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RI 5979 Corrosion Study Of The Hot-Carbonate System ? Summary
By D. Bienstock
As part of the development of the hot-carbonate scrubbing process by the Bureau of Mines, the corrosion rates of steel in boiling solutions of potassium carbonate saturated with carbon dioxide and hyd
Jan 1, 1962
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Ground Water Control In The Urban Environment - Introduction
By Robert G. Lenz
Control of ground water for construction purposes is an everyday occurrence in the U.S. Thousands of pumps are in service at any given time. Most of these applications simply consist of pumping water
Jan 1, 1988
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Observation Methods Using Real-Time Surface Settlement Monitoring On The South Toulon Tunnel Project
By B. Caro Vargas
The Toulon Tunnel project is a key component of the highway corridor on the French Riviera between Marseille and Nice and is a fundamental transportation infrastructure for the region. The first desig
Jan 1, 2012
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Use of Aerophine 3418A Promoter for Sulphide Minerals Flotation
By P. A. Mingione
"AEROPHINE@ 3418A is a unique sulfide mineral promoter produced by Cyanamid, based on phosphine (PH3) chemistry. It has proven effective as a collector for the sulfide minerals of copper and particula
Jan 1, 1990
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Bulletin 220 Bibliography of Petroleum and Allied Substances, 1921
By E. H. Burroughs
This bulletin is the sixth in the series of petroleum bibliographies published by the Bureau of Mines, Bulletins 149, 165, 180, 189, and 216 being compilations for the years 1915, 1916, 1917, 1918, an
Jan 1, 1921
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Experiences And Projections On Sag Mill Multivariable Predictive Control
By R. Fuenzalida
Since 2007, a number of Multivariable Predictive Control (MPC) Applications have been implemented on SAG mills, among others, within the Kairos Mining Concentrator Automation Program using ?Profit Con
Jan 1, 2012
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Optimization of the Damang Mine (f1135579-fc96-4b0b-98ae-1df94fee7413)
By Dayang Datu Khalil, Charle Amoah, Fred Kock
Abosso Goldfields Limited has been optimizing the comminution circuit at the Damang Mine Operation for the treatment of 100% primary ore. The optimization process started at a base rate of 343 tph whe
Jan 1, 2012
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Current and Potential Applications of Radioisotope X-ray and Neutron Techniques of Analysis in the Mineral Industry
Radioisotope x-ray and neutron techniques of analysis can be used for the determination of a wide range of elements in minerals. The most important applications of these techniques to the mineral indu
Jan 1, 1970
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Nui Phao mine – flotation circuit upgrade
By S Morgan, A Jakowetz, S Taylor, B Weekes, S Litson, P Bourke, T L. Do
In the current tough mining environment with lower commodity prices, operators need to improve operational profitability. Optimised equipment asset management is a sustainable way to achieve this obje
Sep 11, 2017
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Constitutive Model for Numerical Modelling of Highly Stressed Heterogeneous Massive Rocks at Excavation Boundaries
By M. C. Villeneuve
A numerical modelling approach was developed to explicitly simulate geomechanical characteristics of intact rock: mineralogy, grain size and fabric. The approach involved creating a representative con
May 1, 2009
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Upgrading Molybdenite Ores between Mine and Mill Using Microwave/Infrared (MW/IR) Sorting Technology
By Eugen Gluck, Gus Van Weert, Peter Kondos
"Microwaves have the capability to heat up sulphides, especially clusters of particles of approx. 1 mm. Some sulphides absorb microwaves more readily than others. Molybdenite is especially effective i
Jan 1, 2009
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Benefication of Adirondack Magnetite
By R. G. Fleck, W. R. Webb
Iron ore mining in the Adirondack region of northern New York dates back to the Revolutionary War. It is recorded that Benedict Arnold in his campaigns in the Lake Champlain area during the American R
Jan 4, 1950
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A Pilot Study Of The Transmissibility Of The Rat Tail Compared To That Of The Human Finger - Introduction
By Ren G. Dong, Kristine M. Krajnak, Dan Welcome
Continual occupational exposure to vibrating hand tools can damage the neural, vascular and other soft tissues of the fingers. Rat tail models have been developed to investigate the biological respon
Jan 6, 2006
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Estimating Cost of Equity in Project Discount Rates: Comparison of the Capital Asset Pricing Model and Gordon’s Wealth Growth Model
By C. Musingwini, A. S. Nhleko
"Since the Global Financial Crisis (GFC) in mid-2008, capital has been more difficult to access. Mining projects must contend with projects from other industries for scarce capital. A decision to inve
Jan 1, 2016
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Alternative Final Cavern Linings For The East Side Access Transit Project
By Colin Barratt
The East Side Access (ESA) project is the largest underground rail infrastructure project under construction in New York City, USA. The Manhattan segment of the project is to be mined through rock and
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Computer Simulation of Roadway Development to Support Longwall Mining
Prefeasibility planning and cost estimation of conveyor systems has historically been undertaken by comparing fixed plant transport requirements to that of similar systems in service. This paper descr
Dec 6, 2010
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The Transition From Open Pit To Underground Mining: An Unusual Slope Failure Mechanism At Palabora
By Hao Li, Allan Moss, Richard K. Brummer
At the Palabora Mine, the transition to caving 400 m below the bottom of the 800 m deep pit resulted in a slope failure of the North wall that began in 2003, and is still mobile. This failure can be
Jan 1, 2006
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Determination Of The Degree Of Thermal Exposure To The Lower Head Of The Three-Mile Island Unit 2 Nuclear Reactor Using Metallography ? Synopsis
By G. F. Vander Voort
The accident at Unit No. 2 of the Three Mile Island nuclear reactor (TMI-2) on 28 March 1979 was the worst nuclear accident in US history and crippled the nuclear industry. An international Vessel Inv
Jan 1, 2013
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Potassium-Bentonite from Mount Kaputar, New South Wales
Devitrification of a glassy volcanic ash equivalent to an alkaline trachyte in composition has resulted in the formation of an interstratified illite-montmorillonite with an 1:1\1 content of 1:4 as th
Jan 1, 1967
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Column Flotation Of Florida Phosphate: An Optimization Study (944395e2-cf64-4441-9b14-b991528f7ef6)
By R. Sharma, S. Svoronos, S. Gupta, N. A. Abdel-Khalek
This paper presents the results of column flotation of a fine feed sample of Florida phosphate. A central composite design is used to study the main and interaction effects of parameters affecting col
Jan 1, 1999