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Coal
Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams. The harder forms, such as anthracite coal, can be regarded as metamorphic rock because of later exposure to elevated temperature and pressure. Coal is composed primarily of carbon along with variable quantities of other elements, chiefly hydrogen, sulfur, oxygen, and nitrogen.
Industry: Energy
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Coal
Coal fines
Energy; Coal
Coal with a maximum particle size usually less than one-sixteenth inch and rarely above one-eighth inch.
Discharged fuel
Energy; Coal
Irradiated fuel removed from anuclear reactor during refueling. Also see Spent Fuel.
Coal gasification
Energy; Coal
The process of converting coal into gas. The basic process involves crushing coal to a powder, which is then heated in the presence of steam and oxygen to produce a gas. The gas is then refined to ...
Dispatching
Energy; Coal
The operating control of an integrated electric system involving operations such as (1) the assignment of load to specific generating stations and other sources of supply to effect the most ...
Disposition, natural gas
Energy; Coal
The removal of natural, synthetic, and/or supplemental gas, or any components or gaseous mixtures contained therein, from the responding company's facilities within the report State by any means or ...
