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RI 7361 High-Temperature Combustion Of Coal Seeded With Potassium Carbonate In The MHD Generation Of Electric Power
By D. Bienstock
A rig was constructed to burn 100 to 125 lb of coal per hour at 4,000° F in a cyclone burner with oxygen-enriched air preheated to 1,500° F to ascertain the problems in the coal-fired MHD generation o
Jan 1, 1970
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RI 8713 Atmospheric Pressure Desilication of Leach Liquors From Lime-Sinter Processing of Anorthosite
By Masami Hayashi
The Bureau of Mines conducted laboratory studies to investigate methods for desilicating sodium aluminate solution derived from leaching a limestone-anorthosite sinter with 10-pct Na2C03 solution. Des
Jan 1, 1982
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Review Of The Mineral-Fuel Industries
By Warren E. Morrison
Stimulated by 4 years of continuous economic growth without inflation, demand for energy in the United States reached an alltime high in 1964. Total value of production of goods and services (gross na
Jan 1, 1965
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RI 5777 Recovering Aluminum And Fluorine Compounds From Aluminum Plant Residues ? Introduction And Summary
By R. S. McClain
The Federal Bureau of Mines investigated residues from aluminum plants, to determine if carbon could be removed by flotation while recovering fluorine and aluminum compounds for recycling to the reduc
Jan 1, 1961
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IC 8099 Use Of High-Speed Data Reduction And Processing In The Mineral Industry ? Summary And Introduction
By Richard F. Hewlett
The purpose of this Bureau of Mines paper is to provide the mineral industry with current information on high-speed data processing and to illustrate how some of these techniques can be applied to the
Jan 1, 1962
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OFR-37-78 Development Of A Nonprimary-Explosive, Low-Voltage Electric Detonator For Use In Mining Operations
By P. B. Ritter
The feasibility of redesigning and adapting the all- secondary-explosive, low-voltage, electric safe detonator for use as a delay detonator has been demonstrated. Experimental results have shown that
Jan 1, 1977
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IC 8182 Sandstone As Dimension Stone
By Oliver Bowles
Sandstone, a widely distributed siliceous sedimentary rock, is the third most popular building stone in the United States. It is formed by the breaking down of preexisting rocks by weathering, subsequ
Jan 1, 1963
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IC 8119 Bureau Of Mines Research And Technologic Work On Coal, 1960 ? Introduction
This report is the 25th in a series summarizing Bureau of Mines research and technologic work on coal and related investigations, and the 7th of these reports to be issued on a calendar-year basis.3 I
Jan 1, 1962
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OFR-79-77 Demonstration Of Modified Conventional Coal Mining Equipment
By Don] [Hinkle
Unable to Load
Jan 1, 1977
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RI 8759 Alumina Miniplant Operations - Overall Mass Balance for Clay-HCI Acid Leaching
By Dwight L. Sawyer
To provide technology that can help decrease the dependence of the U.S. aluminum industry on imported bauxite, the main ore of aluminum, the Bureau of Mines is investigating the extraction of aluminum
Jan 1, 1983
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IC 9081 Thermodynamic Properties Of Selected Metal Sulfates And Their Hydrates
By Carroll W. DeKock
Thermodynamic data for selected metal sulfates were critically evaluated and compiled as part of the Bureau of Mines program to provide a scientific base for use in developing new technology and predi
Jan 1, 1986
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OFR-115-93 Application Of Cost Engineering To Determine The Optimum Production Rate For Waste Remediation Of Mine Tailings
By Thomas W. Camm
The U.S. Bureau of Mines has developed a system for estimating mining and processing costs as a function of process feed rate with the objective of applying this system to abandoned mine tailings and
Jan 1, 1993
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RI 8928 - Large-Scale Dewatering of Phosphatic Clay Waste From Northern Florida
By Annie G. Smelley
The Bureau of Mines is testing a dewatering technique for phosphatic clay waste that will recover a portion of the water lost using conventional waste disposal methods and produce solids suitable for
Jan 1, 1985
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RI 7913 Recovery of Lead From Galena by a Leach Electrolysis Procedure
By J. E. Murphy
A method is being developed by the Federal Bureau of Mines for recovering lead metal from galena without the generation of SO2. Lead chloride is obtained by leaching lead concentrate at a temperature
Jan 1, 1974
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OFR-79-78 Fabrication And Evaluation Of Optimized Operator Compartments
By Hanns J. Billmayer
Optimized Operator Compartment layouts based on previous Bureau of Mines activities in standardization and optimization of controls were designed and installed in three operating vehicles. Two Nationa
Jan 1, 1976
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IC 9204 Characterization Of The 1986 Nonmetallic Mining Workforce
By Shail J. Butani
In 1986 the Bureau of Mines conducted a probability sample survey, Mining Industry Population Survey, to measure such employee characteristics as occupation; principal equipment operated; work locatio
Jan 1, 1988
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IC 8194 Methods And Practices In Clay Mining, Processing, And Utilization, Kraftile Co., Fremont, Calif. (563995e0-a413-4a32-9237-1362bb69d852)
By Alfred Wild
The Kraftile Co. plant, Fremont, Alameda County, Calif.--the largest producer of glazed, structural wall units west of the Rocky Mountains-- maintains modern processing facilities to evaluate and blen
Jan 1, 1963
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RI 5876 Forced Convection Heating Of Steel Scrap In A Fuel-Fired Vertical Furnace ? Summary
By R. J. Leary
Iron and steel scrap has accounted for 45 to 50 percent of the metallics used by the steel industry. In an electric furnace which utilizes a 100-percent cold charge consisting of about 99 percent scra
Jan 1, 1961
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RI 7078 Investigation Of Flame Propagation Characteristics In Layered Gas Mixtures
By Israel Liebman
The Bureau of Mines conducted an investigation to determine those factors that are significant in affecting the velocity of flames propagating along the boundary separating gaseous fuel and air. In ad
Jan 1, 1968
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RI 8776 Evaluation of Radium and Toxic Element Leaching Characteristics of Florida Phosphogypsum Stockpiles
By Alexander May
The Bureau of Mines conducted studies to determine if phosphogypsum, a waste material from the processing of phosphate rock, contains hazardous toxic materials as defined by the Environmental Protecti
Jan 1, 1983