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North Auckland Line—Tunnel Refurbishment - RETC2021By Shu Fan Chau, Innes Duncan, Harry Asche, Bill Newns
The North Auckland Line (NAL) in Northland, New Zealand, is being upgraded to pass Hi-Cube containers. The line includes many tunnels and bridges which need to be refurbished to improve structural cle
Jun 13, 2021
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Energy Conservation Trends In The Cement IndustryBy George K. McCord
It is a pleasure to participate in this Fall meeting of the Society of Mining Engineers to discuss energy conservation trends in the cement industry. Energy is the "life blood" of American industry, a
Jan 1, 1975
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Percussion Drilling as Fast and Efficient Investigation in Construction Stage - A Case Study from Koralm Base Tunnel, AustriaBy Giorgio Höfer-Öllinger, Peter Pointner, Manfred Stadlober
"SUMMARY Investigations from tunnel face are part of risk mitigation measures during the excavation works. With the tunnel equipment, percussion drillings of up to 30-40m can be achieved. Core drillin
Jan 1, 2016
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In Situ Mining A Design For Positive ResultsBy Albert L. St. Peter
The "Old Reliable" four million pound blast in March of 1972 marked the opening, as far as is known, of serious efforts to commercialize the In Situ concept. That was a coyote shot, and it was followe
Jan 1, 1976
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Thermochemistry Of The Fe, Ni And Co-NH3-H2O Systems As They Relate To The Caron Process: A Review (b124d2d6-d80c-4f42-bceb-b0ea6ac6b779)By E. Asselin
Passivation of Fe-Ni-Co alloys during the Caron leach process is thought to result in low cobalt recoveries in ammoniacal ammonium carbonate solutions. A brief review of the available thermochemical d
Nov 1, 2011
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Oil-Coated Air Bubble Flotation To Improve Coal Flotation Rate And RecoveryBy F. F. Peng
A unique collector dispersion techniques was developed and used to improve the flotation rate and recovery of coarser and ultrafine coal-rich particles in the froth flotation processes. In this novel
Jan 1, 1991
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Field Site Data Processing A High-Frequency Radio Communication Link Between Field Camp And ComputerBy Joseph Moses Botbol
The disposition of world mineral resources is such that a vital need exists for both the most efficient development of existing resources and the rapid disclosure of as-yet undiscovered resources. The
Jan 1, 1975
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Timing, Motivation, Technology Important for Improved Mining ProductivityBy William G. Doepken
With most of the mining industry emerging from the deepest business recession in 50 years, primary attention must be given to surviving in a business climate where dominant foreign competition, depres
Jan 11, 1983
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Mining Faculty across the Globe: A Snapshot Today Offers a Glimpse into Tomorrow’s Opportunities and ChallengesBy Z. Scopa, E. Tarshizi, R. Setterlind, L. Frost, R. Livernois
"THE MINES OF THE FUTURE The mines of the future present a host of challenges, which may appear exciting or daunting depending on one’s perspective. Whether some sectors of the public recognize it or
Jan 1, 2017
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Limestone Scrubbing For High Sulfur Coal ? IntroductionBy Robert E. Barry
For new coal-fired power plants, federal regulations require that emissions of sulfur dioxide be limited to 1.2 pounds for every million BTU'S burned. This is equivalent to coal with a sulfur con
Jan 1, 1974
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Bituminous Coal Consumption Estimating Its Long Term Growth And Annual Variation ? IntroductionBy W. Gibson Jaworek
It has become apparent in recent years to everyone intimately concerned with the future of the American fuels industries that the growth in demand for energy has become a topic receiving considerable
Jan 1, 1960
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Lime Roast -Cyanide Leach Of Arsenic Precious Metal ConcentratesBy P. R. Taylor
Three refractory gold concentrates have been tested to evaluate the effect of roasting with hydrated lime followed by cyanidation. The results indicate that it may be possible to roast in such a manne
Jan 1, 1993
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An Improved Load Measuring Device for Underground Mining Standing SupportsBy B. Mirabile, B. Stables
Standing support is often used in conjunction with underground retreat mining. Knowledge of the load-displacement behavior of a standing support, and loading induced by the mine opening is critical to
Jan 1, 2019
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Discussion of “Study on correlation of quantified coal rank with self-heating temperature”By J. Grubb
"The undertakings described in the paper titled “Study on correlation of quantified coal rank with self-heating temperature” by Wang and Luo in the November 2015 issue of Mining Engineering (Wang and
Jun 1, 2016
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An Experimental Review of the Physicochemical Properties of Copper Electrowinning Electrolytes "Mining, Metallurgy & Exploration (2021)"By Margreth Tadie, Chalwe Chibwe
Physicochemical properties of copper electrolytes are a strong fundamental consideration in electrodeposition processes during electro-purification and recovery of copper. Their influence extends to m
Feb 1, 2021
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Collective Bargaining And The Antitrust LawsBy Paul C. Lingo
Two recent antitrust cases, coming from widely separated areas, different industries and involving wholly different facts were decided by the Supreme Court on June 7, 1965. The decisions in these two
Jan 1, 1965
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Proactively Improving Fluid Power SafetyBy T. R. Ley
"INTRODUCTION Brutally honest mining executives will tell you that “safety is job #1 but.. dollars are also extremely important”. When economic times are tough, as they are now in mining, it can feel
Jan 1, 2016
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Government Support for Sustainability of the Extractive IndustriesBy A. Eftimie, M. Stanley
The World Bank Group (WBG) believes that extractive industries can make significant contribution to sustainable development and poverty reduction, providing that environmental, social, and corporate g
Jan 1, 2005
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Barge Transportation's Future in an Expanding Coal MarketBy Earle Faig
Earle Faig Along with other transportation modes, the barge industry will be greatly affected by trends in domestic coal production. Traditionally, coal has been one of the major commodities moved by
Jan 10, 1982
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Our Government's Stifling ExcessesBy R. E. Murray
"It is a gloomy moment in the history of our country. Not in the lifetime of most men has there been so much grave and deep apprehension; never has the future seemed so incalculable as at this time. T
Jan 1, 1980