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Characterization of Gold Ores by Mineralogical Processing Techniques
By P. Sergi
A method of characterizing gold ores with respect to processing is proposed. The method includes microscopical examinations to obtain qualitative and quantitative data that relate to processing. The m
Jan 1, 1989
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On the Reaction Mechanism of Oxidized Chalcopyrite Particles and Copper Matte with Iron Silicate Slag
By K. Fagerlund
Methods for simulation of settler reactions, matte-slag separation and matte settling in copper flash smelting have been examined. The reaction, separation and settling phenomena of slightly oxidized
Jan 1, 1997
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Particle Size Analysis of Metal Nanoparticles using Ultra-High Resolution Mass Sensors
By Kerri-Ann Hue, Kerry Hasapidis, Ken Babcock, Patrick O'Hagan
"Metallic nanoparticles exhibit properties that are significantly different from individual atoms or bulk materials. Their applications are diverse and have varying uses in areas such as cancer treatm
Jan 1, 2011
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Operational Practice with the Waelz Kiln and Leaching Plant of Tsu in Taiwan
By C. Mattich, A. L. Beyzavi
The Waelz Plant at Taiwan Steel Union Co. Ltd. (TSU) was erected within nine months from September 1, 1998 to May 15, 1999. The nominal capacity of the plant is 50,000 tonnes per year of electric are
Jan 1, 2000
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Selective Metal Recovery Using Biogenic Hydrogen Sulfide: Rio Tinto Mine, Nevada
By R. W. Harnmack
Hydrogen sulfide generated by the anaerobic respiration of sulfate-reducing bacteria was used to treat pH 2.2 water from the abandoned Rio Tinto copper mine in Nevada. The untreated water contained 55
Jan 1, 1994
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Study on Corrosion Resistance of Electrodeposited RE-Ni-W-P-SiC Composite Coating
By Yang Xianwan, Zhu Xiaoyun, Guo Zhongcheng, Zheng Yanping, Zhai Dacheng
"Corrosion resistance of RE-Ni-W-P-SiC composite coating and 3 l6L stainless steel in corrosion media of H2SO4, HCl, H3PO4 and FeC13 solutions at different concentrations by means of immersion methods
Jan 1, 2000
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Study of Bamboo Charcoal Load Ce-Doped Nano-Tio2 Photochemical Catalysis Oxidation Degradation of Formaldehyde Device
By Daowu Yang, Zhuo Ren, Hui Liu
"In this paper, the photochemical catalysis degradation effect of photocatalyst obtained by charcoal-supported nano TiO2 (nano TiO2 / charcoal) on the formaldehyde in the air was studied. The influenc
Jan 1, 2011
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Sulfur contents on the distribution characteristic of Mercury in coals
By Wei Gao, Qing-cai Liu, Cun-fang Lu, Jian Yang, Hinmi Zheng
"The mode of occurrence of sulfur and mercury in 57 Chinese bituminous coals have been examined using X-ray fluorescence spectrometry (XRF), X-ray diffraction (XRD), and Zeeman atomic absorption mercu
Jan 1, 2011
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Laboratory One-Step Bath Smelting Of Nickel Concentrate To A Low Iron Matte (Invited) (d157377d-a433-47ef-a19a-bfb5781a6d10)
By N. J. Tannyan
Laboratory bath smelting tests were conducted to determine the feasibility of smelting nickel- copper concentrate directly to a low iron matte in one step. Concentrate, air/oxygen and a silica flux we
Jan 1, 2003
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Extraction Of Organic Compounds And Metals From Hazardous Soils
By Luis W. Pommier
The developed processes, the subject of this paper, extract the hydrocarbons, halogenated organic compounds and metal contaminants from hazardous soils, rendering them non-hazardous and ready to be pl
Jan 1, 1994
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Influence Of Cao On Non-Isothermal Crystallization Kinetics Of Spinels In Vanadium Slag
By Jiang Diao, Yong Qiao, Xuan Liu, Tao Zhang, Bing Xie
Adding CaO into the vanadium extraction converter is an effective way to decrease the dephosphorization burden in subsequent steelmaking process. The crystallisation process of spinel is one of the mo
Jan 1, 2016
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Pre-Oxidation And Hydrogen Reduction Of Panzhihua Ilmenite Concentrate
By Chonghe Li, Xionggang Lu, Wei Xiao, Xingli Zou, Weizhong Ding
The reduction degree and rate of the initial ilmenite concentrate and pre-oxidation samples by hydrogen were investigated by using thermogravimetric analysis system. H2-TPR was used to detected reduct
Jan 1, 2014
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Thermodynamic Behavior and Morphology of Impurities in Its Solidification from a Si-Al Melt during t h e Refining of Silicon
By Shilai Yuan, Huimin Lu, Zhijiang Gao, Panpan Wang
"Solvent refining of silicon through using Si-Al melts is a valid method to remove the impurities from metallurgical grade silicon (MG-Si) melt. The thermodynamic behavior of impurities Fe, Al, Ca, Ti
Jan 1, 2014
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The Behavior of Cobalt in Pyrometallurgical processes
By J. W. Matousek
Cobalt behavior in pyrometallurgical processes is traditionally analyzed using slaglmatte distribution coefficients as functions of matte grades or matte iron contents. L(s/m) = (%Co) I [%Co] = f [%C
Jan 1, 1993
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Modernisation of the Lead Acid Battery Scrap Smelting Technology at "Orzel Bialy" S.A.
By Z. Smieszek, W. D?browicz, J. Pawlowski, G. Krawiec, J. Czernecki, J. Por?mbski, S. Gizicki
Rapid development of the automotive industry and motorization has been observed in Poland over the last decade. This phenomenon has increased the amount of used car batteries requiring recycling and h
Jan 1, 2000
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Vitrification by Plasma Treatment, an Environmentally Sound Technology for APC Residues
By Javier Antoñanzas, Susana Caballero, Eduardo Fernández, Jorge Aragón, Juan Carlos Múgica, Lourdes Yurramendi
Air Pollution Control (APC) residues treatment by plasma was studied as a technology for vitrification. During the project a protocol to verify the plasma technology was developed and afterwards appli
Jan 1, 2008
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Recycling EAF Dust with Contop® Technology
By J. Pesl, U. Kemey, F. Sauert
"The CONTOP® smelting cyclone is a water-cooled, upright, high-intensity smelting reactor. The technology for the reactor was initially developed and brought into industrial-scale operation in the are
Jan 1, 2000
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Use of Fe-Ni-Cr-Co Alloy Accessory Equipment to Improve Hot-Dip Galvanizing Operation Efficiency
By C. M. Antony
The galvanizing process involves the use of accessory equipment in a series of aggressive environments including zinc ammonium chloride flux, molten zinc at 45S°C (850°F), and acid for stripping of ad
Jan 1, 1992
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Mathematical Analysis on Thermal and Unbending Deformation of Continuously Cast Slabs
By Tetsuro Ohashi, Tooru Matsumiya, Yoshio Abe
"The three-dimensional deformation of a continuously cast slab was modeled into two-dimensional deformation by developing the solidified shell of the slab. The developed solidified shell was divided i
Jan 1, 1986
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Industrial :Fly Ash as a Soil Amendment Agent for Raising Forestry Plantations
By Dinesh Goyal
Industrial fly ash from (electro static precipitator) was mixed with soil at different levels on v/v basis for raising of pulpwood tree species. In field trials conducted on degraded soils increase in
Jan 1, 2002