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Elimination of the Pre-Aeration and Primary Filtration Circuits From the Dome Mill Flowsheet
"Placer Dome Inc.'s Dome Mine is located in South Porcupine, Ontario and has been in production since 1910. In the past, the mill leach circuit was preceded by preaeration and primary filtration circu
Jan 1, 1992
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Elution behaviour of metals from carbon
By M. Jeffrey
This study investigated the elution of precious and toxic metals from activated carbon. Gold and mercury are of primary interest, due to their value and environmental impact respectively. A laboratory
Jan 1, 2009
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EM Rescue (Location) System For Deep Mines Phase II - Build And Test Breadboard Equipment
By I. D. Schleicher, L. H. Rorden, F. B. Curry, T. C. Moore
The purpose of this program is to extend electromagnetic (EM) techniques for use in locating miners trapped in mines as deep as 1000 m. A previously developed EM system is considered adequate for use
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Embankment Piles ? Introduction
By B. B. Broms
Embankment piles are common in the Scandinavian countries (Kjellman, 1940) and in Southeast Asia as support of fills, light structures, bridge abutments and deep excavations (Eide, 1968) as described
Jan 1, 2010
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Embrittlement of Low Carbon Low Alloy Steel Occurring in the Austenite and y-Ferrite Regions
By Xingjian Gao
The mechanical properties of a low carbon low alloy steel in the austenite and _-ferrite regions have been examined by thermal-tensile tests using a Gleeble-1500D system at temperatures in the range 6
Jan 1, 2010
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Emergency Egress/Ventilation Raise Innovations in Directional Raise Boring & Remote Shotcrete Application
By Eric Schraml
Wardrop Engineering and the Placer Dome?s Campbell Mine Design Team utilized leading edge directional raise boring techniques and an innovative, remote controlled application of steel fibre reinforced
May 1, 2002
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Emerging Conveyor Technologies
By G. Bierie
The conveying of bulk materials is prone to problems. These problems can reduce the capacity and efficiency of the plant, and even threaten the health and safety of the workforce. This presentation w
Jan 1, 2007
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Emerging Technologies Control Respirable Dust Exposures For Continuous Mining And Roof Bolting Personnel
By D. E. Pollock, T. W. Beck, J. A. Organiscak
This work presents the findings from a number of NIOSH studies evaluating the impacts of emerging technologies that may reduce dust exposures for continuous mining and roof bolting personnel. These t
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Emerging Technologies for Ironmaking - An Indian Perspective
By Prasad S, Chatterjee S. S, Singh B. N
The chief source of metallic iron for steelmaking in India, even today, as it is in most part of the world, is through blast furnace (BF) route. This will continue to be so in the foreseeable future
Jan 1, 1999
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Emissions Trading and Management of Risk from GHG Emission Limitations
By Doug Russell
Natsource: At a Glance l 160 employees l Global reach ? New York, Washington, Calgary, Ottawa, Toronto, London, Tokyo l Major Environmental Commodity Broker ? Rated as Top GHG Broker (Environmen
Nov 1, 2002
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Empire Pebble Crushing Circuit, Going Back To Basics, Is The Crusher Crushing?
By H. Walqui
This paper describes operating gains resulting from standardizing operating and maintenance practices to improve the performance of the pebble crushing circuit at he Empire Concentrator. Past efforts
Feb 27, 2013
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Empirical approach to prediction of damage in bench blasting
By S. G. Beattie, N. Mojtabai
A study was carried out which aimed to: determine the effects of blasting on excavation perimeters and nearby slopes; establish a low-cost blast monitoring and field observation programme to determine
Apr 1, 1996
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Empirical Approaches For Weak Rock Masses (15cf9004-760f-47b2-8d56-8025fc15bd1d)
By Rimas Pakalnis, Tom Brady, Lewis Martin
A major focus of ground control research presently being conducted by the Spokane Research Laboratory of the National Institute for Occupational Safety and Health (NIOSH) is to incorporate weak rock m
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Empirical Correlation Of Mineral Commodity Prices With Exchange-Traded Mining Stock Prices ? Synopsis
By C. Nangolo
Mineral commodity prices comprise one of the key criteria in the selection of mining stocks. We contend that of the three principal elements of mineral commodity prices, spot price, forward price and
Jan 1, 2011
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Empirical Observations of Dilution in Panel Caving
By R. L. Castro
The extraction of ore in panel caving operations also involves the coextraction of non-economic material, known as dilution. Forecasting, avoiding, and understanding the mechanics of dilution is criti
Jan 1, 2014
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Emplacement And Mineralization Of The San Cristobal Ag-Zn-Pb Deposit, Southern Bolivia
By S. E. Phillipson
The Late Miocene San Cristobal Ag-Zn-Pb deposit represents syngenetic and epigenetic mineralization with low- and high-sulfidation characteristics. Geology is characterized by barren dacitic ring fra
Jan 1, 2001
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Emplacement Techniques: Impervious And Pervious Wall Construction ? Summary
By Fred C. Schmednecht
For years, the strategy was to contain waste and in many applications, is still the recommended method. Recently, it has become acceptable to create filters below ground for the in-situ treatment of w
Jan 1, 1999
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Employees' Welfare
Readers of recent Bulletins have doubtless observed that the problem of improving both material and moral condition of employees is receiving close attention from influential members of the Institute.
Jan 5, 1918
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Employer-Employee Relations in Norway
By Anton Gronningsater
AT the present time we hear a great deal about organization of labour, collective bargaining, workmen's councils, and company unions; about C.1.0. with its principle of vertical unions and A.F.L.
Jan 1, 1943
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Employment And Injuries In The Fuel Industries ? Introduction (7e6b1b02-9e86-43c7-a066-72dba3fafdd4)
By Forrest T. Moyer
INJURY experience and related employment information are presented in the chapter for the coal-mining, coking, oil and gas, peat, and native asphalt industries in the United States for 1964. No attemp
Jan 1, 1965