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Reduction Behaviour of Electric Arc Furnace Dust (EAFD)-Coal Composite Pellet in a Muffle Furnace
This investigation reports the effect of various operating parameters like amount of carbon, holding time, and heating rate on the nugget formation of EAFD (electric arc furnace dust)-coal composite pellets in muffle furnace at 1200 °C, the lowest Temperature reported. At moderate pellet heating rate (furnace heating rate at 25 °C/min), a unique coconut shell-iron nugget formed, with slag at the shell, DRI at the center, and iron nugget in the annular space, the thickness of which increased with the holding time. At a much higher heating rate under flash heating, nugget formation could not be achieved as the pellet exploded under internal gas pressure. XRD and SEM/EDS analysis characterized the obtained nuggets and slag and Factsage 6.4 was used to calculate thermodynamics stable phases.
Reduction Behaviour of Electric Arc Furnace Dust (EAFD)-Coal Composite Pellet in a Muffle Furnace
This investigation reports the effect of various operating parameters like amount of carbon, holding time, and heating rate on the nugget formation of EAFD (electric arc furnace dust)-coal composite pellets in muffle furnace at 1200 °C, the lowest Temperature reported. At moderate pellet heating rate (furnace heating rate at 25 °C/min), a unique coconut shell-iron nugget formed, with slag at the shell, DRI at the center, and iron nugget in the annular space, the thickness of which increased with the holding time. At a much higher heating rate under flash heating, nugget formation could not be achieved as the pellet exploded under internal gas pressure. XRD and SEM/EDS analysis characterized the obtained nuggets and slag and Factsage 6.4 was used to calculate thermodynamics stable phases.
Reduction Behaviour of Electric Arc Furnace Dust (EAFD)-Coal Composite Pellet in a Muffle Furnace
J. Inst. Eng. India Ser. D
Kumar, Banty (author) / Roy, Gour Gopal (author)
Journal of The Institution of Engineers (India): Series D ; 105 ; 439-447
2024-04-01
9 pages
Article (Journal)
Electronic Resource
English
Reduction Behaviour of Electric Arc Furnace Dust (EAFD)-Coal Composite Pellet in a Muffle Furnace
| Springer Verlag | 2024
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