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Technology Comparison Of CFB Versus Pulverized Fuel Firing For Utility Power Generation ? Synopsis (e0bfa952-ffff-4d83-adb4-c67d33f5dc17)
By J. Utt
Recent developments in circulating fluidized bed (CFB) once-through supercritical technology (OTSC) have enabled this technology to be offered as a utility-scale alternative competing head-to-head wit
Jan 1, 2012
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Ball Valves with Nanostructured Titanium Oxide Coatings for High-Pressure Acid-Leach Service: Development to Application
By J. Walker, G. E. Kim
Since May of 2000, Mogas Industries, in partnership with F.W. Gartner Thermal Spraying Co. and using the services of Perpetual Technologies, has invested time, energy, and resources towards developing
Jan 1, 2004
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MLA 40-88 - Mineral Resources Of The Lime Canyon Wilderness Study Area, Clark County, Nevada ? Summary
By Richard A. Winters
In 1987, at the request of the U.S. Bureau of Land Management, the U.S. Bureau of Mines studied the 34,680-acre Lime Canyon Wilderness Study Area (NV-050-231) to evaluate its identified mineral resour
Jan 1, 1988
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Interest Continues to Increase in Eastern Magnetite
By Arthur T. Word
STANDING room only seemed to be the order at the annual session and luncheon of the Eastern magnetite committee. Gatehouse check at the former indicated at least 80, with 33 attending the luncheon - a
Jan 1, 1944
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RI 8839 - Laboratory Testing of Compressed-Oxygen Self-Rescuers for Ruggedness and Reliability
By Nicholas Kyriazi
The Bureau of Mines subjected three commercial compressed-oxygen self-contained self-rescuers to a series of laboratory treatments designed to simulate various environmental conditions in underground
Jan 1, 1983
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Cryogenic Air A Potential Solution 'Io The Problem Of Respirable Mine Dust
By L. K. Eigenbrod
Throughout the mining industry, pneumoconiosis is one of the most severe occupational health problems being faced. The goal of completely eliminating pneumoconiosis as an occupational health hazard wa
Jan 1, 1971
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Potential of Sensor-Based Sorting for The Gold Mining Industry (93612de3-4206-4802-ac82-31d158d41b35)
By H. Wotruba, L. von Ketelhodt, M. Kowalzcyk, M. Robben
ABSTRACT Decreasing reserves, water shortages, increasing energy costs, and environmental and social constraints are challenges to the gold mining industry that must be met with innovative machines an
Jan 1, 2013
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The evolution of the Monty Geological model and the revolution of the on-site modelling and grade control processes
By P Willems, J B. Crow, R Dale
Open pit mining commenced at Lihir Island in 1997 and is undertaken using a conventional drill, blast, load, haul methodology. Unique challenges at the operation include an active geothermal system, a
Mar 22, 2022
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Evaluating the Effect of Seeding on Zinc Recovery through the Zincor Iron Removal Circuit
By Jochen Petersen, Diane Taggart
"At an average of 90.3% (for the period of 1 January 2009 to 30 September 2011), Zincor’s zinc recovery was well below the industry standard of 96%. The losses through the residues, in particular the
Jan 1, 2016
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Review of mine ventilation system optimization
The following procedure was used to determine cut-off grades: define the orebody profile; plan the stope layout and quantify the work involved; formulate equipment-performance norms; calculate unit co
Jul 1, 1996
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Impact of War on the Oil Industry
By AIME AIME
OVER-ALL operations of the oil industry, as measured by production of crude oil and consumption of products, are almost exactly of the same magnitude as a year ago. Does this mean that the great oil i
Jan 1, 1942
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MLA 6-90 - Minerals In The East Mojave National Scenic Area, California: A Minerals Investigation - Volume I
In 1990, the Bureau of Mines (BOM) conducted a mineral investigation of the mines and prospects in the East Mojave National Scenic Area (EMNSA), San Bernardino County, California During field work, BO
Jan 1, 1990
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IC 6827 Safety Posters at the Calumet & Hecla Mines
By F. S. Crawford
It has been said that safety promotion passes through four stages--the band-playing, the machine-guarding, the protective equipment, and finally the educational stage; the last is the most important i
Feb 1, 1935
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The Treatment Of Metallurgical Wastes Using The Enviroplas Process
By N. A. Barcza
DC plasma-arc technology using a hollow graphite electrode (cathode) has been successfully implemented in the primary metallurgical industry in South Africa up to the 30 MW scale. Mintek has applied i
Jan 1, 1994
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The burden of preventative maintenance, a manufacturer's challenge
By A. Ouellette, E. Nilsson
"Preventative maintenance is a burden for equipment users but a demand from the machine suppliers to ensure performance. Machine availability depends on preventative maintenance being followed.Mining
Jan 1, 1992
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Function of Nova Scotia Coal In a Time of High-Priced Energy
By L. P. Chrismas
"IN 1975, Nova Scotia produced 1.8 million tons of coal with a FOB mine value of $47.6 million. Of this total, about 30 per cent or 600,000 tons was coking coal and the remainder was steam and industr
Jan 1, 1976
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Have Aggregates - Will Travel
By B. J. Timmons
An initial point that I would like to make very emphatically?and as our title might erroneously suggest for those of you old enough to remember . . . Peter Harben and myself do not intend to shoot our
Jan 1, 1987
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RI 3531 Air Flow At Discharge Of Fan-Pipe Lines In Mines - Part 1. - 10-Inch Line In Development End ? Introduction (e8c34429-6cef-40b1-87cf-4e08b99ca8c5)
By G. E. McElroy
[The ventilation of development faces In nines for diluting Gas or dist concentrations and, in hot nines for providing air-motion cooling effect, by fan-pipe units discharging high-velocity steams of
Jan 1, 1940
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Treatment and Rehabilitation of Acidic Waste Rock and Tailings – A 14-year Case Study
By D Blair, T Scutts, L Fergusson
This paper presents a waste rock treatment and rehabilitation program conducted at a metaliferous mine site in northern New South Wales from 2000–2013. It updates findings from 2005 for Program #1 (wh
Jul 16, 2014
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Modeling the Flow of Information in Mine Maintenance Systems
By M. G. Lipsett
One challenge in applying information technologies in Mining is building a business case. In Mine Maintenance, there is a complex flow of information that contributes to making informed business decis
May 1, 2001