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Start-Up and Early Optimization of the New Afton Concentrator
By C. O’Hara, S. Roy, K. Swedburg, J. Katchen
"New Gold Inc.’s New Afton concentrator commenced operation in June 2012, producing a copper-gold-silver concentrate. During the first two years of operation, various optimization efforts have improve
Jan 1, 2015
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Design, Installation And Testing Of The No 250 Wemco Smartcell? Flotation Machine At Minera Los Pelambres
By A Weber, L MacNamara, H Schreiber
Design and development of the world?s largest flotation cell was completed in 2002. This was the first 257 m3 flotation cell installed in the mineral industry and represents a major development in t
Jan 1, 2007
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Model Predictive Control of the Flotation Process
By Donald Leroux, Martin Suichies, Andy Trusiak, Chris Dechert
"In modem concentrators, the operation of flotation machines is often stabilized by simple control loops. Froth level, slurry density and aeration rate are all physical parameters typically controlled
Jan 1, 1999
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Pattern recognition in transformed data – the search for domain shapes in mine geology data
By S McKinley, S Juras, E Uludag
More and more, today’s mining geologists are asked to identify and create 3D value domains for multidisciplinary usage: grade definition, geometallurgical performance and geotechnical characteristics,
Sep 20, 2017
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Performance of Large Low- and High-Aspect Ratio SAG Mills at Gold Fields’ Ghanaian and Australian Mines
By Michael I. Brittan, Craig M. Sams
"Economies of scale and the variable characteristics of many large ore deposits have resulted in grinding installations using very large SAG mills fitted with variable speed drives. Low-aspectratio si
Jan 1, 2006
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Rubber Liners in the Service of Large Diameter Ball Mill at Hudbay, Constancia Mine, Peru
By Manuel Sanchez, Marcial Medina, Matt Hurley, Hugo Granados, Pramod Kumar, Raj Rajamani, Jose A. Delgadillo
"Large-diameter ball mills have traditionally used steel liners—steel being a highly durable material that can be shaped into any desired geometry, among which the double-wave has been the preferred d
Jan 1, 2017
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Discussion of Papers - Activation of Beryl and Feldspar by Fluorides in Cationic Collector Systems
By R. W. Smith. Discussion by D. Watson, R. M. Manser
D. Wotson, R. M. Monser (Watten Spring Laboratory, Stevenage, Herts., U. K.) - This is a valuable and interesting paper and will make an important contribution to the development of a general theory o
Jan 1, 1967
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Removal of Unburned Carbon by Flotation from Coal Bottom And Multi-layer Adsorption in Surface of a Bubble
By N. I. Um
The coal bottom ash generated from coal-fired power plant accounted for approximately 5 mil-lion tons in Korea. Almost all of coal bottom ash was treated as reclamation of the landfill because of the
Jan 1, 2014
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An Analytical Approach For Diagnosing and Solving Blasting Complaints
By Douglas Rudenko
Have you ever had a neighbor complain about a blast one day, but says the next day’s blast was better, even though the Peak Particle Velocity (PPV) increased? How about neighbors that complain about a
Jan 1, 2002
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Enhancing Synthetic Zinc Ferrite Hydrochloric Acid Leaching by Using Isopropanol as a Solvent
By 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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Geotechnical Considerations In The Design Of The MOCB Mining Method At Konkola No.3 Shaft.
By M Lipalile, A B. Tunono, A W. Naismith
Konkola No 3 shaft experienced severe mining induced stress and time related deterioration in ground conditions in an area where an over-cut and bench (OCB) mining method was used to extract a shallow
Jan 1, 2005
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Citric acid leaching performance at high solid-to-liquid ratios for lithium-ion battery recycling
By G. Akdogan, S. M. Bradshaw, A. P. Van Wyk, T. Punt
This study investigated the performance of citric acid as lixiviant for cathode material from end-of-life lithium-ion batteries (LIBs). Black mass containing 84.2 weight percent MNC (LiNi0.45Mn0.4Co0.
Apr 1, 2025
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New Circuits for the Treatment of Fine Grained Zinc/Lead Ore at the Sullivan Concentrator (6bee0d7e-0e76-4074-a289-b60e63163849)
By R. S. Simkus, J. R. Egan
"Changes have recently been applied to the Sullivan Concentrator lead and zinc circuits to treat fine-grained ores which make-up the majority of ore reserves in the mine. Pilot plant test work conduct
Jan 1, 1994
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A Metallographic Study of Tungsten Carbide Alloys
By J. L. Gregg, J. L.
RECENTLY there has been considerable interest in the production and use of extra hard alloys composed primarily of tungsten and carbon. Dr. Hoyt's recent paper1 gives a good description of these
Jan 1, 1929
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A Geometallurgical Approach of the Copper-Nickel-Platinum Group Elements Maturi Deposit, Minnesota, USA, Using Quantitative Mineralogy
By Charles Knilans, Tassos Grammatikopoulos, Nicole Hoffmann
"Twin Metals Minnesota LLC, (TMM) has recently completed a prefeasibility study evaluating the development and operation of an underground copper (Cu), nickel (Ni), platinum (Pt), palladium (Pd), and
Jan 1, 2015
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New York Paper - The Function of Alumina in Slags (Discussion, pp. 627 and 941)
By Carl Henrich
I have read with particular interest that portion of the discussion by Anton Eilers referring to the high-lime (and also high-alumina) slags made by August Raht in 1881, while smelting the Horn Silver
Jan 1, 1917
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A New Methodology For The Analysis Of The Relationship Between Rock Brittleness Index And Drag Pick Cutting Efficiency
By R. M. Goktan
Rock brittleness plays an important role in the cutting action of picks on rock surfaces. It controls the ease with which cracks can propagate through the rocks. Although rock brittleness is known as
Jan 1, 2005
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World’s Largest 28 MW AG Mills, Largest Shop Trial, One Piece Delivery & Installation (26e1b765-3ec1-447d-8206-6ab79dbb100f)
By Rajiv Kalra, Ji Jiangang
"This paper reviews the following aspects of the world’s largest manufactured Grinding Mill’s in terms of diameter and power, along with the world’s biggest shop assembly and trial run of the mills de
Jan 1, 2012
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Using State of the Art Blast Modeling Software to Assist the Excavation of the Yucca Mountain Nuclear Waste Repository
By Jason Ryan, Stephen Harria
Q.E.D. (QED) is a blast design and evaluation model that allows full three-dimensional design specification including the development of unique “live” terrains and an unlimited variety of complex char
Jan 1, 2000
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Effect of Grinding Operation on Product Morphology in Stirred Mills
By Bern Klein, Randy Blaskovich, Reem Roufail
"Morphology is a tool that is rarely used for mineral breakage mechanism evaluation. Ground particles are typically assessed for their size distribution. They are also visually analyzed using image an
Jan 1, 2011