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Heinrich Revisited: a New Data-Driven Examination of the Safety Pyramid "Mining, Metallurgy & Exploration (2020)"By Jennifer L. Bell, PATRICK L. YORIO, Emily J. Haas, Susan M. Moore, Lee A. Greenawald
Although researchers have struggled to replicate Heinrich’s safety triangle findings (Heinrich 1931) for various reasons (e.g., no access to his original database and it is unclear if the database was
Jul 25, 2020
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Experimental and CFD Simulation Techniques for Coal Dust Explosibility: A ReviewBy Santosh Kumar Ray, DEBASHISH MISHRA, Niroj Kumar Mohalik, SOMU MANDAL, Jai Krishna Pandey, Asfar Mobin Khan
Coal is a low-cost and high-calorific-value fuel. The coal mining industry worldwide has been suffering from severe accidents due to coal dust explosion hazards since its inception. Statistically, it
Jun 29, 2022
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Control Of Artesian Ground Water In Strip Mining Phosphate Ores - Eastern North Carolina - IntroductionBy John M. Hird
Texas Gulf Sulphur Company's Lee Creek Mine has opened a major phosphate mining district in the Central Coastal Plains of North Carolina (Fig. 1). The ore deposit as it is now known was roughly o
Jan 1, 1970
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High Angle Conveying: The Vital (Missing) Link to IPCC - 2017By J. A. Dos Santos
"INTRODUCTION Dramatic reduction in energy use and environmental impact can be achieved with sandwich belt high angle conveyors that serve as the vital link in any IPCC (In-pit Crushing and Conveying)
Jan 1, 2018
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Petrographic Characterization Of Economizer Fly AshBy B. Valentim
Policies for reducing NOx emissions have led power plants to restrict O2, resulting in high-carbon fly ash production. Therefore, some potentially useful fly ash, such as the economizer fly ash, is di
Jan 1, 2009
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MINExpo 2012; More Than 50,000 Make It The Largest Show EverBy William Gleason
The numbers tell the story of this one. More than 50,000 people and 1,890 exhibitors took over the Las Vegas Convention Center Sept. 24-26 for the largest mining trade show in the world ? MINExpo. In
Jan 1, 2012
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State-Of-The-Art Grinding Control ? Grinding ControlBy L. B. Hales
December 3, 1972, James Wm. White presented the results of an instrumentation and process control survey which was sponsored by the Anaconda Company at the annual Tucson Subsection AIME meeting.(1) Tw
Jan 1, 1981
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Discussion - Using Geostatistics to Predict the Characteristics of Washed CoalS.L. Barua and Y.C. Kim M. Armstrong's paper is very interesting and can be regarded as a pioneering work of applying geostatistics on washed coal. The density levels used in her study are uni
Jan 1, 1985
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Maximization of Productivity of Autonomous Trackless Loading and Haulage Equipment in Underground Metal Mines ? A Challenging TaskBy J. Paraszczak
Application of teleoperated and automated (or ?autonomous?) mobile equipment in underground metal mines is a promising avenue for overcoming some of the challenges facing mine operators. These include
Feb 23, 2014
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Heap Leaching Studies On Oxide And Sulfide Copper Ores ? IntroductionBy Paul H. Johnson
Heap leaching is a simple means of recovering copper from oxide and oxide-sulfide ores. Although this method requires relatively low capital investment, it suffers from low copper recoveries and relat
Jan 1, 1970
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Epithermal Gold Mineralization In The South Mountain Volcanic Dome Summitville, ColoradoBy Mike Perkins
The Summitville Au-Ag-Cu district in the southeastern part of the San Juan volcanic field has been a major gold producer in Colorado. Mineralization is hosted by the composite South Mountain quartz la
Jan 1, 2013
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Coal Utilization (Frozen Coal) : Frozen Coal - Problems & SolutionsBy Joe D. Mitzel
The Indian Head fine has been in existence since 1922. For over 56 years there have been North Dakota people mining coal at this same location. The area affected will fit inside a circle 5 km in diame
Jan 1, 1980
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Comparison Of The Primary Grinding Of Taconite In A Pilot-Plant Rod Mill And Ball MillBy B. R. Benner
Progressive improvements in crusher design, screening efficiency, and operating experience along with the downsizing of many taconite operations has resulted in the abilitv of some crushing plants to
Jan 1, 1990
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Insights into practical decisions surrounding hydraulic fracturing trials from numerical modeling - RASIM2022By Ulf B. Andersson, Christina Dahnér-Lindkvist, Bruno Figueiredo, Jessa Vatcher, Jonny Sjöberg, Joel Andersson
Hydraulic fracturing to precondition the rock mass in high seismic risk environments has great potential. Unfortunately, there are many unanswered questions about how to best implement a hydraulic fra
Apr 26, 2022
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Strip Mine Reclamation Utilizing Treated Municipal WastesBy Terrence R. Lejcher
Strip mining has played a key role in the production of coal used to produce energy in this country. About 56 percent of the 1.3 x 106 hectares (3.2 x 106 acres) that had been disturbed by surface min
Jan 1, 1972
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Enhancing Synthetic Zinc Ferrite Hydrochloric Acid Leaching by Using Isopropanol as a SolventBy Galymzhan Karamyrzayev, Rashid Nadirov
Zinc ferrite ( ZnFe2O4) is a by-product of non-ferrous metal production and is considered a promising source of raw zinc. The most efficient way to extract zinc from its ferrite is via acidic extracti
Jun 5, 2022
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On Improving Sulfides Flotation: The Use of a Phosphate Industry Flotation Depressant, and Rheology to Enhance Collectors Performance - SME Annual Meeting 2026By Francisco J. Sotillo
Using new ecological-natural-organic depressant for gangue and pyrite with antibacterial properties (control of acid mine drainage) with new improved xanthate collectors using rheology additive not ch
Feb 22, 2026
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Some Impressions And Observations Of Soviet Coal Mining Industry By United States Delegation During Visit To USSR Under The 1972/73 Scientific Exchanges Agreement ? BackgroundBy Joseph J. Yancik
An exchange of coal mine specialists was made with the USSR under an "Agreement on Exchanges and Cooperation in Scientific, Technical, Cultural, and other Fields for 1972-73," which was signed by Pres
Jan 1, 1974
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Designing, Modeling, and Laboratory Testing of a Non-clogging Impingement Type Filter for Mining Dust Scrubbers "Mining, Metallurgy & Exploration (2020)"By Ashish Ranjan Kumar, Steven Schafrik, Oscar Velasquez
Flooded-bed dust scrubbers installed on continuous miners use fibrous type multi-layered filters to capture dust from the airstream. Prolonged operations of the scrubber could lead to filter clogging
Sep 19, 2020
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Slurry Treatment Plants in Mechanized Tunneling Operations— Safety, Performance and Cost Factor for Jobsites - NAT2022By Gino Vogt
In mechanized tunnelling operations, performance, consumption and safety are main factors for jobsites. One of the most important components effecting these factors, especially in slurry TBM operation
Dec 1, 2022