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Constitution Of Electrical Conductivity Of Copper Sulfate Electrolytes Acidified With Sulfuric Acid For Copper Electro-Refining And -Winning Processes
By K. Tozwa
The electrical conductivity of electrolytes for copper electrorefining and electrowinning processes has been reported by many researchers since 1911. The experimental results show that the conductivit
Jan 1, 2003
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Biosorption of Metal Contaminants from Addie Mine Waters
By T. H. Jeffers
The U.S. Bureau of Mines' Salt Lake City Research Center. has developed porous polymeric beads containing immobilized non-living biological materials for extracting metal contaminants? from waste
Jan 1, 1991
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Reduction Of Co2 Emissions By Chemical Synthesis Processes In The Cement Industry
By Oscar Jaime Restrepo, Juan Camilo Restrepo, Jorge Ivan Tóbon
Portland cement is obtained by a conventional synthesis process from a mixture of limestone and clay at high temperature (1450 °C). This work reports the possibility to obtain cement silicates via alt
Jan 1, 2016
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Energy Efficient, Non-Wetting, Microporous Refractory Material for Molten Aluminum Contact Applications
By Kenneth McGowan
"The aluminum industry is the 5th largest consumer of energy and the largest consumer of energy on a per-weight basis. Process heating accounts for 25% of the energy consumed to manufacture aluminum.
Jan 1, 2009
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Function of High Pressure Roll Grinding in Production of Magnetite Oxidized Pellets
By Yufeng Guo, Tao Jiang, Jianjun Fan, Haizheng Hao
"Function of High Pressure Roll Grinding (HPRG) in production of oxidized pellets from magnetite concentrate as raw material was systematically studied. It was found that bentonite dosage decreased fr
Jan 1, 2011
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Recovery Of Nickel And Copper From Polymetallic Sulfide Concentrate Through Salt Roasting Using Nh4Cl
By Qian Xu, Guangshi Li, Xionggang Lu, Xingli Zou, Hongwei Cheng, Cong Xu, Changyuan Lu
The roasting of nickel-bearing sulfides is a complex but important process which has not been adequately characterized. Combination of X-ray diffraction and scanning electron microscopy has been prove
Jan 1, 2016
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Distribution Of Minor Elements In Sulfide Smelting (Keynote)
By Kimio Itagaki
The distribution ratios of Ag, Pb, As, Sb and Bi for the Cu2S-FeS or Ni3S2-FeS matte / FeOx SiO2, FeOx-SiO2-CaO or FeOx-CaO slag equilibration in a MgO crucible were determined experimentally at 1523~
Jan 1, 2003
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High-Technology Metals Under Pressure: Strategies for Nickel and Cobalt
By E. A. Thiers
The causes of structural changes in the markets for high technology alloying metals are discussed in terms of technological, economic, and financial trends. Recent market imbalances have affected prod
Jan 1, 1988
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Electrodeposition of CdTe Semiconductor from Ammoniacal Aqueous Solutions
By Kuniaki Murase, Tetsuji Hirato, Yasuhiro Awakura
"Electrodeposition of CdTe was studied using aqueous ammonia-alkaline electrolytic baths in which Cd11-and Te1V-ions are dissolving as Cd11(NH3)/+ and Te1vol-ions, respectively. Ca-thodic polarization
Jan 1, 1998
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Chemical Vapor Deposition of Silicon Carbide by the MTS/Hydrogen System
By Peter Brown
The present work involves the study of Chemical Vapor Deposition (CVD) of silicon carbide from the methyltrichlorosilane (MTS) - hydrogen system. A computer program, SOLGASMIX has been employed to cal
Jan 1, 1992
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Study on Preparation of High-Quality Synthetic Rutile from Titanium Slag by Activation Roasting Followed by Acid Leaching
By Guan-zhou Qiu, Shui-shi Liu, Yu-feng Guo, Tao Jiang
"The preparation of high-quality synthetic ruitle from electric furnace titanium slag was systematically investigated by activation roasting followed by acid leaching process. The results showed that
Jan 1, 2011
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The Petrographic Examination of Refractory Service. Samples
By Robert P. Stevens
It is important for a refractory supplier to make systematic petro-graphic examinations of products which have been in service in the furnaces and kilns of customers. The petrographic examination of r
Jan 1, 1981
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An Inverse Finite Element Evaluation of Roll Cooling in Hot Rolling of Steels
By Miroslav Raudensky, Kallol Bera, Jaroslav Horsky, Jee G. Chang, Ampere A. Tseng
"A combined experimental and finite element approach to study the local heat transfer coefficient is presented in this paper. The heat transfer coefficients at different cooling regimes in a roll are
Jan 1, 1994
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Convert Melting Slag Directly Into High Basicity Glassceramic
By Cang Daqiang, Li Yu, Liu Xiaoming, Zong Yanbin
"Utilization of high-quality heat in melting slag is a great challenge for iron and steel industry. In the paper, a new method is put forward to concurrently utilize heat and slag by converting the me
Jan 1, 2014
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Numerical Simulation of Fluid Flow and Heat Transfer in a Waste-Heat Boiler of the Outokumpu Flash Smelting Process
Numerical simulation of the fluid flow and heat transfer has been carried out for a waste-heat boiler in an Outokumpu type copper flash smelter. In this boiler, SO2-containing off-gas flows into the w
Jan 1, 1995
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Construction Of The New Plant Of Continuous Sludge Disposal System At Hot Rolled Annealing And Pickling Line
By Makoto Suzuki
After hot rolling, stainless steel strip is processed by the Hot Rolled Annealing and Pickling line (HAP) , where H2SO4 or mixed acid of HNO3 and HF is normally used. In the pickling bath, metal oxide
Jan 1, 1996
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Relationship between the Surface Tensions and the Compositions of Copper and Nickel Mattes
By Zhang Hengzhong
Based on thermodynamics of surfaces and a proposed two-dimensional state equation for surfaces, the relationship between the surface tension (Y) of a solution and the activity (a1) of its component (i
Jan 1, 1993
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Characterization of Tensile Properties of Piassava Fiber Reinforced Polyester Composites
By Alice Barreto Bevitori, Felipe Perissé Duarte Lopes, Denise Cristina Oliveira Nascimento, Sergio Neves Monteiro, Isabela Leão Amaral da Silva
"The piassava fiber is one of the most rigid natural lignocellulosic fibers, which has since the last decade been investigated as possible reinforcement for polymeric composites. In the present work,
Jan 1, 2011
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Trends in Refractory Technology
By J. E. Allen
The trend in refractory technology for the copper and nickel industries has been to higher quality raw materials and improved processing technology. These changes have been dictated by the changes in
Jan 1, 1994
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Kinetic Studies of Tank Degassing
By G. A. Irons, D. Guo, D. Angheiina
To produce low-carbon (<30 ppm) steel in the tank degassing process, a ladle of steel with an oxidizing slag is placed in a vacuum tank equipped with bottom bubbling. The kinetics of this process are
Jan 1, 2000