Direct reduction of pellets through hydrogen: Experimental and model behaviour - Publikacja - MOST Wiedzy

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Direct reduction of pellets through hydrogen: Experimental and model behaviour

Abstrakt

This paper presents the hydrogen reduction behaviour of industrial pellets designed for the efficient hydrogen based direct reduction. The pellets were provided with very low non ferrous oxides percentage (0.52 of basicity index) and with the absence on TiO2 oxides. The pellets measured diameters in the range 1.14–1.72 cm and were characterized in terms of porosity, pores size, tortuosity and compression strength. The pellets were reduced in hydrogen atmosphere in a laboratory shaft furnace in the temperature ranges of 600–1200 ◦C at the pressures of 1 and 5 bar. The pellets’ reduction behaviour was analysed in terms of time to reduction, rate of reduction and kinetics constant. All the obtained results were analysed through the employment of a commercial multiobjective optimization tool (modeFrontier) in order to precisely define the effect of each single parameter on the pellets’ reduction. It was also defined the effect of the ongoing reduction rate of the final metallization of the starting iron oxides.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY nr 49, strony 1444 - 1460,
ISSN: 0360-3199
Język:
angielski
Rok wydania:
2024
Opis bibliograficzny:
Cavaliere P., Perrone A., Dijon L., Laska A., Koszelow D.: Direct reduction of pellets through hydrogen: Experimental and model behaviour// INTERNATIONAL JOURNAL OF HYDROGEN ENERGY -Vol. 49,iss. Part C (2024), s.1444-1460
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.ijhydene.2023.11.040
Źródła finansowania:
  • COST_FREE
Weryfikacja:
Politechnika Gdańska

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