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Analysis of Carbon Emission Reduction of China’s Integrated SteelworksBy Hongxu Li, Pu Liu, Hao Bai, Daqiang Cang, Lihua Zhao
"Coal, as the main energy in ferrous metallurgy, is consumed on a large scale and great amount of CO2 is emitted likewise. In this paper, a model, based on carbon balance, was developed for CO2 emissi
Jan 1, 2011
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Process Mineralogy Characterization of Ores, Concentrates, Tailings, and Mattes from Cobalt and Nickel Ore DepositsBy 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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Current Operation at La Caridad SmelterBy J. H. Meza V
La Caridad operated at only 65% of design capacity during the first five years of operation. After the first major shutdown and repairs to the furnace in mid- 1992, the smelter quickly reached 95% of
Jan 1, 1993
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Grain Structure Evolution in Al-Cu Alloys Solidifying during Unidirectional Flow over a Chill: Comparison of a Ca Model with ExperimentsBy Chidchai Loyprasert, R. A. Stoehr
"A computer model has been developed to predict grain structures in alloys solidified under unidirectional flow using a combination of three techniques -- solution of the equations for flow of an inco
Jan 1, 1999
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Numerical Investigation Of The Self-Reduction Process Of Pellets In A Rotary Kiln With Post-Combustion To Produce DRIBy Jose Castro
The growing demand of scrap to supply the electric arc furnace has driven to search for new alternatives of raw material. The DRI produced using self-reducing pellets has become competitive due to the
Jan 1, 2006
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Precipitation Stripping of Samarium Oxalate ParticlesBy Y. Fukunaka, M. Niinae, E. Kusaka, T. Kuzuya, R. Ishii
"Samarium oxalattr particles was precipitated in oxalic acid aqueous solution from samarium-loaded D2EHPA solution emulsified with a conventional impeller. The calculated fractional precipitation of s
Jan 1, 2000
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Mineralogical and Textural Characterization of Lead SinterBy John M. Gaines
Lead concentrates from the Viburnum Trend in Southeast Missouri are sintered, prior to smelting, to bind the particles together, homogenize the feed, and reduce the sulfur content. About 20% of the si
Jan 1, 1992
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Validating Temperature Measurements in Pyrometallurgical Applications - A Case StudyBy M. Tangstad, H. Mølnäs, J. D. Steenkamp
"Temperature affects several aspects of pyrometallurgical systems, including thermodynamics and reaction kinetics. Reliability of temperature measurements in laboratory and plant applications is thus
Jan 1, 2012
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Mathematical Model of Formation of Cross-Sectional Wall Thickness Variations in Tubes During Cold Plug Drawing ProcessBy Gennady I. Gulyayev
A mathematical model of plastic deformation occurring in cold plug drawing of mother tubes with initial cross-sectional wall thickness variations (CSWTV) has been developed. The main provision of the
Jan 1, 2003
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Pre-Oxidation And Hydrogen Reduction Of Panzhihua Ilmenite ConcentrateBy 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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The Physical Chemistry of Nucleation of Sub-micrometer Non-oxide Ceramic Powders via Sub-oxide Vapour-phase Reduction ReactionBy Animesh Jha
"Fine ceramic powders (<500 nm) exhibit exceptional physical and mechanical properties in engineered structural ceramics. The production of fine powders, in particular the non-oxide ceramics, via a ch
Jan 1, 1996
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Photo-catalytic, Semiconducting and Ion Conducting Properties of AgCuS Film on ChalcopyriteBy Charles L. Richman
The effect of the addition of Silver Sulfide on the rate of Chalcopyrite (CP) of Sulfuric acid (H2SD4 leaching is discussed, Although Ag2S in an expensive addition, a theoretical explanation of it&apo
Jan 1, 2001
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Mechanical Properties and Microstructural Characterization of the Commercial Aluminum Alloy 6063 Under Different Homogenizing Thermal TreatmentBy J. R. Rendón
Cylinders of commercial aluminium alloy 6063 were homogenized under different conditions. The experimental results indicated that the general mechanical behaviour as related to curves of 0.2% yield s
Jan 1, 1997
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A Novel Technology Of Vanadium Extraction From Stone CoalBy XUEWEN WANG, Bowen Li, Mingyu Wang
A novel technology characterized by higher extraction of vanadium and recovery of valuable elements was developed to recover vanadium from stone coal. The brief flow of the novel technology mainly inc
Jan 1, 2015
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Treatment of Produced Water by ElectrocoagulationBy Jewel Gomes
Produced water (PW) is salty water trapped in the reservoir rock and brought up along with oil or gas during production. It subsists under high pressures and temperatures, and usually contains hydroca
Jan 1, 2009
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Mine Site Production Of Value Added SX-EW Copper Products - The Alternative To CathodeBy S. J. Kohut
Until recently SX-EW technology has only been used to produce conventional cathode for the cyclical commodity marketplace. Unlike electrorefining, SX-EW lends itself to the integration with the downst
Jan 1, 1999
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Behavior Of Quartz And Carbon Black Pellets At Elevated TemperaturesBy Merete Tangstad, Fei Li
This paper studies the quartz and carbon black pellets at elevated temperature with varying temperature and gas atmosphere. High-purity quartz and commercial ultra-pure carbon black was mixed (carbon
Jan 1, 2016
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Gold Leaching By Using Ammonium Thiosulfate Solution And Gold Recovery By Solvent Extraction And CementationBy Toyohisa Fujita
The effect of variables on the gold extraction with ammonium thiosulfate was investigated on sponge gold and ore samples. The Effects of CUS04, (NH4hS203, NH40H, (N~hS04' pH, stirring speed and r
Jan 1, 2003
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Optimum Conditions of Dismantlement for Recovery of Valuables from Spent Lithium Primary BatteriesBy Shun Myung Shin, Kang Jeong, Kyoungkeun Yoo, Jin Koo, Dong Hyo Yang, Soo Sohn
"The optimum discharging condition to dismantle the batteries without explosion was investigated to recycle the lithium primary batteries, which could be exploded by heating too much or crushing. The
Jan 1, 2008
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Application of Solvent Extractions and Solvent-Impregnated Support to the . Treatment of Effluents from Electroless Nickel Plating ProcessesBy Mikiya Tanaka
This paper outlines our attempt to establish a recycle process of nickel in the spent baths and waste rinse water of electroless nickel plating plants using solvent extraction and solvent-impregnated
Jan 1, 2003