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Treatment Of Manganiferous Silver Ores For Recovery Of Silver In View Of Changed Precious Metal Economics
By Clement K. Chase
Since the dawn of cyanidation leaching techniques for precious metals, certain manganese-bearing silver ores have been a problem due to low silver extraction. Since simultaneous occurrence of silver a
Jan 1, 1981
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The Importance Of Water Utilization For Maximizing Grinding Circuit Classification System Efficiency - Preprint 09-067
The Functional Performance Equation for ball milling circuits allows us to isolate the circuit classification system efficiency (CSE) from the mill?s grinding performance. The factors which affect cir
Jan 1, 2009
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Asbestos Mining In Russia: Approaches To Public Health Risk Assessment
By A. Korchevskiy
While Russia continues to be a worldwide leader in asbestos production, the environmental and health status around Russian asbestos mines is not well known and understood, internationally. A literatu
Feb 27, 2013
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Technology News – Excavators Designed for Use in Confined Spaces
Komatsu America International has introduced two new hydraulic excavators. They can work in congested and confined areas. The tight tail swing radius of the PC128US-2 and PC22-8USLC-2 enables the exc
Jan 1, 2000
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Heat Stress in Hot Underground Mines: a Brief Literature Review "Mining, Metallurgy & Exploration (2021)"
By Paloma Lazaro, Moe Momayez
Interactions between human beings and their work environment require the body to regulate its temperature by balancing heat production and loss. Comfortable environmental conditions are crucial for ke
Oct 6, 2020
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Eskay Creek Mine And Mill – A Continued Success
By G. Biles, K. Loughran, R. Anand
The Eskay Creek Mine, a high-grade gold and silver underground mine in northwestern British Columbia started operations in late 1994. For the first three years of operation, ore was crushed to minus
Jan 1, 1999
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Analysis Of Sampling And Slurry Flow Using Multi-Physics Modeling - Preprint 09-058
By D. McBride
Representative samples are required from process streams in order to accurately measure chemical and physical characteristics. This information can then be used by process operators and metallurgists
Jan 1, 2009
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Electrolytic Removal of Iron from Aluminum Sulfate Solutions
By S. C. Sun
A study(1) on the sulfuric acid extraction of alumina from some Pennsylvania ferruginous clays indicated that the published electrolytic method(2)(3) seems to be more efficient than the known chemical
Jan 1, 1968
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Invensys’ User Conference Discusses Plant Automation and Control
By Steve Kral
Invensys is a London-based supplier of automation and control systems to a variety of manufacturing and processing industries. Through its global subsidiaries, Invensys provides customized, advanced
Jan 1, 2002
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Optimisation Of Single-Layer Cover Made Of Desulphurized Tailings: Application To The Doyon Mine
By I. Demers
Doyon mine, Quebec, Canada evaluates the possibility of desulphurizing their tailings to produce material to be used in as cover over the acid generating tailings disposal site. Laboratory tests were
Jan 1, 2008
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A parametric study for the effect of dip on stone mine pillar stability using a simplified model geometry
By Morgan M. Sears, Gamal Rashed, Michael M. Murphy, Brent Slaker
A parametric study was conducted using FLAC3D numerical models to examine the impact of oblique loading on the strength and yield pattern of a stone pillar using two simplified geometry types. In type
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A study on the optimum arrangement of buoyancy module for stability of marine flexible riser using genetic algorithm & multi-body dynamic simulation
By Tae-kyeong Yeu, Cheon-Hong Min, Hyung-woo Kim, Sup Hong, Minuk Lee, Chang-Ho Lee
This paper concerns the optimum arrangement of the buoyancy module, which is used for stable dynamic motion and structure stability of the marine flexible riser. The main method of this study is simul
Sep 1, 2014
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Legislative Action Important: Key Message at - SME Annual Meeting 2022
By Steve Kral
The mining industry has waited a long time for the resurgence in commodity prices and demand for its products that it is now experiencing. Base and precious metals prices have reached levels not seen
Jan 1, 2005
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Practical Optimization Strategies for Coal-Washing Plants – Preprint 97-70
By R. P. King
The MODSIM mineral processing plant simultor is used to find optimal combinations of target separation specific gravities in a typical modem coal washing plant. A plant that is set up with these optim
Feb 24, 1997
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Hydrologic Assessment Of Waste Rock Stockpiles: A Case Study From Ajo Mine, Arizona
By A. L. Williamson, G. Savci
Hydrologic assessments of existing and proposed waste rock stockpiles (WRS) are typically required for application of operating and closure permits at mine sites. The results of these assessments can
Jan 1, 2002
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Railroad Crossing by Microtunneling: MTBM Successfully Mines Side-by-Side Twin Tunnels Six Feet Below Railroad - West Elizabeth Avenue Storm Drainage Project, Linden, New Jersey
By Keith Schaeffer
This paper presents a history of the planning, engineering and construction completed for the railroad tunnel crossing part of the West Elizabeth Avenue Storm Drainage Project, undertaken to relieve f
Jan 1, 2008
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Protecting Miners from Coal Bursts During Development Above Historic Mine Workings in Harlan County, Kentucky
In order to reach a large, untapped reserve of high-quality coal, D8 Cloverlick mine proposed to mine a corridor nearly 2,000 ft deep beneath the Benham Spur of Black Mountain, Kentucky’s highest peak
Jan 7, 2020
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The 1990’s – Politics and the Environment
By Georgene Renner
At the beginning of the 1990s, Communism fell and signaled the end of the Cold War. The world rejoiced but also watched and waited to see how those countries would restructure themselves. The 1990
Jan 1, 2007
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Heap Leach solution management at Coeur-Rochester
By Peter A. Anderson
Innovative solution management is being used at Coeur-Rochester Inc. to increase bullion production and decrease overall costs. New operating programs call for reduced solution application rates to th
Jan 1, 1989
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Organic Substrate Selection Criteria For Sulfate Reduction Treatment Of Mining Influenced Waters ? Introduction
By P. A. Hagerty
Biological treatment of metals-impacted water using sulfate reduction is a viable means of treatment that has been applied in pilot and full scale at numerous projects. One of the fundamental challen
Jan 1, 2011