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The Potential Role of Anion Exchange Resins in the Gold Industry
Although anion exchange resins are widely used for gold recovery in Russia and the former CIS, accounting for almost 50 percent of gold recovery in that part of the world, the technology has not been
Jan 1, 1998
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Crystallization Behavior of Calcium Ferrite during Iron Ore Sintering
By Luben Xie, Lin Hu, Qiang Wang, Min Gan, Tao Jiang, Wenqi Li, Xiaohui Fan, Zhiyuan Yu
"Crystal precipitation behavior of calcium ferrite (CF) during iron ore sintering process along with the effect of cooling rate, SiO2 and Al2O3 on crystalline condensation were studied. The results sh
Jan 1, 2011
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Influence Of Scale Formation On Copper Enrichment Behaviour In Continuously Cast Slab
By Jianhua Xin, Min Chen, Cuihuan Huang, Shan Yu, Xiaoao Li, Nan Wang, Guanghao Chen
Copper enrichment behavior in continuously cast slab induced by scale formation after continuous cooling in H2O vapor atmosphere and consecutively in air has been experimentally investigated by combin
Jan 1, 2016
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Influence Of Sulfur On Dissolution Of Graphite In Molten Iron
By Kexin Jiao, Huichang Song, Zhijia Zhang, Jianliang Zhang, Zhengjian Liu
A clear understanding of iron carburization reaction occurring between molten iron and carbonaceous materials is of great importance in blast furnace, and it is one of the hot spots that ironmaking wo
Jan 1, 2015
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Recovery of Zinc Oxide from Secondary Raw Materials: New Developments of the Waelz Process
By B. Garcia-Egocheaga, J. Rutten, N. Goicoechea, U. Meurer, Mager K., W. Saage, Simonettim F.
Because of the increasing use of zinc as an active and passive anticorrosion agent for steel, leading to constantly growing return rates of galvanized steel components, especially through the automoti
Jan 1, 2000
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Cominco's New Lead Smelter at Trail Operations
By D. J. Webb, D. G. Reynolds, D. W. Ashman, D. W. Goosen
Cominco Limited operates an integrated zinc-lead complex at Trail, British Columbia, Canada. Central to the successful operation of this complex is the treatment of zinc leach residues through the lea
Jan 1, 2000
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Process and Engineering Considerations in the Pressure Leaching of Copper Refinery Slimes
By James E. Hoffmann
Oxidative pressure leaching is gradually supplanting other techniques for the decopperizing of slimes. The reasons for this include: much more rapid reactions, more compact equipment, a reduced enviro
Jan 1, 2000
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Sidewall Design to Improve Lining Life in a Platinum Smelting Furnace
By I. Mc Dougall
"The matte/slag tidal zone in a platinum smelting furnace is subject to severe process conditions which can often lead to premature failure of the lining. The MgO-FeO-Si02 slag is aggressive to refrac
Jan 1, 2012
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Heat Recovery From High Temperature Slags: Chemical Methods
By Yongqi Sun, Zuotai Zhang
Hot slags, at the temperatures of 1450-1650 oC, carry a substantial amount of high quality thermal energy, which represents the largest undeveloped energy source in the steel industry. However, the wa
Jan 1, 2016
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Reflected Light Microscopic Study of Submerged Bath Smelter Co-Ni Mattes
By John A. Mavrogenes
Reflected light microscopy and electron microprobe techniques were used to determine the mineralogy, phase percentages, grain sizes, and textures of Co-Ni-rich mattes. The mattes were produced by subm
Jan 1, 1989
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Environmental Impact Assessment Of Imperial Smelting Process In China
By Guy Xueyi
The environmental impact assessment of the Imperial Smelting Process for metallic zinc and lead production in Shaoguan Smelter, China, was carried out by the life cycle assessment method. The detailed
Jan 1, 2003
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Sulfur Fixation at High Temperature Within the Copper Smelting Process
By N. A. Warner
Fundamental studies on the reaction of limestone or dolomite at high temperature with S02 are extended to the realm of large scale primary copper smelting. Whereas flue gas desulfurisation in the elec
Jan 1, 1996
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The Elkem Multi-Purpose Furnace ® for the Recovery of Zinc and Lead from Waste Materials
By Thor Pedersen
Elkem's technologies for the processing of waste materials, dusts, sludges and other residues, are based on the use of their Multi-Purpose Furnace as the primary processing component. The Multi
Jan 1, 1990
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Formation And Magnetic Susceptibility Of Compounds Containing Iron And Manganese In Aluminum Melts
By G. C. Yao
Iron and silicon impurities can form needle and branch shape intermetallie compounds in molten aluminum when there is no manganese. It is difficult to separate them from molten aluminum by electromagn
Jan 1, 2003
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Optical Spectroscopy for Process Monitoring and Production Control in Ferrous and Non-Ferrous Industry (Invited)
By Willy Persson
A common feature of the kinds and amounts of impurities present most pyrometallurgical, processes is injection of oxygen to, remove various in the feed. The degree of success of a specific process ste
Jan 1, 2003
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Current Operations at the Amarillo Copper Refinery
By V. Ramachandran
The Amarillo Copper Refinery, the newest and most modern copper refinery in the world, has been in operation for the last eleven years and has a rated capacity of 460,000 st/yr. The tankhouse - a stru
Jan 1, 1987
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Thermomechanical Properties Of Bilayer La2Zr2O7 Thermal Barrier Coatings
By Xingye Guo, Yeon-Gil Jung, James Knapp, Zhe Lu, Jing Zhang, Li Li
La2Zr2O7 is a promising thermal barrier coating material due to its low thermal conductivity and superior high temperature stability. In this work, Bilayer La2Zr2O7 and conventional 8 wt% yttria stabi
Jan 1, 2016
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Separation Of Copper And Arsenic From Acidic Electrolytes By Electrodialysis
By Juan Patricio Ibáñez
Separation of arsenic and copper from Cu-As-H2S04 electrolytes by electrodialysis has been investigated at room temperature. The effects of current density and pH were studied. An arsenic-free copper
Jan 1, 2003
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Microwave Heating Of Waste Tires
By Yuzhe Zhang, Xiaodi Huang, Xinli Wang, Bowen Li, Matthew Andriese, Jiann-Yang Hwang, Zhiwei Peng, Likun Li
With the development of the world, the waste tires have been a serious environmental problem. There are about 2 billion waste tires produced all over the world every year and about 500 million waste t
Jan 1, 2016
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Flash Smelting at Magma Metals Company San Manuel Smelter
By Tom W. Gonzales
Magma Metals Company commissioned a 3000 tpd Outokumpu flash smelting furnace in July 1988. Through September 1992 the PSP has smelted a first campaign record 4.1 million tons of concentrate. This pap
Jan 1, 1993