Search Documents
Search Again
Search Again
Refine Search
Refine Search
-
Evaluation of high-temperature disposable filter elements in an experimental underground mine - SME Transactions 2011By L. D. Patts, S. J. Janisko, E. G. Cauda, A. D. Bugarski, G. H. Schnakenberg, J. A. Hummer
Filtration systems with disposable filter elements (DFEs) are used in the underground coal mining industry to control particulate matter emissions from diesel-powered permissible and nonpermissible co
Jan 1, 2011
-
Direct upscaling of semivariograms and cross semivariograms for scaleconsistent geomodeling - SME Transactions 2013By O. Babak, O. Leuangthong, M. A. Cuba
Integration of data from multiple sources and/or multiple scales is a common, yet challenging aspect of geostatistical resource modeling. Common approaches to data integration are based on a cokriging
Jan 1, 2013
-
Mercury Deportment In Coal Characterization: A Case StudyBy T. A. Toney
A sampling program was conducted in 2008 to determine the run of mine characteristics of 5 coal seams. The sampling program included size analyses and float sink determinations. The samples were ana
Jan 1, 2010
-
Improving The Plant Metallurgical BalanceBy Ronald L. Wiegel
In a mineral processing plant there are a number of routine decisions which are based at least in part on the plant's metallurgical performance. Among these are those related to: 1) equipment f
Jan 1, 1978
-
Isothermal Reduction Kinetics of Copper Slag‑Biomass Composite Pellets - Mining, Metallurgy & Exploration (2023)By Hongling Wang, DI WU, Shuai Li, Hui Shu
Isothermal reduction experiments on carbon-bearing pellets of copper slag were investigated by the thermogravimetric method with biomass carbon as a reducing agent. The results indicated that the redu
Nov 23, 2022
-
North Carolina Phosphate Concentration. The Texas Gulf Sulphur Company Project At The Asheville Minerals Research LaboratoryBy Immo H. Redeker
Introduction In October of 1961 Texas Gulf Sulphur Company contacted the Asheville Minerals Research Laboratory, of the North Carolina State University, and requested assistance in the development of
Jan 1, 1971
-
Contracting Practices for Underground Freight Transportation Projects: A Look at Cargo Sous Terrain - RETC2021By Jürg Künzle
The use of the underground space has been a recurring issue in human history, whereas the reasons for building subsurface structures have changed over time. In the decades to come, the world will be m
Jun 13, 2021
-
Keep ’Em Separated—Managing Contract Interfaces for the Westerly Storage Tunnel (WST) - NAT2022By Ryan P. Sullivan, Ben D. DiFiore, Robert J. Auber, Michael A. Piepenburg, Lisa M. Smiley
Pollution to Lake Erie will be significantly reduced by the Westerly Storage Tunnel (WST) system, which is mainly comprised of a 10,000-ft long tunnel and a dewatering pump station in the downstream t
Dec 1, 2022
-
Mechanical Model and Engineering Measurement Analysis of Structural Stability of Key Aquiclude StrataBy Yanli Huang, Qiang Sun, Jixiong Zhang, Yuzhuo Jiang, Dan Ma
Mining accidents due to inrushing water are caused by sudden changes in seepage owing to structural damage to key strata of the aquiclude. The backfill mining method can be used to control the movemen
Jul 12, 2022
-
Factors Affecting Solution Balance During In Situ Leaching Of An Unsaturated Copper Ore Body (6dec3392-5dc6-41ba-8b28-57254f57d550)By Perry M. Jones
An important operational and environ-mental concern associated with in situ leaching activity is the balance between solution injection and recovery. Solution balance is an important indicator of the
Jan 1, 1991
-
Mitigation Of The Cplus Failure In The Q7 Cut At Rio Tinto?s Bingham Canyon MineBy D. Nutakor
This paper presents the results of a study conducted on a slope failure that occurred in the Q7 mining cut at Rio Tinto's Bingham Canyon Mine. The slope failure occurred in a weak rock mass with
Jan 1, 2012
-
El Soldado, A Peculiar Copper Deposit Associated With Anomalous Alkaline Volcanism In The Central Chilean Coastal RangeBy Erik Klohn
The El Soldado copper deposit occurs in volcanic rocks of alkaline affinity of Lower Cretaceous age. The orebodies are discordant and show strong structural and lithological control. The mineralizing
Jan 1, 1986
-
Optimizing The Mill Lining And The Grinding Media In Tumbling Mills (d5c02d12-7d3a-4ec2-b33f-f72d7141d95d)By A. Anttila
The grinding mill is probably the most common unit operation used in mineral processing. There is, however, much which can still be done in the way of optimization. This paper discusses the results of
Jan 1, 1998
-
Copper Recovery Via Oxychloride RoutesBy D. C. McLean
One of the few innovations in hydrometallurgy in recent years has been the utilization of the chemistry of basic iron sulfates called jarosites. These have been used to make iron-zinc separations in t
Jan 1, 1979
-
Major Step for Phosphate Exploration in the Jerid Area, Southwest Tunisia: Reconstitution of the Paleocene‑Eocene Series Geometry - Mining, Metallurgy & Exploration (2021) via Borehole Data and Seismic Reflection ProfilesBy Rihab Guellala
In Tunisia, the Paleocene-Eocene series has an important socio-economic interest. It contains profitable oil and water accumulations. Moreover, it encompasses phosphate reserves. The present study use
Aug 15, 2021
-
Grindability Of Microwave-Heated Ores (565e34cf-e07a-4e92-899f-7ab25b1b8626)By A. Gungor
Thermal treatment can significantly improve industrial comminution operations by reducing energy requirements and increasing mineral liberation. The assistance of thermal pretreatment prior to grind
Jan 1, 1999
-
Florida: The New Uranium ProducerBy John W. Sweeney
Florida is usually thought of as a vacation State, not a mining State, yet Florida has been the leading producer of phosphate rock in the United States for 85 consecutive years and in 1978 supplied ov
Jan 1, 1979
-
Going Green with Mobile Mining Equipment (6ff433b9-54e4-4ebc-90fb-8f4714515264)By J. Gibson
"INTRODUCTION As one of the most pressing and important political debates of this century, climate change has captured global attention and is forcing governments to take action towards decreasing GHG
Jan 1, 2015
-
An Investigation Into The Potential Of The "Damage Angle" Concept For Assessing The Impacts Of Underground Mining On The SurfaceBy M. Karmis
The determination of the surface area which may be impacted by underground mining is an important consideration in subsidence engineering. A number of parameters have been utilized to identify this in
Jan 1, 1994
-
Behavior of Full-Scale Welded-Wire Screen for Large Mine Roof Skin FallsBy T. M. Klemetti, T. J. Batchler, T. Matthews
From 2013–2017, there were over 1,120 documented injuries, including fourteen fatalities, from ground falls in underground mines in the United States (MSHA 2017). The majority of these ground-fall inj
Jan 1, 2019