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The Flotation Limit Of Fine Particles Based On Contact Angle Measurements
By J. Drelich
The flotation limit of fine particles has been re-examined based on the effect of bubble size on contact angle, and a new surface chemistry-limited relationship describing the minimum particle size wh
Jan 1, 1994
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Advances in grid-based numerical modeling techniques for improving gas management in coal mines
Effective gas management in coal mines, as well as proper ventilation design, is very important for maintaining the safety of underground coal miners. Advances in numerical modeling techniques have en
Jan 1, 2009
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Trolley assist aids haulage at Iscor’s Sishen iron mine in South Africa
By B. J. Vorster
Introduction The South African Iron and Steel Co. Ltd., in Sishen, operates a large iron ore mine in the Cape Province of the Republic of South Africa. The mine is about 600 km (370 miles) west of Jo
Jan 4, 1986
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Evaluation Of Smoke Detectors For Use In Underground Mines - Preprint 09-072
By C. D. Litton
Laboratory experiments were conducted to determine the responses of a prototype smoke detector and a commercially available photoelectric smoke detector to smoke particles generated from various combu
Jan 1, 2009
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Has Minerals Industrial Technology Peaked?
By Robin J. Batterham
We still need to innovate, but it is getting harder. The real price of metals is declining, return on shareholder value is lower than other industries, and there is a shorter-term focus on staying via
Jan 1, 2004
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North Carolina Phosphate Concentration. The Texas Gulf Sulphur Company Project At The Asheville Minerals Research Laboratory
By Immo H. Redeker
Introduction In October of 1961 Texas Gulf Sulphur Company contacted the Asheville Minerals Research Laboratory, of the North Carolina State University, and requested assistance in the development of
Jan 1, 1971
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Joint Network Modeling And Some Scale Effects In Rock Masses
By P. H. S. W. Kulatilake
The presence of discontinuities strongly affects the mechanical and hydraulic behavior of rock masses. Joint geometry networks play a vital role in civil, mining, and petroleum engineering projects as
Jan 1, 1992
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Copper Precipitation And Cyanide Recovery Pilot Testing For The Newmont Yanacocha Project
By S. Acar, M. Botz
Introduction In 2007, Newmont Mining Corporation will begin construction of a milling and cyanidation leaching circuit for the Yanacocha site in Peru. Ore to be processed in the circuit contains a r
Jan 1, 2007
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Diamond Exploration Potential Of The Wyoming Craton, Western United States
By W. D. Hausel
The Wyoming craton in the western United States is a favorable terrane for diamond deposits. The craton hosts a variety of ultramafic, ultrabasic, and ultrapotassic rocks. Additionally, a few hundred
Jan 1, 1996
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A Comparison Of Liberation Determinations By Particle Area Percentage And Exposed Particle Perimeter Percentage In A Flotation Concentrator
To simplify programming, image analyzers commonly measure either linear intercepts or the areas of particles and grains to determine liberation based on polished section mounts. However, the concentr
Jan 1, 2002
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LED Area Lighting to Reduce Glare for Roof Bolter Operators Mining, Metallurgy and Exploration
By John J. Sammarco, Alan G. Mayton, Elaine N. Rubinstein
Researchers from the National Institute for Occupational Safety and Health (NIOSH) developed a light-emitting diode (LED) area luminaire called the Saturn and conducted a laboratory study using a Flet
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Project Clean Lake’s First Large Diameter EPB TBM in Cleveland, Ohio - RETC2023
By Erica McGlynn, Brian Negrea, Lance Jackson
There was no need for the people of Cleveland to ask “Where does the raw sewage go? We want to know!” because it was clear. The raw sewage was being discharged into Lake Erie during heavy rainfall eve
Jun 13, 2023
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Transfer of German environmental expertise for mine site rehabilitation challenges worldwide - A case study: Vietnam
By R. Barthel, O. Nitzsche, J. Pateiro Fernández, T. Cramer
The Hong Gai coal field in northeast Vietnam has been the main coal mining area of Vietnam for more than 150 years. Anthracite coal is produced from several open pit and underground mines situated clo
Jan 1, 2011
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Hydrogeologic Setting Of The Carlin Trend, Northeastern Nevada
By R. W. Plume
Gold extraction along the Carlin trend requires large withdrawals of ground water, which can be perched, unconfined at shallow depth, and (or) confined at depth. Five hydrogeologic units-Quaternary ba
Jan 1, 1992
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Recovery of Heavy Metals from Liquid Effluent by Galvanic Cementation "Mining, Metallurgy & Exploration (2021)"
By Yehia M. Youssef, Nourhan Moukhtar, M. H. Abdel-Aziz, Ibrahim Hassan
Copper was recovered from copper sulfate solution in a batch-recycled galvanic reactor operated under forced convection with the generation of electrical energy during the cementation process. The div
Oct 2, 2020
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Utilizing Mineral Liberation Analysis (MLA) To Determine Pyrite, Arsenopyrite And Arsenian Pyrite Floatabilities For Carlin Trend Ores - Preprint 09-117
Mineral liberation data are routinely obtained for a wide variety of applications, including ore characterization and characterization of various metallurgical test products obtained in bench-scale la
Jan 1, 2009
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Computer Use In The Mining Industry
By B. L. Gibbs
The mining industry is constantly in a state of flux -boom or bust; mine openings and closings. Part of the reason is the nature of ore deposits -they are there or they are not. Once they are mined, t
Jan 1, 1993
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Svedala Barmac “High Intensity” Crushing
By P. J. Cook
Comminution is one of the fundamentals of mineral processing, requiring large expenditures to be made on capital equipment, installation, power and maintenance. The trend toward lower grades and h
Jan 1, 1999
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Mineworkers’ Perceptions of Mobile Proximity Detection Systems Mining, Metallurgy and Exploration
By Michael McNinch, LaTasha R. Swanson, Jennica L. Bellanca, Justin Helton
Accident data indicates that mobile haulage poses a significant pinning, crushing, and striking risk. Proximity detection systems (PDSs) have the potential to protect mineworkers from these risks. How
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Mineworkers’ Perceptions of Mobile Proximity Detection Systems Mining, Metallurgy and Exploration (89ffeb4c-5a2a-45bb-b1ee-915400100aca)
By Michael McNinch, LaTasha R. Swanson, Jennica L. Bellanca, Justin Helton
Accident data indicates that mobile haulage poses a significant pinning, crushing, and striking risk. Proximity detection systems (PDSs) have the potential to protect mineworkers from these risks. How