Results 81 to 90 of about 1,389,592 (239)
Coal desulfurization by aqueous chlorination [PDF]
, 1982 A method of desulfurizing coal is described in which chlorine gas is bubbled through an aqueous slurry of coal at low temperature below 130 degrees C., and at ambient pressure.
Corcoran, W. H. +4 more
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Combustion of coal gas fuels in a staged combustor [PDF]
, 1982 Gaseous fuels produced from coal resources generally have heating values much lower than natural gas; the low heating value could result in unstable or inefficient combustion. Coal gas fuels may contain ammonia which if oxidized in an uncontrolled manner
Mcvey, J. B. +3 more
core +2 more sources
This lesson provides an introduction to the use of coal as an energy source. Topics include the history of coal usage, applications of coal as an energy source, and major suppliers of coal (the United States).
John Pratte
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Characterization and washability studies of raw coal from the Little Tonzona Field, Alaska [PDF]
, 1991 Coal occurs in an isolated exposure of Tertiary, non-marine sedimentary rocks along the southwest bank of the Little Tonzona River, near Farewell, Alaska. The Little Tonzona River coal field is located approximately 150 air miles northwest of Anchorage,
Charlie, K.G. +3 more
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STUDYING THE POSSIBILITY OF USING RED-BROWN CLAY FOR RECLAMATION OF COAL WASTE DUMPS [PDF]
, 2018 The coal mining industry, as the source of the main fuel resource and the main energy resource, has particular importance for Ukraine.
Heilmeier, Hermann +1 more
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Gas emissions, minerals, and tars associated with three coal fires, Powder River Basin, USA. [PDF]
, 2012 Ground-based surveys of three coal fires and airborne surveys of two of the fires were conducted near Sheridan, Wyoming. The fires occur in natural outcrops and in abandoned mines, all containing Paleocene-age subbituminous coals. Diffuse (carbon dioxide
Aggen, Kerry L +20 more
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Geologija, 2019 In this multi-elemental study, 34 elements (Ag, As, Au, Ba, Br, Ca, Cd, Ce, Co, Cr, Cs, Eu, Fe, Ga, Hg, Hf, K, La, Mo, Na, Nd, Rb, Sb, Sc, Se, Sm, Sr, Ta, Tb, Th, U, Yb, Zn and Zr) were analysed in Slovenian coals from operative (Velenje) and non ...
Tjaša Kanduč +3 more
doaj +1 more source
XXVI.—On the Fossil Flora of the South Wales Coal Field, and the Relationship of its Strata to the Somerset and Bristol Coal Field [PDF]
, 1895 Robert Kidston
openalex +1 more source
Coal in Alaska requirements to enhance environmentally sound use in both domestic and Pacific Rim markets [PDF]
, 1990 This document originates from three meetings held in 1989 with the leaders of the Alaskan Coal Industry and coal technologists from the U.S. Department of Energy (DOE)~ Mineral Industry Research Laboratory (MIRL) and Geophysical Institute - University of
Irwin, W. +4 more
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Nature, 1904 SOME of your readers will no doubt be interested to see the photograph sent herewith, which represents a peculiar growth of coal on a piece of timber.
openaire +2 more sources