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  • NIOSH
    RI 6750 Rates Of Adsorption Of Methane On Pocahontas And Pittsburgh Seam Coals

    By L. J. E. Hofer

    The Bureau of Mines determined rates of adsorption and desorption of methane as a function of particle size and temperature, using coals from the Pocahontas No.3 seam (lvb) from the Bishop mine of wes

    Jan 1, 1966

  • NIOSH
    IC 8225 Copper

    By A. D. McMahon

    This survey is one of a series of Bureau of Mines publications designed to serve the needs of Government and industry for comprehensive information on mineral commodities and activities. Copper, a ver

    Jan 1, 1965

  • NIOSH
    Bulletin 33 Comparative Test of Run of Mine and Briquetted coal on the Torpedo Boad Biddle

    By Henry Kreisinger, WALTER T. RAY

    General statement.-The briquetting tests conducted by the technologic branch of the United States Geological Survey had their beginning in the testing of coals and lignites at the Louisiana Purchase E

    Jan 1, 1911

  • NIOSH
    IC 7947 Thermal Decomposition Of Organic Nitrogen And Sulfur Compounds - A Survey Of Chemical Abstracts, 1930 To 1956 ? Introduction

    By Irven A. Jacobson

    This literature survey consists of references dealing with gaseous state thermal decomposition reactions of organic nitrogen and sulfur compounds. The reference source for the survey was the Chemical

    Jan 1, 1960

  • NIOSH
    Mineral Facts And Problems 1965 Edition ? Introduction

    By Charles W. Merrill

    THE INDUSTRIAL strength and the security of the United States require an adequate, dependable, and continuing supply of raw materials, of which minerals constitute an indispensable segment. With an ex

    Jan 1, 1965

  • NIOSH
    Analyses Of Arizona, California, Idaho, Nevada And Oregon Coals - The Coal Fields Of Arizona, California, Idaho, Nevada, And Oregon

    By David A. Andrews

    Coal occurs at many scattered localities in Arizona, California, Idaho, Nevada, and Oregon, but in most of the known occurrences thick coal beds are of small extent and the coal generally contains a h

    Jan 1, 1947

  • NIOSH
    Corrosive And Erosive Effects Of Acid Mine Waters On Metals And Alloys For Mine Pumping Equipment And Drainage Facilities - Anthracite Region Of Pennsylvania ? Summary

    By S. H. Ash

    NINE-TENTHS of the total anthracite deposits of North America are in Pennsylvania. Corrosion of pumping equipment by acid mine waters has been experienced at tremendous cost by mining companies in th

    Jan 1, 1955

  • NIOSH
    RI 3746 Precipitation of Copper from an Acid Mine Water

    By A. H. Roberson, F. S. Wartman

    For many years , it has been the common practice at most copper mines to recover copper in solution in effluent mine water by precipitating the copper with scrap iron.4/ The technique employed varies

    Feb 1, 1944

  • NIOSH
    Carbonizing Properties: Pocahontas No. 6, Davy Sewell, And Fire Creek Coals From West Virginia And Upper And Lower Kittanning And Upper And Lower Freeport Coals From Pennsylvania

    By J. D. Davis

    THE carbonizing properties of one medium- and and five low-volatile coals from West Virginia and one high-volatile A and two medium-volatile coals from Pennsylvania were determined by 800° and 900° C.

    Jan 1, 1950

  • NIOSH
    RI 5926 Carbonizing Properties Of Perry County, Ky., Coals - Summary

    By G. W. Birge

    Carbonizing properties of the principal coal beds of Perry County, Ky., are described in this Bureau of Mines report. Seven samples, representing the Hindman, Flag, Haddix, and Fire Clay beds, were ca

    Jan 1, 1962

  • NIOSH
    Analyses Of Ohio Coals - Introduction

    By A. C. Fieldner

    ONE of the important functions of the Bureau of Mines is the, analysis of coal from every coal-mining State and Alaska. These analyses are being published for use of Government officials and the publi

    Jan 1, 1952

  • NIOSH
    Quartz Analysis in Coal Mine Samples: Comparison of XRD and P-7 Methods

    By Jianmin Qin, Raja V. Ramani, Wilson Miola

    "The number of underground work entities operating under reduced dust standards in U.S. coal mines has been increasing since the start of the decade of the 80s and is currently approaching 10,000. The

    Mar 1, 1992

  • NIOSH
    IC 7415 Gasification of Solid Fuels in Germany

    By William W. Odell

    Certain gas-making processes are in use in Europe, particularly in Germany, which differ radically from those in common use in America. A number of them are of particular interest because they are dif

    Nov 1, 1947

  • NIOSH
    IC 9293 Appendage Control Of A JOY 14CM Continuous Miner

    By John J. Sammarco

    This U.S. Bureau of Mines report describes the research effort and results for a computer-assisted appendage control system of a Joy 14CM continuous mining machine. The cutter head (shear), gathering

    Jan 1, 1991

  • NIOSH
    RI 5043 Synthetic Liquid Fuels. Annual Report of the Secretary of the Interior for 1953. Part I

    By BUREAU OF MINES

    This report is submitted in accordance with the provisions of the Synthetic Liquid Fuels Act of April 5, 1944 (30 U.S C. 321-325, as amended), which require that: "The Secretary of the Interior shall

    Apr 1, 1954

  • NIOSH
    RI 5721 Preparation Characteristics Of Coal From Preston County, W. Va. ? Summary

    By T. E. Gray

    This report describes the preparation characteristics of the signifi¬cant coalbeds in Preston County, W. Va. It is one in a series of reports planned to determine coals suitable for the production of

    Jan 1, 1961

  • NIOSH
    RI 5432 Carbonizing Properties Of McDowell County, W. Va., Coals ? Summary

    By G. W. Birge

    This report describes the carbonizing properties of the principal coal beds of McDowell County, W. Va. Coals from 14 coal beds were selected for study: Upper Cedar Grove, Middle Cedar Grove, Lower

    Jan 1, 1958

  • NIOSH
    RI 5699 The Role Of Fluidity In Coal Carbonization ? Introduction And Summary

    By G. H. Martindill

    Complex chemical and physical changes occurring during carbonization result in a heterogeneous system composed of gaseous, liquid, and solid phases, whose relative proportions and chemical composition

    Jan 1, 1960

  • NIOSH
    Studies Of The Extraction And Coking Of Coal And Their Significance In Relation To Its Structure - Summary

    By M. Orchin

    THIS PAPER is concerned with two aspects of the behavior of coal: (1) Dispersion by solvents atmospheric pressure and high temperature and (2) the destruction and regeneration of the coking properties

    Jan 1, 1951

  • NIOSH
    RI 3795 Preparation Tests of Lignite from a Deposit Near Toledo, Lewis County, Wash

    By M. R. Geer, H. F. Yancey

    Fuel requirements of the Pacific Northwest have been increased greatly by the war . To the normal peacetime demands for fuel have been added the requirements of new industrial and metallurgical plants

    Jan 1, 1945