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Coal Dust

Coal Dust
Synonyms  : Sea coal, coal facings, ground bituminous coal & lignite coal dust.

 

Coal dust is an odourless dark brown to black dust created by the crushing, grinding, or pulverizing coal.   Conditions contributing to instability are Heat, Sparks & Open Flame.

 
 

Chemical Properties :

1.                 Ash Content                : 19 to 20%
2.                 Volatile Matter           : 38  to 40%
3.                 Moisture                  : 5 to 7%
4.                 Fixed Carbon             : 37  to 39%
5.                 Mesh Size                 : Passing through 100 mesh

 

Applications :

 

1.     Coal dust is used in Green Sand Foundries, Automated Casting & Manual Moldings to remove air from the molten metal.

 

2.     Plant (Disamatics)

 

3.     In thermal power plants, coal is ground into dust using a device called a powdered coal mill.   The resulting product, called powdered coal or pulverized coal, is then generally used in a fossil fuel power plant for electricity generation.