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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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Phelps Dodge Hidalgo Smelter - 1992 Major TurnaroundBy W. J. Mitchell
During the months of April and May 1992, the Phelps Dodge Hidalgo smelter underwent a major turnaround. This was the third such turnaround in the life of the facility which was commissioned in 1976. D
Jan 1, 1993
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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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Utilization of Copper from the Process of Circuit Boards Etching by Copper-Ammonia SolutionsBy Vladimir I. Skorohodov
The technology for copper utilization from circuit boards etching is proposed. The technology is based on combination of electrochemical and sorption methods. The conditions of copper electroextractio
Jan 1, 2001
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Revisiting the Traditional Process of Spodumene Conversion and Impact on Lithium ExtractionBy Colin Dessemond
Since 1950, the traditional process has been dominating the production of lithium compounds from spodumene ores to sustain the lithium market because of its economic viability and the markets need for
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Process Optimization by Response Surface Method for Sintering of Chromite Fines by MicrowaveBy Shenghui Guo, Jian Chen, Hongbo Zhu, Jinhui Peng, Linqing Dai, Qianxu Ye
"Response surface method (RSM) based on mono-factor experiment was applied for the process optimization of sintering of chromite fines by microwave. In RSM analysis, effects of binder addition amount,
Jan 1, 2013
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Recent Operation of the Acid Plant at Huelva Copper SmelterBy Patricio Barrios
The Rio Tinto Metal (RTMetal) copper smelter, located 5 Km from Huelva, Spain, began operations in 1970. Since then a series of expansions and modifications have allowed a progressive increase in copp
Jan 1, 1996
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Photocatalytic H2 Production Under Visible Light Irradiation On Novel Heterostructure Nis/Zns Nanosheet PhotocatalystBy Junfu Chen, Jiann-Yang Hwang, Yong Zhou, Lijun Lu, Likun Lia, Jixiong Liu
The sheet-like NiS-ZnS heterostructured composites were prepared by the microwave hydrothermal. The fabrication of the heterojunctions broadened the range of light response of ZnS. The photoexcited el
Jan 1, 2015
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Interactions of Molten Fe-Cr Alloy with Refractories (Plenary)By Yuhsuke Mizukami
Crude high Cr containing steel such as tool steel, heat-resistant steel or stainless steel is produced by dissolution of high carbon ferro-chromium into molten crude steel. In the refining process, de
Jan 1, 2003
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Neural Net Modelling of a Zinc Electrowinning PlantBy D. H. Rubisov
The neural networks modelling approach is one of the most elegant black-box type methods to model industrial processes. In this paper, this approach is applied to model the performance of the CEZ zinc
Jan 1, 1996
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Stability of an Iridium Oxide Coated Titanium Anode in Copper ElectrowinningAn iridium oxide coated titanium electrode was tested as anode in copper electrowinning. Initial results confmed that the DSA-type anode was significantly more active for oxygen evolution than traditi
Jan 1, 1992
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Evaluation Of A Process For Separation And Recovery Of Indium And Lead From Smelter Flue DustBy Jerome P. Downey
The Indium Corporation of America - Colorado School of Mines Indium Separation Technology was evaluated as a potential means of treating smelter flue dusts stockpiled at the Pintlar Corporation proper
Jan 1, 1994
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Microporosity Evolution and Interdendritic Fluid Flows During SolidificationBy Srinath Viswanathan, Adrian Sabau
"In general, the occurrence of microporosity during metal casting is due to the combined effects of solidification shrinkage and gas precipitation. The governing equations for fluid flow and hydrogen
Jan 1, 2001
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Processing and Characterization of Ultra-Fine Grain Structure in Al Alloy by Equal Channel Angular PressingBy Balasivanadha Prabhu, Prasad P. Shanmugasundaram, Narayani Narasimhan
"The grain refinement and mechanical properties of 6061 aluminium alloy produced by equal channel angular pressing (ECAP) have been analyzed in this present study. A innovative triple shear ECAP die w
Jan 1, 2011
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Outotec's Smelting Solutions in Non-Ferrous MetalsBy Tapio Ahokainen, Asmo Vartiainen
"Outotec's portfolio contains a wide variety of smelting solutions for non-ferrous metals. Some of these include flash smelting for primary copper and nickel, flash converting for copper, Ausmelt tech
Jan 1, 2012
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A Hydro-mechanical Model and Analytical Solutions for Geomechanical Modeling of Carbon Dioxide Geological SequestrationBy Yilin Fang, Alain Bonneville, Timothy. D. Scheibe, Zhijie Xu
"We present a hydro-mechanical model for geological sequestration of carbon dioxide. The model considers the poroelastic effects by taking into account the coupling between the geomechanical response
Jan 1, 2012
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Removal of the Refractoriness of a Gold Bearing Pyrite-Arsenopyrite Ore by Ferric Sulphate at Low ConcentrationBy Nieves Iglesias
The removal of the refractoriness of a gold bearing pyrite- arsenopyrite ore is studied. Flotation concentrates were prepared and leached with a dilute acidic ferric sulfate solution. The elemental su
Jan 1, 1993
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Laboratory Research On Reducing-Matting Smelting Of Jamesonite ConcentrateBy Tang Chaoho
Laboratory research on the reducing and matte smelting of Jamesonite concentrate has been carried out. The influence of the process conditions such as the smelting temperature, the amount of pyrite ci
Jan 1, 2003
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Laboratory Research On Reducing-Matting Smelting Of Jamesonite Concentrate (45205e00-51f7-4ff3-875a-63e7afc2fe36)By Tang Chaoho
Laboratory research on the reducing and matte smelting of Jamesonite concentrate has been carried out. The influence of the process conditions such as the smelting temperature, the amount of pyrite ci
Jan 1, 2003
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Battery Recycling By Hydrometallurgy: Evaluation of Simultaneous Treatment of Several Cell SystemsBy C. A. Nogueira, F. Margarido
"A research work has being carried out annmg at evaluating the possibility of treating simultaneously several electrochemical systems of spent batteries using the same process, in order to overcome th
Jan 1, 2012