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A Techno-Economic Assessment of the Coal Gold Agglomeration Gold Recovery Process
By I. G. Townsend, S. A. Buckley, C. I. House
"SummaryBritish Petroleum plc is developing a new gold recovery process known as coal gold agglomeration (CGA) for the recovery of gold from its ores. Liberated gold grains are recovered with high eff
Jan 1, 1989
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Precision and Bias For Settlements
By Jan W. Merks
"The settlements between mines and smelters are based on the mass of metal contained in concentrate lots. The mass of contained metal is a function of the wet mass of a lot, and its moisture content a
Jan 1, 1995
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The Use of Enhanced Gravity Concentration for Precious Metal Recovery
By Steve McAlister, Colin Sprake
"Enhanced gravity concentration machines have been applied successfully in the following areas of precious metal recovery flowsheets:1. Primary Grinding Circuits2. Shaking Table Tailings3. Pre-Concent
Jan 1, 2003
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The Millennium Iron Range Project
By Robert Martin
New Millennium ?a new project for an experienced mine building team ?Owns 100% of KeMag(Harris Lake) property ?Owns 80% of LabMag(Howells River) property -20% owned by Naskapi Nations of Kawawachika
May 1, 2007
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Performance Characteristics of an Improved Flotation Mechanism
By George A. Lawrence, J. C. McHardy
"Field operating experience with an improved flotation mechanism for handling various flotation applications is covered in this paper. Some aspects of designing flotation machines are also presented.
Jan 1, 1985
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Silica Flotation and the Use of Fine Screening in Iron Ore Beneficiation
By G. Major-Marothy
"INTRODUCTIONA beneficiation plant to upgrade earthy iron ores is being installed by the Iron Ore Company of Canada in Sept-Iles, Quebec.The crude ore for the plant will come from the Knob Lake area,
Jan 1, 1972
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Technological Advances in Telecommunications for Mines
By Patrick M. Y. Waye
As mines utilise more automation in mining operations to improve efficiency and safety, a corresponding increasing demand is placed on the transport of information. Some of the recent technological ad
May 1, 2001
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Carbon Dioxide Use for pH Control at Greens Creek Mill
By Tim Martin, Dave Tahija
"In April, 2014, Hecla's Greens Creek mill, near Juneau, Alaska, switched from sulphuric acid to the use of dissolved carbon dioxide for lead flotation circuit pH control. The Greens Creek mine uses p
Jan 1, 2016
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Operation of a High-Density Tailings Thickener
By Ernie Doell, Trung Nguyen
"In early 1995 Cluff Mining commissioned a newly constructed high density tailings thickener at its Cluff Lake uranium mill. The 85 ft diameter high density thickener is one of the first of its kind i
Jan 1, 1996
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Optimisation des systèmes pelles–camions en utilisant la théorie des files d’attente
By D. Komljenovic, J. Paraszczak
"This paper presents the use of queuing theory in truck fleet sizing in open pit mining operations. In the first part, a methodology is developed by which an optimal ratio between the size of shovels
Jan 1, 2004
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Evaluation of Level Control System of Cleaner Flotation Columns at Miduk Copper Concentrator
By M. Massinaei, S. Abasi, M. Oliazadeh
Reliable measurement and control of the pulp-froth interface (froth depth) in the flotation columns is critical to achieve the desired metallurgical performance. Shallow froths result in a reduction o
Jan 1, 2019
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Pipe Ore Processing Developments in the Thompson Mill
By P. G. Claridge, R. A. Tenbergen
"Pipe Open Pit ore is delivered by rail to the Thompson Mill at a rate of 34,000 tons per week. Ore is milled at a rate of 220 tons per hour.Characteristics of the serpentinised peridotite host rock a
Jan 1, 1975
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Recovery of Fume and Dust from Metallurgical Gases at Trail, B. C.
By J. H. D. Hargrove, A. F. Snowball
Atmospheric pollution control has become increasingly important in re-cent years with laws and public opinion having required the reduction of contaminants from industrial gas effluents. Treatment met
Jan 1, 1959
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Red Dog Lead Regrind Circuit Optimization
By Brigitte Lacouture, Yeen Shien Hwang, David Lin
"A baseline survey of the partially open lead regrind circuit at Red Dog Mine indicated poor regrind efficiencies for the three parallel 450 HP tower mills. Driven by the high energy cost and the pote
Jan 1, 2005
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Crystallex’s Las Cristinas Gold Project (7d5d7696-3ce9-4e3a-a905-204bcf9d3fae)
By J. R. Goode
"The Las Cristinas deposit contains about 10.2 million ounces of gold at a grade of 1.3 g/t. The deposit comprises a layer of fully oxidized saprolite (SAPO), a layer of sulphide-enriched saprolite (S
Jan 1, 2004
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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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The Role of Applied Biotechnology in Decommissioning Mining Operations
By Margarete Kalin
"Biotechnological approaches to decommissioning of mine waste management areas are presented in the context of sustainable environmental management. Improved design of waste sites and environmental ma
Jan 1, 1998
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Current Trends in Heap Leaching
By R. B. Throndycraft
"1. Belt-Drop Agglomeration Preferred at Heap Leach Operations. The agglomeration method now preferred at heap leach operations utilizes belt-drops along conveyors. Belt-drop agglomeration is being de
Jan 1, 1989
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Influence of Environmental Regulations on the Design of Barrick Goldstrike?s Roaster Off-gas Cleaning Circuit
By Andy Cole
Barrick Gold recently implemented an oxygen roasting process to treat carbonaceous ore from its Goldstrike property in Nevada. One of the key project challenges was the design of the roaster gas clean
May 1, 2002
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Metallurgical Testing of Gold Ores
By T. Salman
Most authorities agree that the dissolution of gold from an ore takes place according to the Elsner equation first stated in 1846. The main requirements for the dissolution reaction to proceed are:(1)
Jan 1, 1975