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Baumgartner Shafts and Tunnel
By Jim Nickerson, James McCleish, Tom Abkemeier, Nicholas Willig
The purpose of this project is to convey sanitary sewage from an existing pump station to a new waste water treatment plant. This paper will discuss the design and construction aspects of the project.
Jan 1, 2005
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Design Concepts For Tomorrow’s Optimized Solvent Extraction Mixer Settler
By B. Gigas, M. Preston, M. Giralico
Optimized mixer settler designs will now handle total flows of over 6,000 m3/hr.Computational Fluid Dynamics (CFD) is a timely and predictable tool for design development. Lightnin has the capability
Jan 1, 2004
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Turkey operates its first overland conveyor with horizontal curves
By M. Sagheer
An 8.5-km (5-mile) conveyor has gone into operation in western Turkey to eco¬nomically transport crushed lignite from the mine area to a power plant. This conveyor has replaced trucks as the principal
Jan 1, 1989
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Assessing the contribution of underground in-situ coal gasification (UICG) within a sustainable development framework
By Z. Hyder, M. Karmis
Underground or In-situ Coal Gasification (UCG or UICG), though not a new concept, is now attracting considerable global attention as a viable process to provide a "clean" and economic fuel from coal.
Jan 1, 2011
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Tracer Gas Techniques For Mapping Air And Methane Migration Through A Longwall Waste In An Underground Coal Mine Using Tube Bundle Systems
By G. W. Bonnell, D. A. Young, D. G. Genter
Through 1996 and 1997, CANMET and the Cape Breton Development Corporation (CBDC) conducted a project to study the Phalen Mine’s 7 East longwall ventilation network to help determine methane emission p
Jan 1, 2001
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Intelligent Cable Shovel Excavation In Surface Mining
By S. Frimpong
The cable shovel excavator is used for primary production in many surface mining operations. A major problem in shovel excavation is the variability of material diggability, resulting in varying mech
Jan 1, 2003
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Industrial Minerals 2004 - Nitrogen
By D. A. Kramer
Ammonia, the principal source of fixed nitrogen, was produced by 16 companies at 31 plants in the United States during 2003. Fifty-five percent of U.S. ammonia production capacity was centered in Lou
Jan 1, 2005
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Canadian Experience in Open Pit Mining
By R. K. Singhal
Canada is a world class producer and exporter of minerals and mineral products. Today's highly mechanized Canadian open pits use state-of-the-art equipment and support technology. They are taking
Jan 1, 1995
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Will Geophysical Technologies Return to U.S. Coal Fields?
By Lawrence M. Gochioco
One of the best kept technology secrets in U.S coalmining history involved a robust coal geophysics program used by a local coal company to detect and map various geologic anomalies and man-made struc
Jan 1, 2005
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United Nations’ Emergency Preparedness Program Available to Mining Industry
The Awareness and Preparedness for Emergencies at the Local Level (APELL) program is a process that helps people prevent, prepare for and respond appropriately to accidents and emergencies. APELL was
Jan 1, 2003
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11th Annual MEMS Conference - Reshaping the Minerals and Metals Industry
By Lisa Morrison
The 11th Annual Mineral Economics and Management Society (MEMS) conference was held April10-12, 2002, in Montreal, Quebec. It consisted of a series of technical sessions. Each paper addressed the ec
Jan 1, 2002
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Slurry Pump Design Features
By George Wilson
When pumping abrasive slurry mixtures, special attention must be given to pump design and construction. The second article in this two-part series describes some design features to consider when selec
Jan 10, 1981
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Industrial Minerals 2004 - Peat
By S. M. Jasinski
Peat is a natural organic material of botanical origin. Peatlands are situated predominately in shallow wetland areas of the Northern Hemisphere. Commercial deposits are formed from the gradual decom
Jan 1, 2005
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Nautilus Minerals: Progress made on our Solwara 1 Project in Papua New Guinea
By John Parianos
"Seafloor mining provides significant potential economic benefits for many Pacific nations that may be "land poor" but "coastline rich," meaning they have the potential to utilize and profit from the
Sep 1, 2014
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Evaluation of Stress Control Layout at the Subtropolis Mine, Petersburg, Ohio
By Scott Thayer, Michael Murphy, Natalie Cope, Gabriel Esterhuizen, Anthony Iannacchione, Tim Miller, Brent Slaker
"The Subtropolis room-and-pillar mine extracts the Vanport Limestone (Allegheny Formation, Pennsylvanian System) near Petersburg, Ohio. Strata instability problems associated with excessive concentrat
Jan 1, 2019
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Coal
By F. Freme
Coal production in the United States increased in2004 by 36 Mt (39.7 million st) to end the year at 1 Gt(1.11 billion st), according to the U.S. Energy Information Administration (EIA). This was a 3.
Jan 1, 2005
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Leaching Process and Mechanism of Weathered Crust Elution-Deposited Rare Earth Ore Mining, Metallurgy and Exploration (a7b06571-a8d3-42ef-a017-d7b434b4427d)
By Zhigao Xu, Ming Wu, Jun Qu, Rong Zhang, Wenrui Nie, Ruan Chi, Zhenyue Zhang, Zhengyan He
The leaching processes and mechanisms of weathered crust elution-deposited rare earth (RE) ores with ammonium sulfate were investigated for their high efficiency and low consumption exploitation. The
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Leaching Process and Mechanism of Weathered Crust Elution-Deposited Rare Earth Ore Mining, Metallurgy and Exploration
By Zhigao Xu, Ming Wu, Jun Qu, Rong Zhang, Wenrui Nie, Ruan Chi, Zhenyue Zhang, Zhengyan He
The leaching processes and mechanisms of weathered crust elution-deposited rare earth (RE) ores with ammonium sulfate were investigated for their high efficiency and low consumption exploitation. The
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The application of an improved multi-scale computational modelling techniques to predict fugitive dust dispersion and deposition within and from surface mining operations
The extraction and processing of minerals from surface mines and quarries can produce significant fugitive emissions as a result of site activities such as blasting, unpaved road haulage, loading, pri
Jan 1, 2009
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European Tunneling Technology And Methods
By Brian Fulcher
While tunneling in Europe has been a tradition for centuries, many companies and countries have embraced tunnel innovation with considerable vigor and creativity. Indeed, local needs and site conditi
Jan 1, 2007