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Indirect Serpentine Carbonation And Its Implications For Laterite Nickel Processing
By J. de Bakker
It hardly needs to be repeated that if coal is to continue as America’s premier source of cheap energy, it is absolutely necessary that the carbon dioxide from its combustion somehow be sequestered.
Jan 1, 2007
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National Mining Hall Of Fame To Honor Five During 22nd Ceremony
Ceremonies for the induction of five mining industry pioneers into the National Mining Hall of Fame will be on Sept. 12, 2009 at the Charles F. Barber Pavilion of the Museum Convention Center in Leadv
Jan 1, 2009
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Effect Of Ore Particle Size On Gold Dissolution In A Cyanide Solution
By J. Egan
The recovery of gold by ore leaching is influenced by the size of the particles and the chemical environment. Within the experimental error associated to the testing of gold ore, results of a series o
Feb 27, 2013
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Stress, Geologic, And Support Design System (SGSSM) For Underground Mine Slopes
By J. C. Stankus
Accurate evaluation of stress and geological conditions is critical to ground control design in underground openings. For a slope entry, the problem is more difficult because a slope will transverse
Jan 1, 2011
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South Cobb Tunnel - Cobb County?s Solution To Meeting Future Waste Water Capacity
By Wojciech Klecan
Cobb County, located on the northwest side of Atlanta, GA, is continually growing and, like many other metropolitan areas, it needs to increase the capacity of its waste water system to meet future de
Jan 1, 2009
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Effect Of Structure-Making And Structure-Breaking Ions On Adsorption Of Guar Gum Onto Quartz
By Xiaodong Ma, Marek Pawlik
Introduction Guar gum is a natural nonionic polysaccharide. Guaran, the functional polysaccharide in guar gum is a chain of (1?4)-linked ß-D-mannopyranose units with a-D-galactopyranose units conne
Jan 1, 2005
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Separation and Recovery of Iron and Nickel from Low-Grade Laterite Nickel Ore Using Reduction Roasting at Rotary Kiln Followed by Magnetic Separation Technique Mining, Metallurgy and Exploration
By Yang Ge, Yuzhu Pan, Mansheng Chu, Jue Tang, Cong Feng, Lihua Gao, Zhenggen Liu
The low-grade nickel laterite ore used in this study was successfully upgraded through selective reduction by industrialized rotary kilns followed by magnetic separation. The results indicated that bo
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Experiences And Projections On Sag Mill Multivariable Predictive Control
By R. Fuenzalida
Since 2007, a number of Multivariable Predictive Control (MPC) Applications have been implemented on SAG mills, among others, within the Kairos Mining Concentrator Automation Program using ?Profit Con
Jan 1, 2012
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Exploration Review
By D. R. Wilburn
This summary of international mineral exploration activities for the year 2007 draws upon available information from industry, literature and U.S. Geological Survey (USGS) specialists. The summary pr
Jan 1, 2008
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Proceedings Of Elko 2009: Mine Closure And Cover Design
By Bryan Ulrich
Rroundtable 2009, a Knight Piésold and Co.-hosted roundtable discussion on mine closure and cover design was held at the Red Lion Inn and Casino in Elko, NV on Feb. 12, 2009. Knight Piésold?s Bryan Ul
Jan 1, 2009
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Reducing The Fire And Explosion Hazards Of Flame Cutting And Welding In Underground Coal Mines - Preprint 09-007
By W. D. Monaghan
Flame cutting and welding is one of the major causes of fires and explosions in underground U.S. coal mines. On May 20, 2006, a flame cutting operation at the Darby Mine No. 1 led to an explosion tha
Jan 1, 2009
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Batu Hijau: From Discovery to Production
By Thomas J. DeMull
Development of the Batu Hijau copper project was completed in the fourth quarter of 1999 with the formal handover and start-up of ore processing facilities. The project began in August 1996 when the
Jan 1, 2002
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Computational Fluid Dynamics Study Of Tracer Gas Dispersion In A Mine After Different Ventilation Damage Scenarios
Tracer gases are an effective method for assessment of mine ventilation systems, but their dispersion characteristics can differ substantially as ventilation parameters, such as flow path and velocity
Jan 1, 2012
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Vernal Mine: 19 Years Without a Lost-Time Accident
By John B. Spencer
Earlier this year, Simplot Phosphates achieved a safety milestone at its Vernal, UT phosphate operations. In March, the entire operation reached achieved seven years without a lost time accident. An
Jan 1, 2004
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Technical Note - Isolation And Identification Of Metal-Resistant Iron-Oxidizing Bacteria
By Wu Xueling
9K medium was used to isolate iron-oxidizing bacteria from 27 sump water samples collected from Dexing Cop-per Mine, Chengmen Mountain Mine and Yin Mountain Mine, Jiangxi Province, China. Lead acetate
Jan 1, 2007
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Urban Blasting Essential to Schedule Driven West Area CSO Tunnel and Pumping Station Project
By James McNally, Adam Stremcha, John MacGregor
With 13.7km of TBM tunneling in Atlanta’s hard gneiss well under way, drill and shoot work continues on several sites throughout the city. In order for the City of Atlanta to meet the consent decree i
Jan 1, 2007
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Investigation into dust exposures and mining practices in mines in the southern Appalachian Region
By Douglas E. Pollock
Recent NIOSH published information has shown an increase of rapidly progressive coal workers? pneumoconiosis (CWP) in the southern Appalachian coal region (SAR) of the U.S., despite the fact that comp
Jan 2, 2010
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2009 Permeation Test Results For Grouts Made With Ultrafine Cements
By Raymond W. Henn
The 30th annual short course ?Grouting Fundamentals and Current Practice? was held at the Colorado School of Mines, June 22-26, 2009. The field demonstration portion of the course was conducted June 2
Jan 1, 2009
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Real-time measurements of diesel EC and TC in a Nevada Gold Mine with photoacoustic and dusttrak instruments: Comparison with NIOSH 5040 filter results
By W. P. Arnott
This paper presents real time photoacoustic measurements of diesel-soot black-carbon (BC or EC) and Dusttrak nephelometer total carbon (TC) concentrations in a Nevada gold mine. Comparisons with time-
Jan 1, 2009
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Implementation Of The Hydrofloat Technology At The South Fort Meade Mine
By M. Mankosa, G. Taylor, G. Luttrell, J. Yasalonis
Several industrial-scale HydroFloat separators have recently been installed at Mosaic’s South Fort Meade beneficiation plant for the purpose of improving phosphate recovery and throughput capacity. Th
Jan 1, 2007