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Hydrogen Reduction Kinetics Of Mechanically Activated Magnetite ConcentrateBy Juan Ruiz-Ornelas, Yousef Mohassab, Ricardo Morales-Estrella, Hong Yong Sohn, Noemi Ortiz-Lara
The effect of mechanical activation on the reduction kinetics of magnetite concentrate by hydrogen was studied. The magnetite concentrate was milled for 8 h using a planetary mill. After the milling p
Jan 1, 2016
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Rejuvenating European MiningBy Charles Will Wright
MINERAL production in almost all European countries suffered a sharp setback because of the war. Plants were damaged, transportation facilities disrupted, and labor dispersed and demoralized. Since th
Jan 1, 1948
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Institute Reports on Industrial RelationsBy SIDNEY ROLLE
ACURSORY glance through the literature on the subject reveals that the ablest minds in the land are devoting themselves to the great question of labor, of which employment is one of the fundamentals.
Jan 1, 1921
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RI 9449 - Magnetic Susceptibility of Minerals in High Magnetic FieldsBy D. C. Dahlin
The U.S. Bureau of Mines investigated the magnetic susceptibility of minerals as a function of mag-netic field strength to determine how it might affect the potential for high-field magnetic separatio
Jan 1, 2010
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Mine Ventilation Aspects Of The Expansion Of Rio Algom's Uranium Mining Operations In Elliot LakeBy A. R. Bell
Rio Algom Limited are currently undergoing a major expansion of their mining operations in the Elliot Lake area. To date this has involved the increase of output at the Quirke Mine from 4080 to 6350 t
Jan 1, 1980
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Geostatistical Techniques for Improved Management of Brickmaking ClaysBy M. H. M. von Wielligh
"Brick manufacturers supply a variety of uniquely coloured facebricks to the building industry, which requires a high level of colour consistency in the products. Colour variation in bricks is influen
Jan 1, 2017
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Full-Face Boring by the Undercutting MethodBy P. O. Sandstrom
"Atlas Copco is introducing a new patented method for full-face boring. This paper presents the basic principles of the boring action and discusses the present experience regarding performance and cos
Jan 1, 1971
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Ventilación de minasBy Luis Noval Noval García
El objetivo de la ventilación es desarrollar una atmósfera saludable, segura y apta para la realización del trabajo por parte del personal. En ese sentido, el presente texto señala los gases como prob
Sep 1, 1984
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American steelmaking is becoming a market-oriented enterpriseBy Frank W. Luerssen
Introduction "Austerity" is perhaps an overly generous description of the past three years in the American steel industry. Steel plants operated at an average of only 57% of their capability in 1982-
Jan 6, 1985
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Ten Common Mistakes In Conveyor Specification And DesignBy R. T. Swinderman
This paper discusses how many of the common practices in conveyor specification and design are out of date compared to the current expectations of users for safe, serviceable, reliable, and fugitive m
Jan 1, 2010
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What Research Offers the Coal IndustryBy A. C. Fieldner
THE total annual energy production from coal, petroleum, natural gas and water power has been increasing at a fairly constant rate during the thirty years ending in 1930. But since 1913 the demand for
Jan 1, 1933
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Practical Emission Control of Coal Fired Power StationsThe following is based on two examples of emission control with coal fired power stations as practised in Germany at Heilbronn Block 7 power station and the Rheinbraun coal combined power station w
Jan 1, 1991
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Oxygen-Flame Converting of Nickel MattesBy V. M. Paretsky
Oxygen-flame converting of a solid ground matte containing heavy non-ferrous metals in a wide range of concentrations is one of the perspective trends meeting the demands of modern non-ferrous metallu
Jan 1, 1993
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Antiscalants for Calcium Scale Control in Gold Process CircuitsBy Brad Wells, Wayne Bull, Wayne Dickinson
"Antiscalants were evaluated for control of calcium carbonate (CaCO3) in gold processing applications. Under severely supersaturated conditions, 100 percent inhibition was achieved with 30 ppm antisca
Jan 1, 2014
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New York Paper - A New System for Operating Regenerative Hot-Blast StovesBy Jacob T. Wainwright
AS a means for increasing the efficiency in modern blast-furnaces by supplying to them blast of a much higher temperature than is now possible, the writer offers as a suggestion a modification in the
Jan 1, 1889
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New Publications Of The Bureau Of Mines - List 937 - Jan.- Feb. 1995 - Electronic InformationCommodities statistics and otter information are available through the following t et systems: Internet Access: To acccess the USBM Gopher server on Internet, connect to: gopher.usbm.gov port 70, us
Jan 1, 1995
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Pneumatic Flotation as Key for the Ultra Fine Flotation of Different Ores and MineralsBy Lutz Markworth, Evren Ören
"The worldwide demand of ores and the depletion of the high-purity deposits make it necessary to recover ores in increasingly finer size fractions in the feed material. The flotation technology of mor
Jan 1, 2009
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Is there Gold that We do not Recognise?By J S. J van Deventer
"Conventional wisdom is that gold not assayable is not recoverable or does not exist. There has been no formal study on the possibility that gold assays using advanced spectroscopy such as mass spectr
Sep 26, 2013
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Information Systems for Technological Data with Support of Internet of ThingsBy O. Kodym
The paper has focused on possibilities of interconnecting information sources concerning monitoring & control of mining industry technical processes (TP), and the related safety hazards. The key issue
Aug 1, 2013
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Explosive dust management system for underground coalmines, digitally integrating stone dust application, sampling plans, and results to help mitigate explosion riskBy B Waldon, M Valastro
A coal dust explosion is one of the most significant risks in the harsh and complex environment of an Underground Coal Mine (UCM). Reviewing literature, regulations and existing systems surrounding ex
Apr 16, 2024