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Metallization and Carburization Kinetics in DR Shaft Furnaces: The METCARB ModelBy Jose Carlos D'Abreu, Edelink Efrain Tinoco Falero, Mauricio Marcos Otaviano
The production and consumption of Direct Reduced Iron (DRI) are continuously increasing, as a consequence of the impact of shale gas extraction technology on the Natural Gas (NG) market. Considering t
Mar 1, 2018
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IC 6495 Underground Chute Gates In Metal Mines ? IntroductionBy Chas. F. Jackson
This paper is one of a series dealing with special mining problems and forming part of a general study of mining, methods and costs being conducted under direction of the Bureau of Mines. A considerab
Jan 1, 1931
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RI 6239 Performance Characteristics Of Coal-Washing Equipment: Concentrating TablesBy A. W. Deurbrouck
Five preparation plants employing concentrating tables for washing 3/8- inch to 0 raw coal were tested. Two of the plants were washing Pittsburgh-bed coal, two were washing Pocahontas-bed coal, and on
Jan 1, 1963
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RI 9300 - Chromite Recovery From Northern California Ores Using a Physical Concentration ProcessBy W. R. McDonald
Part of the U.S. Bureau of Mines mission is to supply the U.S. mineral industries with information that is useful in planning to meet the Nation's critical and strategic mineral needs if a nation
Jan 1, 1990
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Rol de los fosfatos peruanos en la cuenca del PacíficoBy Alfonso Rizo-Patrón
El presente trabajo describe la importancia de la explotación de los fosfatos de Sechura en la cuenca del Pacífico. Para ello, se evalúa el potencial de recursos naturales aprovechables en una infraes
Nov 20, 1972
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Damage To Residential Structures From Surface Mine BlastingBy David E. Siskind
The Bureau of Mines has studied the problem of cracking in residential structure walls from vibrations produced by blasting in surface mines. Direct observations were made of blasting damage consistin
Jan 1, 1980
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Exploration Review (f6032b03-79e7-49ca-8f8a-1df7796897e6)By D. R. Wilburn
This summary of international mineral exploration activities for the year 2009 draws upon information from industry sources, published literature and U.S. Geological Survey (USGS) specialists. The su
May 1, 2010
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Selection Criteria Overhead EquipmentBy James G. Mock
The choice of equipment to be applied to a given installation by the Application Engineer begins with the data as presented to him by the user. This point in the relationship establishes a communicati
Jan 1, 1973
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Applied Geology: The Foundation For Mine Design At Exxon Minerals Company?s Crandon DepositBy Roger G. Rowe
The Crandon deposit, located in northern Wisconsin, is a 65.8 million ton Precambrian volcanogenic massive sulfide deposit which averages 1.4% copper and 5.8% zinc. The deposit is classic in origin, m
Jan 1, 1983
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RI 3676 Exploration for War Minerals (Through Fiscal year 1942By A. C. Johnson, McHenry Mosier
The Bureau of Mines has adapted its activities to needs of national defense and to conditions brought about by the war program . Its work is now oriented solely to war problems . After studying about
Jan 1, 1943
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Microsctructural Characterization Of Mg Based AlloysBy A. J. Sideris
It is known that Mg can act as a catalyst/solvent in the high pressure high temperature diamond synthesis. However, above pressure levels of the order of 7 GPa, and temperatures from 1700 ? 1800oC, it
Jan 1, 2006
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Microstructural Characterization Of Epoxy Matrix Composites With Dispersed Diamond ParticlesBy Sergio N. Monteiro
Polymeric matrix composites with dispersed hard particles are being as wear resistant tools in industrial polishing operations. In the present work, the microstructure of epoxy composites with differe
Jan 1, 2006
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Conditions Affecting Mining in British ColumbiaBy R. W. Brock
This subject is too broad and comprehensive to be dealt with adequately and authoritatively in this paper. It calls for the knowledge and experience of many men, but the results from such collaborativ
Jan 1, 1924
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PART XI – November 1967 - Communications - Taylor's Theory of Texture for Axisymmetric Flow in Body-Centered Cubic MetalsBy G. Y. Chin, M. T. Dolan, W. L. Mammel
We have obtained by computer methods the solutions of the Taylor analysis1 for axisymmetric flow in bcc metals. Four modes of slip have been treated in detail:2-4 (111), {112}(111), {123}( 111), and
Jan 1, 1968
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Using Geometallurgy during Process Optimisation Activities at the Southern Middleback Ranges Magnetite ConcentratorBy D Olwagen, C Stanton, J Gerber
From December 2013 to February 2014 the Southern Middleback Ranges magnetite concentrator went through a successful optimisation process that included the installation of extra grinding power to treat
Jul 13, 2015
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Recovery of Nickel from Diluted Solutions by the Combination of Ion Exchange and Successive ElectrodepositionBy Kim Verbeken, Evelien Van de Steene, Marc Verhaege, Jeriffa De Clercq
"AbstractThe industry is confronted with stricter discharge levels and an increasing awareness to avoid toxic waste (such as heavy metal containing sludge obtained in physicochemical water treatment)
Jan 1, 2008
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RI 9085 - Fire Tests of Rigid Plastic Ventilation DuctsBy F. J. Perzak
The Bureau of Mines conducted a flammability study of plastic ventilation ducts. Six rigid 16-in-diam fiberglass-reinforced plastic ducts from five manufacturers were examined using laboratory-scale,
Jan 1, 1987
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Quantitative Description and Definition of Soft Rock TunnelBy Guangming Zhao, Nianjie Ma, Demao Guo, Denghong Chen, Yingming Li
Based on the mechanical essence that large-scale plastic failure zone appears in all or part of surrounding rock in soft rock roadway, the numerical simulation method is used to study the rectangular
Jun 25, 2024
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Utilization of voids for development and gas generation following waste disposalBy J. A. Every-Brown
Case studies are presented of three derelict sites in Kent and Essex that provide a good cross-section of opportunities for second-generation commercial uses of former chalk, limestone, clay and grave
Aug 1, 1994
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Why risk assessment and safety climate measurement are essential for psychosocial safetyBy A Fern, A Hawkes, o, T Vincent
The modern workplace has changed dramatically in recent years with an increased emphasis on the psychological well-being of employees. While adhering to a certain standard of psychosocial safety at wo
Apr 16, 2024