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A calcined carbonate used to absorb the carbon dioxide evolved during a coal gasification process.

Related Terms

METHANATION

In coal gasification, the catalytic conversion of hydrogen and carbon monoxide to methane.

LOW-TEMPERATURE CARBONIZATION

Low-temperature destructive distillation of coal to produce liquid products.

LENGTH OF SHOT

The depth of the shot hole, in which powder is placed, or the size of the block of coal or rock to be loosened by a single blast, measured parallel with the hole.

HYDROGASIFICATION

A technique to manufacture synthetic pipeline gas from coal; pulverized coal is reacted with hot, raw, hydrogen-rich gas containing a substantial amount of steam at 1000 pounds per square inch gage (6.9 106 pascals, gage) to form methane.

HYDRAULIC DRILL

A rotary drill powered by hydrodynamic means and used to make shot-firing holes in coal or rock, or to make a well hole.

BULK CARGO

Cargo such as oil, coal, ore, woodchips, etc. not shipped in bags or containers

COLLIER

Vessel used for transporting coal.

GREAT LAKES SHIP

Cargo ship used to carry cargo on the Great Lakes. Most carry bulk cargoes of grain, iron ore or coal.

FUEL NOx

NOx that is formed from nitrogen that is organically bound to the fuel molecule. Fuel NOx is most often a problem with liquid fuel or coal burning. Once the nitrogen has been cracked from the fuel molecule, the mechanism follows basically the same path as the prompt NOx mechanism.

PARTICULATES

The residue left over from coal and fuel oil combustion.

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