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Economic Comparison of ANFO Versus Emulsion in Quarry Drilling and BlastingBy James H. Owen
Because of price structure, ANFO is normally considered to be the most cost effective explosive used in quarry blasting. Results indicate that bulk smulsion can be more cost effective in applications
Jan 1, 1998
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Column Flotation of Iron Ore - Status and AdvancesBy H Thanasekaran, L Christodoulou, J Kohmuench
"Column flotation has been successfully applied to iron ore concentration since the 1980s with the goal of reducing silica content and allowing for the efficient production of pellet feed. Since then,
Aug 12, 2013
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Closing the Rehabilitation Gap ù A Queensland PerspectiveMine rehabilitation is a sustainability issue that has been revisited ad infinitum; however, the persistent lack of demonstrated on-the-ground performance and an increasingly intractable rehabilitatio
Jan 1, 2002
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Establishing Metal Levels in the Ohinemuri RiverBy W Donovan
Concern exists about the potential release of metals from the proposed mining operation at Martha Hill to the Ohinemuri River. Speculation on possible impacts is fuelled by the dearth of published dat
Jan 1, 1986
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Part IX - Communications - On the Observation of "Ghost Boundaries" produced During Grain Growth in Dilute Cadmium AlloysBy P. Niessen, W. C. Winegard, C. J. Beingessner
DURING the last 10 years, several grain-growth studies have been made using zone-refined metals with controlled amounts of solute to elucidate the interaction of solute with moving boundaries. In all
Jan 1, 1967
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Retention Of Palladium Within Condensed-Tannin Gel By Redox Mechanism And Separation Of Pd And Au In Chloride SolutionBy Yoshio Nakano
Keywords: Tannin gel, Palladium, Separation, Redox We have developed the novel recovery system of palladium from wastes, which is simple and generates little secondary waste in comparison with the
Jan 1, 2005
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Determination of separator efficiency curve from areal measurements on polished sectionsBy G. D. Schena, C Chiaruttini
The feasibility is demonstrated of reconstructing the volumetric distribution of liberated particles and middlings by use of a damped, weighted least-square regularisation method. This allows a precis
Jun 21, 1905
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Pillar Design Issues For Underground Stone Mines (5c6602ba-4b85-4ec3-ad15-c1c321c1afcd)By A. T. Iannacchione
Underground stone mining represents an emerging sector for the U.S. mining industry. As this expansion takes mines under deeper cover and as more efficient mining methods are utilized, adequate stone
Jan 1, 1999
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A Collaborative Tool for Waste Management in the IndustryBy M. S. Borges
The need for the waste management industry to reach environmental patterns, technological innovation, and a technological demand of the productive sector is covered by this study. The environmental ca
Jan 1, 2010
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An Approach To Successful Development Of International Mineral ProjectsBy T. L. Owen
Since 1993 Cyprus Amax has brought $2.5 billion dollars of greenfield and expansion projects into production, taking it from a mid-sized domestic minerals company into a major international minerals o
Jan 1, 2000
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Choosing the Correct Bulk Loading Equipment Can Help Optimize Your Blasting ProgramBy R Tom Watts
The blasting industry has changed more in the last five years than in any period to date. The equipment utilized to load boreholes has changed in response to more precise blasting products and program
Jan 1, 2000
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Removal of Organic Carbon with a Jameson Cell at Red Dog MineBy Todd Smith, Brigitte Lacouture, Greg Anderson, David Lin
"The lead and zinc flotation circuits at Red Dog Mine are preceded by a preflotation circuit which recovers naturally-floating organic carbon contained in the ore. Organic carbon is a potential contam
Jan 1, 2008
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Reducing Longwall Noise With Acoustical Material On The Shields - 4 Preliminary Analysis – Preprint 97-108By A. D. Prokop, J. P. Rider
Along with increased production from longwall units has come the likelihood of increased worker noise exposures. In recent years, equipment has become larger, more powerful, and noisier than its prede
Feb 24, 1997
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Laboratory Evaluation Of Shield Dust Entrainment In High Velocity Airstreams (913d8715-0740-44d1-b301-b965be654afd)In conjunction with steady increases in production levels, longwall operators have applied greater quantities of ventilating air and spray water in an effort to control respirable dust and/or methane.
Jan 1, 2001
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Numerical Solution for the Deformations of Tunnels in Rock Masses and its Application to Estimate In Situ Stress Ratio K0By M. Arlandi, J. C. Monge
In this paper, the finite element method is used to obtain deformations of a rock tunnel. More than 3,000 numerical simulations and calculations were carried out. The analysis of this results has all
Jan 1, 2003
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Quantitative inventories of single THM (total heavy mineral) products using combined mineralogical methodsBy C. C. Hamilton, G. R. Lane
Traditionally, mineral sands are evaluated by preparing several mineral products using a combination of heavy liquid-, magnetic-, and electrostatic methods. Whole-rock assays (WRA) are then conducted
Jan 1, 2005
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Removal of Arsenic in Fluorite Ore by Simultaneous Grinding-Leaching with NaHSRemoval of Arsenic in Fluorite Ore by Simultaneous Grinding-Leaching with NaHS Generally speaking, a high-grade fluorite ore is converted into hydrogen fluoride (HF), which is essential for the semic
Sep 13, 2010
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Application of implicit geological modelling to improve the grade control process at White Mountain gold mine, Jilin Province, ChinaBy S McKinley
"The White Mountain sediment-hosted gold deposit is located in north-eastern China. Mineralisation is associated with silica–hematite–altered polymict breccias that occur within dolomite at or near th
Sep 20, 2017
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Applicability, Challenges and Recent Application Experience of WLAN and Ethernet as Integrated Mine Communication BackboneBy Christoph Mueller
Broad band mine communication traditionally is characterized mainly by individual solutions, which have in common their long development phases and their high cost for development, operation and servi
May 1, 2006
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Optimization of the Grinding Circuit of the Tata Steel Ijmuiden Pelletizing PlantBy Willemijn Husslage
Tata Steel Group At a glance ? Part of the Tata Group ?Tata Steel Group: ?Fortune 500 company ?Top 10 global steel producer ?Annual crude steel capacity of 28 million tonnes ?More than 80,000
May 1, 2011