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RI 8396 Absorption of Radium and Thorium From Wyoming and Utah Uranium Mill Tailings Solutions
By H. R. Beard
The Federal Bureau of Mines investigated the absorption of radium and thorium from waste uranium leach liquor by clays and other materials. This work was conducted in support of the Bureau's goal
Jan 1, 1979
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RI 7699 Experimental Investigations Of An Open-Cycle, Vortex MHD Generator
By George J. Conroy
Electrical power generation was studied in a laboratory-scale, open-cycle vortex MHD generator, which offers several advantages over straight-channel generators that require separate combustors. Compa
Jan 1, 1972
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Sampling For Methane In Mines And Tunnels
By Fred N. Kissell
In This Chapter [Instruments available to measure methane in mines and tunnels Using a portable detector in both accessible and restricted spaces Machine-mounted monitors: placement and res
Jan 6, 2006
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The Mineral Industry Of Other East African Countries - Burundi (5762e8c8-9f9a-4334-a3cd-7f4c0b3335ab)
By Kevin Connor
During 1986, the Government continued with efforts to ease the country's almost total reliance on coffee exports for trade revenues by allocating 45% of the Government's budget to commerce a
Jan 1, 1988
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RI 3209 The Cleaning Of Fine Coal From The Mary Lee Bed At The Porter Mine ? Introduction
By A. C. Richardson
The mine of the Porter Coal Co. is located at the town of Porter in the northwestern part of Jefferson, County, Ala., about 20 miles west of Birmingham. The operations in this mine are confined to the
Jan 1, 1933
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IC 8930 Copper Availability - Market Economy Countries - A Minerals Availability Program Appraisal
By R. D. Rosenkranz
The Bureau of Mines has investigated the availability of copper from 272 deposits in market economy countries. The deposits studied have demonstrated resources totaling 413 million metric tons of cont
Jan 1, 1983
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IC 8312 Sulfur Content Of United States Coals ? Introduction
By Joseph A. DeCarlo
Coal is one of our basic sources of energy (heat, power, light) and an essential raw material for most metallurgical processing. More than two-thirds of the electricity currently produced by thermal p
Jan 1, 1966
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IC 8312 Sulfur Content Of United States Coals ? Introduction (594562e6-73ac-400b-a221-cee998b4a6aa)
By Joseph A. DeCarlo
Coal is one of our basic sources of energy (heat, power, light) and an essential raw material for most metallurgical processing. More than two-thirds of the electricity currently produced by thermal p
Jan 1, 1966
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Reducing Enclosed Cab Drill Operator’s Respirable Dust Exposure With Effective Filtration And Pressurization Techniques
By Michael Schmitz, Eugene Ahrenholtz, William A. Heitbrink, Jeanne A. Zimmer, Andrew B. Cecala, Ernest S. Moyer, Earle H. Andrews, Chris C. Coppock, John A. Organiscak
Many different types of surface mining equipment use enclosed cabs to protect equipment operators from health and safety hazards. The overburden removal and mining process can be extremely dusty and c
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RI 8104 Waste Glass as a Raw Material for Lightweight Aggregate
By K. J. Liles
Research was undertaken by the Bureau of Mines to determine the technical feasibility of producing lightweight aggregate from the waste glass fraction of municipal incinerator residues. Tests were con
Jan 1, 1976
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Development Of New Protocols To Evaluate The Transverse Loading Of Mine Ventilation Stoppings
By T. J. Batchler, T. M. Barczak
The Code of Federal Regulations (CFR) requires that the transverse load capacity of stoppings be equal to or greater than traditionally accepted in mine controls, which for block stoppings is generall
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IC 8094 Sulfur Production And Consumption In Eight Western States: Arizona, Colorado, Nebraska, New Mexico, North Dakota, South Dakota, Utah, And Wyoming
The Bureau has published much data on sulfur (4, 15, 23)3, most of it dealing with national or international aspects of the sulfur industry. Little information, however, is available on sulfur marketi
Jan 1, 1962
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RI 7370 Anode Materials For Alumina Reduction - Evaluation Of Lignite As A Carbon Source
By V. A. Cammarota
In this report, the effects of anode-production variables, such as aggregate coke sizes, pitch binder content, and baking cycle, were investigated. A small alumina reduction cell proved effective in e
Jan 1, 1970
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RI 3575 Experiments On Strength Of Small Pillars Of Coal In The Pittsburgh Bed
By H. P. Greenwald, Irving Hartman, H. C. Howarth
"INTRODUCTION A report of tests of seven small pillars formed from the Pittsburgh coal bed in the Experimental coal mine was given in Technical Paper 605 5/ Five additional pillars were tested between
Jun 1, 1941
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IC 7297 Control Of Silicosis Hazard By Substitution Of Quartz-Free Or Low-Quartz Material For Sand Used Under Mine Locomotives ? Introduction
By Carlton E. Brown
Sand, which is used widely under the wheels of mine locomotives to prevent slipping, is an important source of silica dust breathed by some employees of certain mines, such as those having appreciable
Jan 1, 1944
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OFR-196(2)-82 Procedures For Hoist And Shaft Inspection & Maintenance - Volume II
By J. Cseff
A variety of shaft and hoist equipment exists in the United States. Nearly all hoist systems are electrically driven. Machine elements which comprise the hoists and ancilliary equipment include bearin
Jan 1, 1981
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OFR-55-73 Spontaneous Electrostatic Precipitation Of Dust
By Frederick M. Fowkes
Dusts can be filtered out of air streams onto polymer surfaces by electrostatic trapping resulting from the spontaneous transfer of electrons upon contact between dust particles and the polymer surfac
Jan 1, 1973
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RI 8204 Detection of Filamentous Iron Bacteria in Open Recirculating Cooling Water Systems
By H. E. Hilliard
A method was investigated for detecting and counting filamentous iron bacteria in open recirculating cooling systems. It is simple and fast and does not require trained microbiologists. Samples fr
Jan 1, 1976
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IC 8143 Secondary Nonferrous Metals Industry In California - With Data On Nevada And Hawaii ? Introduction And Summary
By George C. Branner
This circular is concerned with eight nonferrous scrap metals as they generated, collected, prepared, and consumed in California. Brief reference also is included with respect to Nevada and Hawaii. Fo
Jan 1, 1962
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OFR-61-88 Improved Ventilation Of Sealed Mine Gob
By Steven D. Wirch
Abandoned underground coal mine areas must either be sealed or ventilated to comply with federal mine regulations. Ventilation of these abandoned areas is often impractical due to roof falls and inade
Jan 1, 1988