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fly ash

   Also found in: Dictionary/thesaurus, Acronyms, Wikipedia 0.01 sec.
fly ash [′flī ‚ash]
(engineering)
Fine particulate, essentially noncombustible refuse, carried in a gas stream from a furnace.
Coal combustion residue.

fly ash
The finely divided residue resulting from the combustion of ground or powdered coal, transported from the firebox through the boiler by flue gases.

fly ash
as the aggregate.


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Fly ash is composed of microscopic spheres containing largely silica, iron, aluminum, and calcium; the biggest current construction-related use of fly ash is to replace portland cement, which binds the sand and gravel in concrete.
UK-based environmental technology firm Dirk India Private Limited organised the event to promote the use of fly ash in the production of cement.
Dirk India harnesses fly ash Au a byproduct of coal-fired power stations in Nashik and Ratnagiri, Maharashtra Au to make a concrete mix of extra strength.
 
 
 
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