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Tunneling on Top of the World
By T. L. Johnston
MUCH has been said and written about deep mine shafts and deep drill holes as man in his search for mineral wealth digs deeper into the earth's crust. Each year some new extra depth is heralded a
Jan 1, 1939
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Pressure Leaching of Copper Refinery Slimes
By Bradford C. Wesstrom
The extraction of metals from Copper Refinery Slimes may involve many different processes. This paper describes the use of pressure leaching for decopperizing of copper refinery slimes at the El Paso
Jan 1, 2000
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Fire-Generated Smoke Rollback Through Cross Cut From Return To Intake – Experimental And CFD Study
By R. A. Franks, G. F. Friel, J. C. Edwards, L. Yuan
Two mine-fire experiments were conducted in the National Institute for Occupational Safety and Health's (NIOSH) Safety Research Coal Mine (SRCM) at the Pittsburgh Research Laboratory (PRL) which
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The Mineral Industry Of Other East African Countries - Burundi (5762e8c8-9f9a-4334-a3cd-7f4c0b3335ab)
By Kevin Connor
During 1986, the Government continued with efforts to ease the country's almost total reliance on coffee exports for trade revenues by allocating 45% of the Government's budget to commerce a
Jan 1, 1988
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Reducción del consumo de energía en los procesos minerometalúrgicos: ¿cuestión de cultura o de apertura a las mejoras?
By Renan Barrio de Mendoza
"El presente texto señala la aplicación de nuevas tecnologías conceptos para reducir u optimizar el consumo de energía, como los costos de operación en los procesos metalúrgicos. Así, el uso eficiente
Jul 1, 2015
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Backfill at Madsen
By L. H. Van Loon, E. G. Crayston, A. F. Heather
"IntroductionTHE PROPERTY of Madsen Red Lake Gold Mines. Limited. comprises fifty-eight claims located between Russet and Faulkenham lakes in Baird and Heyson townships of the Patricia portion of the
Jan 1, 1954
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Outokumpu Copper Mine and Smelter, Finland
By Mäkinen, Eero
OUTOKUMPU, a large copper mine in eastern Finland, has the distinction of being one of the few important mines in the world discovered by a geologist the late Otto Triistedt, of the Geological Sur- ve
Jan 1, 1938
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Microseismic Monitoring of Shear Zones and Related Seismic Activity at Broken Hill
By G C. Reed, J M. Murray
During more than 100 years continuous mining of the lead-zinc orebody at Broken Hill, an immense amount of geological data has been collected about shear zones related to the orebody. The challenge to
Jan 1, 2000
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Recycling Of Tungsten Carbide
By Rod L. Norfleet
Cemented tungsten carbides are a sintered powder - metallurgical product essential to modern industry. Because of their moderate unit price and our dependence upon foreign sources for the component ra
Jan 1, 1984
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Characterization of Fly Ash from a Municipal Solid Waste Incinerator
By John W. Graydon
Incineration is an attractive alternative to the disposal of MSW in landfill sites. However, the process of incineration generates fly ash which contains significant levels of leachable heavy metals -
Jan 1, 1992
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Extraction of cerium and terbium from hydrochloric acid solutions obtained from leaching of fluorescent lamp phosphors, L. Bumhira, C. Dorfling, and G. Akdogan
By G. Akdogan, C. Dorfling, L. Bumhira
Hydrometallurgical recovery of rare earth elements from phosphors obtained from end-of-life fluorescent lamps involve leaching followed by extraction of dissolved metals from solution. The similar pro
Jan 1, 2020
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Use Of The Observational Method (Best Way Out) To Allow Driven Pile Installation In Chalk - Introduction:
By Paul Morrison
The paper describes the design process, trial testing and contract pile installation of 772 precast concrete piles at a site in Surrey, South East England. Recommendations on how to improve the desig
Jan 1, 2000
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Unique Functions Of Slags In Steelmaking
By R. J. Fruehan
Slags have many useful functions in iron and steel making. In particular, slags are used to remove impurities such as sulphur, phosphorus and inclusions from the metal, and a large amount of research
Jan 1, 2004
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Investigations On Recovery Of Hematite From Two Different Banded Iron Ores By Flotation
By B. Das
Hematite floatability from two low grade banded iron ores of India, namely banded hematite quartzite (BHQ) and banded hematite jasper (BHJ) using fatty acids and amine as the collectors is investigate
Feb 27, 2013
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Mineral processing, research and development projects in Nova Scotia conducted through the Canada/Nova Scotia Mineral Development Agreement
By D. M. Doyle, P. J. Hannon
"The Canada/Nova Scotia Mineral Development Agreement (M.D.A.) is a subsidiary of a five-year Economic and Regional Development Agreement, signed on June 11, 1984. The objectives of the M.D.A. are to
Jan 1, 1987
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The Media Mill, Webb City, Mo. (a7613d7b-b385-4dfd-8fbc-0a5459e554b8)
J. J. MCLELLAN, Webb City, Mo.-The Media mill, at the time it was built, was the largest mill that had been designed in the Joplin district. It was put up in a hurry, to take advantage of the high pri
Jan 1, 1918
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A millipot set-up for sintering investigation of iron ores
By R Zhou, B J. Monaghan, S J Chew, R J. Longbottom, D J. Pinson, H Li, P Zulli, G Zhang, L Lu
Steelmakers are increasingly motivated to use iron ore resources with a wider range of grades and mineral types that were previously considered unsuitable or uneconomical for sintering. In this respec
Jul 24, 2017
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Life-Of-Mine Schedule From Multiple Pits: Case Study For The Tenke Fungurume Mining District
By R. Benito
This paper describes the development of a life-of-mine schedule (LOM) for one of the world's largest known sedimentary copper-cobalt districts located in the Katanga Province, Democratic Republic
Jan 1, 2011
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IDENTITY THEFT Possibilities and Consequences
By Paul Downing
Identity Theft Outline • What Are MY Chances??? • Types Of Thefts • Sources Of Theft Info • Stolen Identity vs. Background Checks • Information/Data Safeguards • Corporate Data Handling • Reclaiming Y
Jan 1, 2006
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Iron Through the Ages
Iron production in one year exceeds that of all other metals combined in ten years. It is a huge industry that started from a modest furnace producing one - two kilograms metal per day to a gigantic
Jan 1, 1999