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Cyanide Heap Biological Detoxification
By Patrick Clark
As part of the Mine Waste Technology Program (MWTP), a large-scale column test using bacteria and a sulfide ore was conducted at McClelland Laboratories, Inc., in Sparks, Nevada. Four technology prov
Jan 1, 1998
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Recycling Non-Ferrous Metals From U.S. Industrial Waste
By Paul B. Queneau
U.S. plants solely devoted to recovering values from metal-rich wastes have established market niches based on one or more competitive advantages: superior process technology, access to key feedstock
Jan 1, 2003
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A Thermodynamical Approach of Chemical Vapour Deposition of TiN on Stainless Steel
By Staia. Mariana H.
Thermochemical equilibria of the heterogeneous system Ti-N-H-CI-Fe-Cr-Mo-Ni-Mn-C were calculated by using a commercial software based on the minimization of the free energy. Equilibrium calculations w
Jan 1, 1995
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Aluminum Scrap Supply and Environmental Impact Model
By P. R. Bruggink
"A quantitative tool has been developed to assess the impact of changes in recycling rates on the environmental impact of aluminum supply. It has been applied to the USA to forecast sources of aluminu
Jan 1, 2000
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Influence of Fly Ash and Fluorgypsum on the Hydration Heat and Compressive Strength of Cement
By Dao-Wu Yang, Ju-Lan Zeng, Li-Xian Sun, Yan Yao
"The hydration heat of the pure cement, the fly ash single-dopped cement, as well as the fly ash and fluorgypsum co-dopped cement were investigated by means of micro-calorimety with an eight-channel m
Jan 1, 2011
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Kinetics Of Extracting Vanadium From Stonecoal By Alkali Leaching
By Shengfan Zhou, XUEWEN WANG, Bianfang Chen, Mingyu Wang
Vanadium was leached from roasted stone coal by NaOH solution, and the effect of leaching temperature, leaching time, addition of NaOH, liquid to solid ratio, the grinding fineness of stone coal, and
Jan 1, 2016
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A Pilot-Plant Scale Test of Coal-Based Rotary Kiln Direct Reduction of Laterite Ore for Fe-Ni Production
By Guanghui Li
Nickel pig iron (NPI), used as a substitute for electrolytic nickel, is able to reduce the production cost of stainless steel greatly. Aiming for preparing NPI from nickeliferous laterite ore, a pilot
Jan 1, 2014
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Continuous Casting Simulation of 2304 Duplex Stainless Steel via Horizontal Directional Solidification Technique
By Xiangru Chen, Honggang Zhong, Qijie Zhai, Qingqing Sun
"A horizontal directional solidification equipment, with an in-situ pouring system, was employed to physically simulate the solidification behavior of continuous casting. In this paper, the 2304 duple
Jan 1, 2012
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Transition Metal Doping of Manganese Cobalt Spinel Oxides for Coating SOFC Interconnects
By Jason Ganley, Yingjia Liu, Adam Dekich, William Tilson, Jeffrey Fergus, Dileep Kumar CJ
"Manganese cobalt spinel oxide coatings have been shown to be effective for preventing chromium volatilization from interconnect alloys, and the associated cathode poisoning, in solid oxide fuel cells
Jan 1, 2012
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Semi-Solid Processing of Hyper-Eutectic Cast Iron
By Masaru Imaizumi, Hiroyuki Nomura, Mitsuharu Takita
"Cast iron possesses many superior characteristics caused from precipitated graphite structure, for example, castability, wear resistance, solid lubrication, damping capacity. But the more graphite hy
Jan 1, 2000
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Fluidity of Silicate Slags from a Hazardous Waste Incinerator
By Zhijing Zhang
The management of hazardous wastes is important in a society which is increasingly concerned with environmental issues. Incinerators such as the slagging rotary kiln are widely used in the treatment o
Jan 1, 2002
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Thermodynamic Analysis Of Hydrogen Production From Cog-Steam Reforming Process Using Blast Furnace Slag As Heat Carrier
By Wenjun Duan, Qingbo Yu, Qin Qin, Junxiang Liu
In the study, the coke-oven gas (COG)-steam reforming process using hot blast furnace slag (BFS) as the heat carrier is explored for producing hydrogen and recovering high-grade waste heat of hot BFS.
Jan 1, 2016
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Reduction Behavior of Pellets Balled with Bentonite
By Yuan-bo Zhang, Gui-hong Han, Yan-fang Huang, Tao Jiang, Guang-hui Li
"Under isothermal conditions, the reduction behavior of oxidized pellets balled with bentonite was investigated with CO-CO2gas mixers in the temperature range from 900°C to 1100°C. The whole reduction
Jan 1, 2013
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The Intragranular Ferrite Plate and the Nucleating inclusions in ,HAZ of X-60 Pipe Steel
By Guo Chang Jiang
In order to improve the IIAZ toughness of X-60 pipe steel, the intragranular ferrite plate (IFP) technology was used. The characteristics of IFP is claimed to be much fine ferrite plates appear inside
Jan 1, 1997
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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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Eddy Current Separation of Aluminum Smelting by-Products:
By R. Peterson, D. C. Popko, J. Y. Hwang, R. McChesney, A. M. Hein, R. C. Greenlund, M. Jeong
MTU is conducting a study to recycle and reuse the aluminum waste generated from various segments of the aluminum smelting industry. This research is supported by the U.S. Department of Energy and ind
Jan 1, 2000
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Oxidized Pellet Preparation from Refractory Specularite Concentrates Using Modified Humic Acid (Mha) Binders
By Guohua Bai, Yuanbo Zhang, Guihong Han, Zijian Su, Daoyuan Zhang
"Specularite ores have poor hydrophilicity and ballability as well as inferior high-temperature reactivity, which restrict the large-scale application of them in the pelletizing and sintering producti
Jan 1, 2011
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Modeling And Design Of Experiment In Calcination Of Magnesites
By B. K. Chakrabarti
Modeling and a screening design of experiment (DOE) was performed with the process variables to identify the greatest effect of variables on the response quality in the dead burning of magnesite refra
Jan 1, 2015
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Photoacoustic Thermal Characterization Of Malva Fibers
By Vinicius Alves Gomes, Jean Igor Margem, Thallis Cordeiro, Frederico Muylaert Margem, Roberto Faria Jr., Sergio Neves Monteiro, Marina Rangel Margem
Natural fibers are attracting the interest of engineering sectors owing to specific advantages such as lightweight and lower cost as well as for their inherent condition of being renewable, biodegrada
Jan 1, 2015
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Industrial Oxygen And Its Advanced Application Technology For Hydrometallurgy Process
By Thomas Niehoff, Yin Qing, Wei Zhongling, Liu Yongguo, Zhang Deliang, Tang Le
The gold ore of Shandong Gold Mining (Xinhui) was a refractory ore, which contained multi metallic sulfides (ZnS and PbS etc.) and carbonaceous. The gold ore concentrate came into leaching process and
Jan 1, 2015