Othon do Rêgo Monteiro Neto
[The present study has investigated the extraction of copper from a chalcopyrite flotation concentrate using an adapted strain of Thiobacillus ferrooxidans and shake flasks, tank leaching and Warburg
Jan 1, 1985
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Recycling Of Base Metals From Metal Wastes Of Brass Foundries
By Carl C. Nesbitt
A process has been developed to recover and recycle metals from wastes of brass foundries which contain copper, zinc and lead in various quantities. Tests were conducted to evaluate several leachants,
Jan 1, 1995
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Solid Oxide Membrane (SOM) Technology For Cost Effective And Environmentally Sound Production Of Metals And Alloys From Their Oxide Source
By A. Krishnan
Keywords: Tantalum extraction, SOM Technology, inert anode, membrane stability The Solid Oxide Oxygen Ion conducting Membrane (SOM) technology offers great potential for environment friendly and en
Jan 1, 2005