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Novel Process for Utilizing Low-Grade Manganese Oxide Ores by Sulfur-Based Reduction Roasting-Acid Leaching
By Yuanbo Zhang, Zhixiong You, Daoxian Duan, Guanghui Li, Tao Jiang
"Manganese is mainly consumed by steel and battery industries. In recent years, it is essential to utilize the low-grade manganese oxide ores with total manganese grade below 25%, as the high quality
Jan 1, 2012
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Continuous Casting of Steel
By R. D. Pehlke
The history and present status of continuous casting of steel are reviewed, including a genera 1 description of current processes. Plant layout, process development and elements of machine component d
Jan 1, 1985
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Treatment of Wastewater Containing Benzene by Technology Combined Blow-off with Fenton Reagent Oxidation
By He De-wen
The influence of wastewater containing benzene from chemical industry by technology combined blow-off with Fenton reagent oxidation was experimentally studied. The present results suggest that the tec
Jan 1, 2009
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Solvent Extraction Technology for the Extraction of Nickel Using LIX®84-I. An Update and Circuit Comparisons
By J. Murdoch Mackenzie
Two commercial nickel solvent extraction plants treating laterite leach solutions and using LIX®84-I have been operated in Australia. These circuits employ similar extraction chemistry but differ in t
Jan 1, 2004
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Selective Oxidation of Uranium In Situ Leaching
02, NaCI03, H202, Na0CI and Ce+4 have been examined as oxidants in an alkaline carbonate system for uranium in in situ leaching. The South Texas and New Mexico ores contained up to 2.6 meqJg of reduci
Jan 1, 1990
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Precipitation Selectivity and Growth of Perovskite Phase from Titanium Bearing Blast Furnace Slag
By Taiping Lou
The effects of slag composition, additive agents, and heat treatment conditions on the perovskite (CaO ? TiO2) crystal morphology, the precipitation behavior, the crystal growth and the volume fractio
Jan 1, 2000
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Evolution Of Granulation Technology
By Wolfgang Van Hooff
Encouraged by a strongly growing and evolving market for granulated products, Paul Wurth continuously improves its granulation and dewatering technologies to provide customers with state of the art in
Jan 1, 2006
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Improving Metallurgical Operations Through Application Of Systems Thinking Principles
By K. Narayana Swamy
The traditional approach to improving the operating efficiency of a metallurgical plant has been to study individual unit operations and focus on improving the poor-performing unit operations. The co
Jan 1, 2006
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Using Rietveld analysis with TOPAS for modal analysis of geological samples
By Holger Cordes
X-ray diffraction has long been used for qualitative and quantitative mineral analysis but Rietveld data analysis is still an under utilized method for mineral exploration and processing applications.
Jan 1, 2006
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Kennecott Utah Copper Smelter Modernization (8900290e-0a5a-4331-88e1-53de0cc3185e)
By C. J. Newman
Prior to 1995, the smelting process at the Kennecott Utah Copper Corporation (KUCC) smelter consisted of Noranda reactors and Pierce-Smith converters. In the consideration of expansion opportunities,
Jan 1, 1998
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Decomposition Kinetics Of Flash Smelting Flue Dust Sulphates (EPD Congress 2006)
By Elli Nurminen
In this work the thermodynamics of the metallic sulphate decomposition reactions were studied through thermodynamical calculations and thermogravimetric methods. The decomposition temperatures and mec
Jan 1, 2006
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Recovery of Tellurium from Cadmium Telluride Photovoltaic Module Manufacturing Scrap and other Sources
By Wenming Wang
Recycling of retired cadmium telluride (CdTe) photovoltaic (PV) modules has attracted attention due to new European environmental regulations. Recycling tellurium from CdTe PV modules is becoming more
Jan 1, 2006
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Segmentation of Three-Dimensional EBSD Data through Fast Multiscale Clustering
By Lori Bassman, Cassandra George, Cullen McMahon, Md. Zakaria Quadir, Michael Ferry
"Complete and accurate analysis of subgrain microstructural features must include three-dimensional information. Three-dimensional electron backscatter diffraction (EBSD) data can be used to character
Jan 1, 2011
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Process Control Technology Asarco Hayden Arizona Copper Smelter
By G. Coryell, E. Brack
"Remaining competitive in today's metal markets requires that copper smelters utilize the latest technology offered in process control, data acquisition, and process optimization. State-of-the-art too
Jan 1, 1989
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Laboratory Research On Reducing-Matting Smelting Of Jamesonite Concentrate
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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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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Introduction Of Reliability Centered Maintenance In A Copper Smelter
By Rey B. Marquez
This paper introduces and outlines the implementation of Reliability Centered Maintenance (RCM) at Phelps Dodge Hidalgo Inc. By using a disciplined approach to the everyday maintenance functions, a pr
Jan 1, 1998
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The Effect of Aluminum Addition to the ESR Process Slag on IN718 Superalloy Characteristics
By Seyed Mahdi Abbasi, Adel Sheikhhosseini
"This research was conducted to study the changes of microstructure, chemical composition and mechanical properties ofIN718 superalloy after adding aluminum to the ESR process slag. The experiments we
Jan 1, 2013
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Tin, Tantalum, and Niobium Recovery from Kougarok, Seward Peninsula, Alaska
By J. L. Johnson
The U.S. Department of the Interior, Bureau of Mines, investigated recovery of concentrates containing tin, tantalum, and niobium from the Kougarok deposit on the Seward Peninsula, AK. To date, 25 mil
Jan 1, 1990
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Electron Microscopy Study of TiB Reinforced Nanocrystalline .Ti-MMC's Produced by Mechanical Alloying and Thermohydrogen Processing of TiH2-B Powder Mixtures
"Mechanical alloying (MA) synthesizing technology and thennohydrogen processing (THP) were utilized to produce nanocrystalline Ti-MMC's reinforced by TiB intermetallic compound by using TiH2-B powder
Jan 1, 1998