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Software For Hydrologic Monitoring Of In Situ Leaching Operations
By Peter K. Mathison
The U. S. Department of Interior, Bureau of Mines (Bureau) is developing a hydrologic monitoring system for in situ leaching operations. A working prototype of this system was installed and tested at
Jan 1, 1992
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Diesel Particulate Matter –So What’s The Big Deal?
By E. A. Metz
Perfect combustion in an engine would produce only water vapor, carbon dioxide and nitrogen as by-products; however, complete combustion is never achieved. As a mobile power plant, the diesel engi
Jan 1, 2001
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A Simulation Model for the Optimization and Risk Management of Preproduction Mine Development in a Block Caving Mining Project
By J. A. Botín
Mining investment decisions are difficult since decision analysis is often based on scarce information. The sources of uncertainty in large mining investment projects are particularly numerous and are
Feb 23, 2014
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Vibro Energy Milling and its Application to Gold Recovery
"This paper describes some of the methods and equipment used for fine milling of minerals, and gives particular attention to the Vibro Energy system.In addition, the paper describes a specific applica
Jan 1, 1988
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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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The Spillway Dilemma For Mine Tailings Closures
By T. Clarkin
This paper presents a hydrologic closure design concept to minimize the risk of water discharges from closed mine tailings facilities. It evaluates the applicability of U.S. Nuclear Regulatory Commiss
Jan 1, 2012
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Physical Modelling Of Slag-Metal Dispersion (37ad1f35-f1c2-4487-a9f7-50a53447b856)
A physical modelling study has been carried out to simulate the slag-metal dispersion induced by a high-strength bottom gas injection. Water and kerosene were utilized to simulate metal and slag respe
Jan 1, 2004
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Six To Be Inducted Into National Mining Hall of Fame
Steven F. Leer, president and chief executive officer of Arch Coal Inc. will be the master of ceremonies for the 12th Annual National Mining Hall of Fame Induction Banquet. The black-tie (optional
Jan 1, 1999
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Towards Formalizing Qualitative Operations Input Data into Mine Planning (2dcf5f47-b85e-490f-8b96-c37606eb1d7d)
By T. G. Joseph
Mines must manage variability from within their operations as well as those imposed upon them by external forces. This paper provides a framework to manage both internal and external variability throu
Nov 1, 2011
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Cu-Removal From The Skorpion Circuit Using Emew® Technology
By I. Ewart, E. Roux
Skorpion Zinc operates a solvent extraction/electrowinning zinc plant producing over 150 000 t/a of special high grade (SHG) zinc (>99.995% Zn). In the current flow sheet copper and cadmium are cement
Jan 1, 2007
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Key Results Of The Initial Environmental Risk Assessment For Chromium III Compounds And Chromium Metal
By E. Pezennec
A voluntary comprehensive environmental Risk Assessment was launched at the end of 2004 by the International Chromium Development Association. The completion is scheduled for mid 2006.EURAS, a leading
Jan 1, 2007
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Roman lead plumbing: did it really contribute to the decline and fall of the Empire?
By J. E. Dutrizac, R. J. C. MacDonald, J. B. O'Reilly
"Sometime around 3000 B.C., primitive metallurgists working in the mountainous regions of Asia Minor bordering on the Black Sea (Pontus) produced a soft, easily fused metal today known as lead. It app
Jan 1, 1999
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Ensuring Professional Engineering Capability - Queensland Professional Engineers Act 2002
The provision of professional engineering services in Queensland is regulated through the Professional Engineers Act 2002. The Act requires that anyone providing professional engineering services must
May 1, 2010
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An Overview of Copper Smelting in Southern Africa
By Phillip J. Mackey, Rodney T. Jones
"Copper and copper alloys remain key materials for society today, with important uses found in the electrical, transportation, and construction industries. Copper demand is rising, with projections in
Jan 1, 2015
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Research and Development Activities for Initiating Devices at Sandia National Laboratories
By Dennis E. Mitchell
The need to develop and field explosive, pyrotechnic and propellant initiating systems that have high reliability and extraordinary safety requirements has led to the exploration and development of se
Jan 1, 1995
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Simulation In Mineral Processing History, Present Status And Possibilities
By A. J. Lynch
Mineral processing models have been discussed for many years but it was not until digital computers became available about 1960 that serious attempts at circuit simulation could be carried out. Even t
Jan 1, 1999
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Mud Rushes And Methods Of Combating Them
By R. Butcher
Mud rushes are hazardous occurrences that have occurred frequently in mines in South Africa, and have been the cause of numerous fatalities in the past. Mud rush incidents not associated with accident
Jan 1, 2005
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Construction Of Permanent Intruded Plugs At South Deep Gold Mine
By D. A. Bruce
The paper describes the construction of 5 plugs to resist high water heads at depth within the South Deep Gold Mine, Randfontein, South Africa. A total of 20 segments were involved to create these plu
Jan 1, 2006
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Production Of Lightweight Aggregate From Waste Materials (ee2a87da-befe-4bad-915f-b20cc6432f6f)
By M. H. Weinecke, B. P. Faulkner
This paper will discuss the process for making lightweight aggregate, the waste materials that make good lightweight aggregate, the chemistry of making lightweight aggregate and finally a discussion o
Jan 1, 2001
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Findings from a transient electromagnetic trial for heat-affected coal
By H J. Stedman
A Transient Electromagnetic (TEM) geophysical survey was trialled in Bowen Basin Permian coal measures overprinted by Cretaceous intrusion. The trial’s intention was to compare whether TEM could asses
Sep 20, 2017