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Partnering Between Phelps Dodge and Solvent Extraction Reagent SuppliersBy Sue W. Wells, James J. Moore, Stephen D. Lynch, R. Hunter White
This paper describes the products and services that Phelps Dodge Corporation desires from solvent extraction reagent suppliers and the partnering relationship that Phelps Dodge wishes to develop with
Jan 1, 1994
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A Maintenance Scheduling Policy For Mining EquipmentBy E. Topuz
Mining equipment, like all other equipment, is subject to failure. Since most failures occur at random and are unexpected, corrective maintenance is usually more expensive and causes more down-time th
Jan 1, 1982
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Instrumentation For Measuring Uranium Miner Exposure To Radon DaughtersBy Robert F. Droullard
The U. S. Bureau of Mines (USBM) has investigated instrumentation and methods for measuring exposure to radon daughters in underground mine atmospheres. Both personal and area monitors have been studi
Jan 1, 1981
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On-Line Analysis of Phosphate Rock Slurry by Prompt Neutron Activation TechniqueBy S. L. Zhu, Brij M. Moudgil, J. L. Pinault
Prompt neutron activation probe (PNAP) was evaluated to determine chemical composition of phosphate rock slurry in-situ. The technique was able to precisely analyze Ca, Si and H using a 252Cf source.
Jan 1, 1993
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An Investigation Of The Performance Of A Spiral Using Radioactive Gold TracersBy E. G. Kelly, D. E. Walsh
The behavior of gold particles on a spiral was studied using radioactive gold tracers. The method allowed the effects of particle size, particle shape, pulp density, feed rate and splitter settings to
Jan 1, 1993
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Estimation of Weight Ratios Given Component Make-Up Analyses of StreamsBy Richard Klimpel
In this paper various formulae are developed which can be used to estimate stream flow rates or weight ratios given information on the stream components. The type and level of experimental error prese
Jan 1, 1980
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Rehabilitation: Where Are We Now?Rehabilitation has been very effective in the short to medium term in providing a cost effective and reliable means of containing the side effects of land disturbance. However, there is still insuffic
Jan 1, 1992
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New York - Philadelphia Paper - Basaltic Zones as Guides to Ore-Deposits in the Cripple Creek DistrictBy E. A. Stevens
It has been ascertained in recent years that certain rocktypes, geological formations and structural conditions may be used as fairly reliable guides, when prospecting in recognized mineral belts or m
Jan 1, 1903
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Probabilistic quantification of uncertainty in predicting mine pit-lake water qualityBy J. H. Kempton, D. Atkins, W. Locke
The scrutiny given to model predictions of pit-lake water quality has focused attention on the uncertainty associated with long-term predictions. Although comparison of probabilistic predictive modeli
Jan 1, 2000
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Company-Wide Automation Strategy at LKABBy Håkan Tyni, Jan Björkman, Per-Olaf Samskog, Irving Wigdén
Process automation can provide better utilization of capital investments. Furthermore, it is a necessity for securing the high demands of product quality. In this paper, process automation in undergro
Jan 1, 2000
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Use of liquid phase tracers in material balance calculationsBy A. J. Neale, B. C. Flintoff
A relatively inexpensive and reliable method of using liquid phase tracers to aid in the solution of material balance problems is introduced. The method is of value in situations where one is required
Jan 1, 1987
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Use of the Pressure Arch in Mine Design at White Pine (6aed7b18-4b30-4a3f-aebf-fd50dd1f2c06)By Jack Parker, Gonzalo Barrientos
The most realistic mine pillar design is based on observations and measurements in situ. Low-cost reliable instrumentation has made this approach possible. At the White Pine mine, with its thousands o
Jan 1, 1975
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Process simulation with spreadsheet softwareBy J. W. Merks
Spreadsheet software is an effective tool for simulating dynamic stochastic systems such as mineral processing plants. The two-product formula is used to show how to set up a Monte Carlo simulation in
Jan 1, 2000
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Low Cost Production of Sulphuric Acid by the Minproc/Fattinger ProcessBy Sneyd R. J, Walton M. C
In early 1987 Minproc acquired a license from the inventor to engineer and construct acid plants incorporating the Fattinger technology. The process offers a simple and reliable method of producing
Jan 1, 1989
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Low-Voltage Shielded CablesBy J. Hanslovan, R. H. King
An investigation of the feasibility of shielding low-voltage trailing cables in underground coal mines is described. Both laboratory and under¬ground installation results are presented. The main objec
Jan 1, 1979
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Morwell Open Cut: Mine Scheduling (36eba653-885d-47b0-b25f-6e2b458bad34)By Brimblecombe P
Morwell Open Cut is a continuous mining operation employing 5 buck- etwheel excavators, I bucket chain excavator and 54 conveyors. The combined bunkering capacity at both client Power Stations repres
Jan 1, 1989
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A Method for Determination of Strength of Coal MassBy Qixiang Y
The strength of coal mass saturated with gas is an essential parameter in studying the mechanism of gas and coal outburst,and its prediction method. Up to now, there has not been a method for dete
Jan 1, 1992
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Process Design, Scale-Up And Plant Design For Gravity ConcentrationBy Chris Mills
The role of gravity separation in the mineral industry is briefly considered in perspective. The mineralogical and laboratory approaches to gravity process design are examined with emphasis on process
Jan 1, 1978
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Injection Techniques for Cost-effective Stabilization of Brittle and Faulted Strata ZonesBy Martin Bolesta
The use of strata injection as a means of stabilizing brittle and heavily stressed ground as well as faulted zones is now state-of-the art technology. Users are obliged to select the right combination
Jan 1, 2001
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IC 7335 Destruction Of Damaged, Deteriorated, Or Unwanted Commercial Explosives - IntroductionBy R. D. Leitch
From time to time the Bureau of Mines has received requests from persons who wish to destroy unwanted explosives, and although the information that follows has been accumulated from sources considered
Jan 1, 1945