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Nautilus Minerals: Progress made on our Solwara 1 Project in Papua New GuineaBy 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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Production Simulation Overview and Case Study: Coleman 170 OrebodyBy Scott Hopkins
Simulation tools are preferred for evaluating complex systems due to its ability to mimic reality and quickly evaluate many different what-if scenarios and find global solutions. A simulation model is
May 1, 2008
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Surface Chemistry Modification of Rock Dust for Improved Dispersion and Coal Dust Explosion PreventionBy K. Perry, B. Lusk, Q. Huang, R. Honaker
"Rock dust is applied in underground coal mines to prevent the propagation of coal dust explosions. The application is conducted either dry or wet. Both methods have advantages and disadvantages howev
Jan 1, 2015
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Minerals Beneficiation - Heat of Adsorption and Surface Reactions of Potassium Ethyl Xanthate on GalenaBy Olav Mellgren
Part I. The interaction between potassium ethyl xanthate and lead salts has been studied thermo-chemically. It is shown that ethyl xanthate reacts with lead carbonate, basic carbonate, thiosulfate and
Jan 1, 1967
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IC 8265 Bibliography of Investment and Operating Costs for Chemical and Petroleum Plants. January-December 1964By William C. Morel, Sidney Katell
This report covers the period January 1964 through December 1964; it is a continuation of the series that began with the publica- tion of Information Circular 7516 in October 1949. Also, it is the six
Jan 1, 1965
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RI 9425 - Relationship of Coal Seam Parameters and Airborne Respirable Dust at LongwallsBy S. J. Page, R. A. Jankowski, J. A. Organiscak
The U.S. Bureau of Mines investigated the relationship of bituminous coal seam parameters and the amount of airborne respirable dust generated at longwalls. Dust and coal samples were obtained from 20
Jan 1, 1992
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RI 2669 Status of Research in Ore DressingBy Ernest A. Hersam
"INTRODUCTION.Luring the year 1923 a complete survey was made of the condition of research in the reduction (milling) and concentration of ores and nonmetallic minerals - that is, up to the stage wher
Mar 1, 1925
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Theoretical Modeling and Experimental Evaluation of Vanadium Recovery from Mechanical Activation‑Assisted Vanadium Titano‑Magnetite Ore (NH4)2C2O4 Leaching - Mining, Metallurgy & Exploration (2023)By Oluwasegun Samuel Odebiyi, Shaona Wang, Feng Gao, Biao Liu, Hao Du
Recovering vanadium from vanadium titanium-magnetite (VTM) ore using ( NH4)2C2O4 is a clean hydrometallurgical process, but the drawback is the low recovery and slow kinetics due to the formation of i
Nov 3, 2023
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RI 7925 Waste Lubricating Oil Research - Some Innovative Approaches To Reclaiming Used Crankcase OilBy M. L. Whisman
The Bureau of Mines developed and tested in the laboratory several innovative techniques for reclaiming used lubricating oil. These processes included percolation through both chemically treated clay
Jan 1, 1974
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Numerical Modeling Of "Stiff" Backfill in the Coeur D'Alene Mining District (17e85e0c-8155-492f-9c87-d2b9dd6611c4)By Ed Van Eeckhout
As part of a U.S. Bureau of Mines-sponsored project on the utilization of "stiff' backflll to minimize potential rock burst hazards, a finite element study was undertaken to predict stresses and
Jan 1, 1984
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Frequency-Variable Vibrators And Their Application To Foundation Engineering - 1 IntroductionBy K. Rainer Massarsch
In some parts of the world, vibrators are used extensively for different types of foundation engineering projects. If used correctly and in suitable soils then vibratory pile driving for example is ve
Jan 1, 1995
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Coal - Shaft Sinking and Lining in the Southern Illinois Coal FieldBy J. W. MacDonald
Review of equipment, performance, and shaft design plans including head-frames for sinking and forms for lining are given. Also included are comparative data for shafts of 11 x20 ft and 193/4 x 30 ft
Jan 1, 1961
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Effect of Cr Addition on Mechanical Properties and Microstructure of Al-Mn-Mg-Si AlloysBy Zhan Zhang, Hiromi Nagaumi, Zhen Li
"Recently, the remarkable strengthening effect of ??-Al(Mn, Fe) Si dispersoids at both ambient temperature and elevated temperature were found by several researches. A large amount of dispersoids can
Jan 1, 2018
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RI 5993 Purification Of Electrolytes For The Deposition Of High-Purity Nickel ? SummaryBy J. G. Donaldson
Nickel containing less than 0.01 percent of total metallic impurities was produced at the Rolla Metallurgy Research Center of the Bureau of Mines by electrodeposition from purified electrolytes. The f
Jan 1, 1962
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Post-Mine Leaching of Galena and Marmatite at Broken Hill (ea61d7ab-2e88-4fdc-9bea-cd90f66cb557)By Blanchard R
The discussion submitted by Drs. Stillwell and Edwards is at once helpful and gratifying to the authors. Their contribution deals with two phases of the problem-(I) an additional suggestion for the re
Jan 1, 1943
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Maboumine Process: A Promising Process for Developing a Polymetallic Ore Deposit - Focus on the Upstream Part of the ProcessBy B. Courtaud, L. Donati, V. Weigel
As a growing mining company, ERAMET is looking for new positions in the strategic metals market. In this context, the Gabonese Maboumine pyrochlore deposit is currently being studied for the recovery
Jan 1, 2014
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Issues In The Performance-Based Seismic Evaluation Of Sheet Pile Quay WallsBy Dimitris Pachakis
In this paper, the authors give a brief overview of the current practice guidelines and tools for the seismic design of sheet pile quay walls, emphasizing how the design guidelines are lacking when th
Jan 1, 2011
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Capacity Of Slender Steel PilesBy J. Wennerstrand
Slender steel piles have found an increased use in Sweden in resent years. These piles are often driven throw soft normally consolidated clay to refusal in till or at the rock surface. In contrast to
Jan 1, 1989
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RI 5285 Investigation Of Mercury Deposits In Nevada And In Malheur County, Oreg. - SummaryBy W. T. Benson
Peacetime production of mercury in the United States is controlled by world mercury prices, with significant lags to be expected between price increases or decreases and resultant increased or decreas
Jan 1, 1956
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Integrated Management in the Mining IndustryIf you are to be and remain competitive in the mining industry, it is vital that your company management systems are efficient. An integral part of today's competition in a ruthless market is to
Jan 1, 1997