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RI 7716 Use Of Cryogens To Reclaim Nonferrous Scrap Metals
By E. G. Valdez
Three cryogenic systems that utilized liquid nitrogen, dry ice, and methanol with dry ice were investigated in conjunction with crushing and classifying techniques. The systems were used to aid in sep
Jan 1, 1973
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RI 9476 - Facility for Melting Residues From Municipal Waste Combustion: Design Criteria and Description of Equipment
By Laurance L. Oden, Jack C. White, Alan D. Hartman
The U.S. Bureau of Mines, under a Memorandum of Agreement with the American Society of Mechanical Engineers (ASME), established design criteria for a facility to field residues from municipal waste co
Jan 1, 1993
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RI 7874 Fracturing Oil Shale With Explosives for In Situ Oil Recovery
By J. S. Miller
This report presents a complete coverage of results from Bureau of Mines preliminary research and the field application of explosive fracturing techniques to prepare oil shale for in situ recovery of
Jan 1, 1974
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RI 8726 Fire and Explosion Properties of Oil Shale
By J. K. Richmond
This is a progress report summarizing more than 5 years of a long-range Bureau of Mines research program. The purpose of this program has been to investigate the fire and explosion properties of Green
Jan 1, 1982
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MLA 47-83 - Mineral Investigation Of The Scodies Rare II Area (No. 5212), Kern County, California ? Summary
By Donald O. Capstick
The U.S. Bureau of Mines conducted an inventory of the prospects and mineral resources in the Scodies RARE II area (No. 5212) in 1982. No mineral production is recorded from the area, and no mines are
Jan 1, 1983
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RI 3510 Cushioned Blasting - 1. Orienting Studies ? Introduction (188eae2f-cdfb-404f-98a5-422217b3dec2)
By A. R. T. Denues
The Explosives Division of the Bureau of Mines, United States Department of the Interior, is investigating cushioned blasting at the Explosives Testing Station, Bruceton, Pa. The general interests of
Jan 1, 1940
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RI 3510 Cushioned Blasting - 1. Orienting Studies ? Introduction
By A. R. T. Denues
The Explosives Division of the Bureau of Mines, United States Department of the Interior, is investigating cushioned blasting at the Explosives Testing Station, Bruceton, Pa. The general interests of
Jan 1, 1940
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OFR-4(1)-72 Industrial Engineering Study Of Hazards Associated With Underground Coal Mine Production - Volume I - Analysis Of Underground Hazards And Fatal Accidents
In 1970, the U. S. Bureau of Mines contracted with Theodore Barry and Associates, a management consulting firm, to perform a one-year industrial engineering study of working-face hazards in undergroun
Jan 1, 1971
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RI 8046 Electrophoretic Mobilities and Cation Exchange Capacities of Florida Phosphate Slimes
By Alexander May
The Bureau of Mines, in cooperation with the Florida phosphate mining industry, investigated the dewatering of waste phosphatic slimes. Part of this investigation was to determine the electrophoretic
Jan 1, 1975
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IC 8869 Critical And Strategic Minerals In Alaska - Cobalt, The Platinum-Group Metals, And Chromite
By James C. Barker
A uniquely mineralized area extends from northwestern Canada through Alaska into eastern Siberia. Some of the metals found there are relatively rare in the conterminous United Stales. Among these are
Jan 1, 1981
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RI 6066 Factors Influencing The Design Of Hydraulic Backfill Systems (In Two Parts) 2. Friction-Head Losses Of Barite And Limestone Slurries During Pipeline Transport ? Summary
By John D. Bardill
Data from extensive tests was obtained on friction-head losses of various sand slurries, composed of materials of different specific gravities and under varying transport conditions, to provide useful
Jan 1, 1962
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RI 3546 Effect Of Particle Size On The Rate Of Oxidation Of Anthracite ? Introduction (fdf53f6c-522e-4ff4-9ba5-dd570aac6b4a)
By G. S. Scott
In the course of tire investigation into the causes, behavior, and control of mine fires, which the Bureau of Mines is now conducting, come attention was given to the subject of spontaneous heating.
Jan 1, 1941
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IC 8618 Overcoring Equipment And Techniques Used In Rock Stress Determination
By Verne E. Hooker
Stress-relief techniques and instrumentation have been developed through many years of research in the Federal Bureau of Mines and successfully used to determine the in situ state of stress in rock. T
Jan 1, 1974
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OFR-113-81 The Spontaneous Heating Of Coal And The Role Of Moisture Transfer
By J. B. Stott
The performance of an adiabatic calorimeter for measuring heats of oxidation of coal is assessed and suggestions made for its improvement and calibration. The use of magnetic analysers for measuring
Jan 1, 1980
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RI 8687 Introduction of Sulfur Into Copper Converter Slags To Produce Copper Matte
By J. I. Paige
As part of a continuing effort to develop technology that maximizes mineral and metal recovery from domestic resources, the Bureau of Mines investigated a method to totally utilize copper converter sl
Jan 1, 1982
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RI 7463 Roll Forming Strip From Oxide Powders
By Henry M. Harris
The roll forming of oxide powders was studied in a Bureau of Mines investigation to find the conditions and parameters required to make satisfactory ceramic strip. High-quality porous or dense alumina
Jan 1, 1970
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OFR-3-76 Feasibility Of Remote Control And Development Of Remote Control Devices And Sensors ? Shuttle Car Sensor System - Supplement - Automatic Steering Control For Mine Shuttle Car (Phase I)
By Richard L. Fowler
An automatic steering control system was designed, installed and tested on a coal mine shuttle car. The system utilizes sensors and associated signal processing electronics developed under a previous
Jan 1, 1975
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RI 7449 A Method For Estimating Strength Of Rock Containing Planes Of Weakness
By Frank G. Horino
This report presents a method of utilizing the Coulomb strength criteria for estimating the strength and stability of pillars and pit slopes containing planes of weakness. It is assumed that the Coulo
Jan 1, 1970
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IC 8832 Automatic Fire Protection Systems For Surface Mining Equipment
By William H. Pomroy
Fire on surface mining equipment is a serious hazard to life and property. The Bureau of Mines, through a program of contract and in-house research, has developed and in-mine demonstrated reasonably p
Jan 1, 1980
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RI 8737 Physical Beneficiation of Titanium Plant Solid Wastes: Recovery of Titanium Minerals and Coke
By J. I. Paige
The Bureau of Mines studied methods for recovering unreacted titanium minerals and petroleum coke from titanium chlorination plant wastes prior to neutralization treatment with lime. The objective was
Jan 1, 1982