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 gasification and the environment iran Eastman Chemical Coal Gasification Plant to Resume Operation Post the mechanical completion of Eastman Chemical's (EMN) coal gasification plant, it is scheduled to restart to enable full production in early 2018.
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the environmental impact that coal mining and coal energy conversion can have on our ecosystems, water quality, and even our countryside landscape. A Potential Solution—Clean Coal A promising solution comes with coal gasification. Gasification avoids burning coal altogether: it turns coal into gas.
Shell has been at the forefront of gasification research and innovation over the past 50 years, with reports showing 170 Shell gasification process (SGP) and 34 coal gasifiers built, and currently, 96 SGP and 24 Shell coal gasification process gasifiers in operation worldwide.
Dakota Gasification Company, a for-profit subsidiary of Basin Electric Power Cooperative, owns and operates the Great Plains Synfuels Plant near Beulah, ND. The Synfuels Plant is the only commercial-scale coal gasification facility in the United States that manufactures natural gas.
As Laszlo Varro, head of gas, coal and power markets at the International Energy Agency (IEA), says: "[Coal gasification] is attractive from an economic and energy security perspective.