fly ash
noun Date: 1931 fine solid particles of ashes, dust, and soot carried out from burning fuel (as coal or oil) by the draft

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • fly ash — fly′ ash n. ene fine particles of ash carried out of the flue of a furnace with the waste gases produced during combustion • Etymology: 1930–35 …   From formal English to slang

  • fly ash — n. airborne bits of unburnable ash, esp. as a factor in air pollution …   English World dictionary

  • Fly ash — Photomicrograph made with a Scanning Electron Microscope (SEM): Fly ash particles at 2,000x magnification Fly ash is one of the residues generated in combustion, and comprises the fine particles that rise with the flue gases. Ash which does not… …   Wikipedia

  • fly ash — noun fine solid particles of ash that are carried into the air when fuel is combusted • Hypernyms: ↑ash * * * noun : fine solid particles of noncombustible ash with or without accompanying combustible particles carried out of a bed of solid fuel… …   Useful english dictionary

  • fly ash — lakieji pelenai statusas T sritis ekologija ir aplinkotyra apibrėžtis Iš kūryklos išnešami kietojo kuro degimo pelenai, teršiantys katilo šildomuosius paviršius ir atmosferą. atitikmenys: angl. fly ash vok. Flugasche, f rus. зола летучая, f …   Ekologijos terminų aiškinamasis žodynas

  • fly ash — lakieji pelenai statusas T sritis Energetika apibrėžtis Iš kūryklos išnešami kietojo kuro degimo pelenai. Lakieji pelenai teršia katilo šildomuosius paviršius ir atmosferą. atitikmenys: angl. fly ash vok. Flugasche, f rus. летучая зола, f pranc.… …   Aiškinamasis šiluminės ir branduolinės technikos terminų žodynas

  • fly ash — 1. fine particles of ash of a solid fuel carried out of the flue of a furnace with the waste gases produced during combustion. 2. such ash recovered from the waste gases, used chiefly as a reinforcing agent in the manufacture of bricks, concrete …   Universalium

  • Fly ash —   Particulate matter mainly from coal ash in which the particle diameter is less than 1 x 104 meter. This ash is removed from the flue gas using flue gas particulate collectors such as fabric filters and electrostatic precipitators.   U.S. Dept.… …   Energy terms

  • fly-ash — /ˈflaɪ æʃ/ (say fluy ash) noun the fine ash produced from burning pulverised coal, found to have cement like qualities in concrete and also sometimes used in brick making …   Australian English dictionary

  • fly ash — noun ash produced in small dark flecks and carried into the air …   English new terms dictionary

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