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Grasberg Open-Pit – Ertsberg’s Big Brother Comes Onstream in IndonesiaBy Robin J. Hickson
The Grasberg copper-gold deposit was discovered in the spring of 1988, one year before the planned closure of Freeport Indonesia's original Ertsberg openpit copper mine. In spite of Grasberg&apos
Jan 1, 1991
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The Separation Of W From AgNO3 Electrolyte - Problem DefinitionBy S. Natansohn
A prevalent technique for the recovery of silver from wastes generated in silver-tungsten electrical contact fabrication is electrowinning. Such scrap is placed in a permeable plastic basket which con
Jan 1, 1982
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Some Industrial Experiences In Utilizing Electrochemical And Chelation Sulfide Mineral CollectorsBy R. R. Klimpel
Over the last six years, several new commercial families of sulfide mineral collectors have been developed. This paper summarizes some plant data and use experiences gained with each of these product
Jan 1, 1995
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A Preliminary Study on Thermal Probe Technology against Coal Storage Pile (Gangue Hill) Spontaneous CombustionBy B. Li
"The spontaneous combustion of coal storage pile(Gangue Hill) is one of the seriously threat encountered in coal mining and storage. The dynamic accumulation of internal heat in coal storage pile(Gang
Jan 1, 2015
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Recovery Of Uranium From Wet-Process Phosphoric Acid By Solvent ExtractionBy F. J. Hurst
Phosphate rock, which is a prime source of phosphate used in fertilizer manufacture in the United States, contains uranium. In general, the uranium content of the rock increases with the phosphate con
Jan 1, 1976
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A Step Change for Carbon Dioxide Capture-Enhancement with FrothersBy S. K. Kawatra, S. K. Valluri, S. J. Root
Common carbon dioxide capturing reagents, such as amines and sodium hydroxide, are expensive, toxic, and energy intensive to regenerate. We have added frothers to a sodium carbonate solution in order
Jan 1, 2019
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Maintaining a Stability Safety Case in Seismically Active Mines - RASIM 2022By David Beck
In Australia, Safe Work legislation requires mines to have a documented ‘Safety Case’ explaining how a mine will safely manage all major hazards. A similar requirement is legislated or inferred by reg
Apr 26, 2022
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Utilizing Nonlinear Autoregressive with Exogenous Input Neural Networks to Evaluate the Thermal Flywheel Effect Along Intake Shafts at Nevada Mines - Mining, Metallurgy & Exploration (2021)By Karoly (Charles) Kocsis, Kyle A. Scalise
Understanding the climatic conditions in underground mines is necessary for efficient ventilation design, cost savings, and to ensure the health and safety of mine workers. Large volumes of ventilatio
Mar 3, 2021
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2. Production Planning in Metal Mines - IntroductionBy James N. Grassby
Metal production has traditionally been a cyclical industry. 1977 in the base metals industry has highlighted that fact with a steady decline in the market place for base metals. Corporate aggregate p
Jan 1, 1979
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A review of copper and nickel extraction from wastewater by emulsion liquid membrane (ELM)By Kristian E. Waters, Hao Ma, Haibei Wang
Heavy metal ions exist in waste effluents including mining tailings, manufacturing discharges, and smelting and metal plating process wastes. Various methods are available to treat industrial effluent
Apr 1, 2023
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Study on the tribocharging properties of CaCO3 particles in a cyclone tribochargerBy Yang Song, Li Shaokang, Wang Zhiqiang, Wang Jinjun, Li Guofeng, Su Meixuan
The paper investigates the triboelectric charging properties of calcium carbonate (CaCO3) particles under different conditions using a cyclone tribocharger. It explores the effects of airflow velocity
Sep 1, 2023
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Coal Creek Preparation Plant Mid-Continent Coal & Coke Company Carbondale, ColoradoBy John A. Reeves
The Coal Creek Preparation Plant is the coal cleaning facility of Mid-Continent Coal and Coke Company. Located three miles west of Redstone, Colorado, and at an elevation of 8,040 feet the preparation
Jan 1, 1967
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The Mechanical Characteristics of St. Peter Sandstone in Clayton, IASt. Peter sandstone is an arenaceous sheet that covers large area in North America. The interest for St. Peter sandstone has been increasing due to the upward trend for hydrofracturing and the consequ
Feb 23, 2014
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Risk in Ultimate Pit Selection - Mining, Metallurgy & Exploration (2024)By Edward Holloway
The basis for the selection of the ultimate pit for an open pit mining operation is generally opaque. Some form of value-based analysis will generally guide the final decision; however, the value will
Feb 21, 2024
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Fenceline PM4 Crystalline Silica Concentrations near Sand Mining and Processing Facilities in WisconsinBy T. Brozell
"Communities near sand mines and processing facilities in Wisconsin have raised concerns regarding possible exposure to ambient respirable (PM4) crystalline silica. Fenceline PM4 (particulate matter c
Jan 1, 2015
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Heat Generation Model in the Ball-Milling Process of a Tantalum OreBy J. Jorge, J. Mariño-Salguero, B. Álvarez-Rodriguez, J. M. Menéndez-Aguado, J. J. de Felipe
"This work focuses on the characterization of heat generation during dry fracture by direct impact of a tantalum ore. Moreover, an attempt was made to quantify the heat energy loss to the environment
Jan 1, 2017
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Rare Earth Elements And Critical Minerals In The San Juan And Raton Coal Basins In Northern New Mexico - SME Annual Meeting 2023By D. Shaver, M. N. Badonie, J. Newcomer, V. T. McLemore, E. Owen
Rare earth elements and critical minerals have recently become of great economic interest because of their necessity for many new technologies and recent geopolitical unrest affecting the supply and i
Feb 1, 2023
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Heap Leach Production Modeling: a Spreadsheet-Based Technique Mining, Metallurgy and ExplorationBy John Marsden, Mike Botz
A variety of modeling techniques can be utilized to forecast metal production at heap leaching operations. These approaches reflect a wide range of complexity, flexibility, time to implement, cost, an
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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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A Simulation-Based Training Framework for Mine Rescue and Self-Escape Readiness - SME Annual Meeting 2025By Muhammad Azeem Raza, Samuel Frimpong
Underground mining environments are inherently hazardous and can lead to emergencies where effective rescue and self-escape become critical. Missouri University of Science and Technology is pioneering
Feb 1, 2025