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Brine Leaching of Zinc Leach Residue
By L. W. Beckstead
In a conventional zinc refinery plant, zinc concentrates were roasted at 950°C. The calcine was ground and leached in a series of leaching vessels using sulfuric acid. The pH in the first leaching ves
Jan 1, 1993
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Quantification Of The Liquidus Surface Of "Lime Ferrite" Slags At Several Oxygen Potentials (12c24638-3043-4c41-ab38-114ba89a10e7)
By Florian Kongoli
"Lime ferrite" slag with limited silica content has proven to be a valuable choice in the modem processes of copper smelting and converting due to several advantages that this slag offers compared to
Jan 1, 2003
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Dissolution behavior of TiCxOi-x solid solutions in chloride melt
By Chao Du, Xiaohui Ning, Hongmin Zhu, Qiuyu Wang, Shuqiang Jiao
"TiCxOl-x solid solutions were synthesized by sintering a mixture of titanium carbide and titanium monoxide at 1600 °C. The corresponding structures and morphologies of the TiCxOl-x solid solutions we
Jan 1, 2011
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Quantification Of The Liquidus Surface Of "Lime Ferrite" Slags At Several Oxygen Potentials
By Florian Kongoli
"Lime ferrite" slag with limited silica content has proven to be a valuable choice in the modem processes of copper smelting and converting due to several advantages that this slag offers compared to
Jan 1, 2003
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Concentrate Injection And Oxygen Enrichment In Peirce Smith Converters At Noranda's Altonorte Smelter
By Ernest D. Mast
Noranda's Altonorte custom smelter, located in the 2nd region of Chile, 20 kilometres southeast of the city of Antofagasta, started operations in 1993. Presently, 1150 tonnes per day of new feed
Jan 1, 1999
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Study of Heat Flux in CSP Continuous Casting Mold
By Xinhua Wang, Xuefeng Liu, Die Yang, Lifeng Zhang, Wen Yang
"CSP thin slab continuous casters are well used in recent years. The control of heat transfer in the mold is very important because it is correlated with several slab defects. The mean heat flux of CS
Jan 1, 2013
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Analysis of Carbon Emission Reduction of China’s Integrated Steelworks
By 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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Simulation and Application of the Extended Kalman Filter to a Microbial Coal Desulfurization Process
By R. K. Mehta
Microorganisms have been increasingly used in applications such as-metal solubillzation, precipitation and recently being used as flocculants. Optimal control and on-line monitoring of these processes
Jan 1, 1991
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Jarogain Process—A Hydrometallurgical Option to Recover Metal Values from RLE Zinc Residue and Steel Dust
By Pertti Koukkari
The novel Jarogain process combines treatment of the jarosite residue of zinc manufacturing and processing of arc furnace dust from steelmaking to a holistic recovery technology. The new hydrometallur
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High Purity Precious Metals
By Michael B. Mooiman, David J. Kinneberg, Philippe Cettou, Leo W. Simpson, Pierre Ramoni
"The demand for high purity precious metals began with certain industrial applications having uncompromising requirements for quality and performance. As industrial uses proliferated and as the jewelr
Jan 1, 1998
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The Behaviour of Arsenic in the Copper Electrorefining Process
By Demaerel. J. P.
Arsenic plays a major role during electroreflning of copper. Both the arsenic content in the anode and the arsenic concentration of the electrolyte have, in conjunction with other impurities such as l
Jan 1, 1987
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Electric Arc Furnace Dusts Recycling Process in a Cupola to Produce Commercial Zinc Dusts and High Quality Cast Iron
By Grégory Miette
The paper deals with a process that allows the recycling in a cupola of EAF dusts with 18 % Zn. It produces dusts with zinc grade higher than 50 - 55 % and commercial cast iron with less than 200 ppm
Jan 1, 2002
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Continuous Fuming of Zinc-Containing Slags
By G. G. Richards
"The slag fuming process has operated for close to 70 years to recover zinc from lead blast furnace slag. The process is normally carried out through the batch treatment of slag by submerged injection
Jan 1, 1996
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Separation Of Rhenium And Molybdenum From Molybdenite Concentrate By Microwave-Assisted Roasting
By Linfeng Zhou, Rong Sun, Guanghui Li, Zhiwei Peng, Tao Jiang
The effects of microwave roasting on separation of rhenium (Re) and molybdenum (Mo) from a molybdenite concentrate have been investigated based on evaluation of the heating characteristics of the conc
Jan 1, 2016
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Recent Developments In Iron Removal And Control At The Zinc Corporation Of South Africa
By Claassen J. O.
The Zinc Corporation of South Africa Ltd. (Zincor) operates an integrated roast ? leach ? electrowinning circuit. The efficient removal and control of iron forms an integral part of the process. Zinco
Jan 1, 2003
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Computing the Solidification of Molten Metals by Eddy Currents
By Minh H. Pham
This paper presents a technique for imaging the extent of solidification of molten metal flowing in a cooled pipe based on the concept of eddy currents. A 3D mathematical model, which relates the geom
Jan 1, 2001
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Ust-Kamenogorsk Metallurgical Complex: A Silent Achiever
By Alistair Burrows
Situated in the oblast of East Kazakhstan, the Ust-Kamenogorsk Metallurgical Complex has spent the past twenty years renovating and remodelling itself as a modern polymetallic sulphide smelting facili
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The Reduction of Alumina beyond the Year 2000 Overview of Existing and New Processes
By A. F. Saavedra, N. E. Richards, C. J. McMinn
"The aluminum industry in general and Reynolds Metals Company in particular have continued to support development work for improvement of the Hall cell design and for alternative processes for the red
Jan 1, 1988
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Preparing Alum Inum-Scandium Alloys Using Direct Hall Reduction Process
By Chunyang Guan, Jilai Xue, Jun Zhu, Qiaochu Liu
"Al-Sc Alloys have showed many advanced properties for a wide range of industrial application, which is usually produced using thermal reduction process. This work is aimed to develop an electrochemic
Jan 1, 2012
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High Intensive Operation Of Flash Smelting Furnace At Saganoseki Smelter & Refinery
By Masatoshi Ogasawara
Saganoseki smelter & refinery operated two flash smelting furnaces, producing a combined 330,000 metric tons per year (hereinafter mtpy) of copper. In 1996, however, it successfully shifted to a singl
Jan 1, 2003