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Journal of Mining and Metallurgy B: Metallurgy
2018, vol. 54, br. 1, str. 9-20
jezik rada: engleski
vrsta rada: neklasifikovan
doi:10.2298/JMMB160923010M

Creative Commons License 4.0
Mineralne faze u sinteru gvozdene rude proizvedene uz supstitucijsko gorivo od hrastove piljevine
Technical University of Košice, Faculty of Materials, Metallurgy and Recycling, Institute of Metallurgy, Košice, Slovakia

e-adresa: roland.mezibricky@tuke.sk

Projekat

Project by Slovak Research and Development Agency (APVV), Slovak Republic, No. APVV-0405-11 and VEGA 1/0847/16

Sažetak

U ovom radu se ocenjuje efekat koji hrastova piljevina, jeftino supstitucijsko gorivo, ima na kvalitet sintera što se tiče njegovog faznog sastava. Uzorci sintera pripremljeni sa 5, 9, i 13% vezanog ugljenika iz hrastove piljevine koji zamenjuje ekvivalentni sadržaj vezanog ugljenika iz koksa, analizirani su svetlosnom mikroskopijom, SEM-EDS i XRD analizom praha. Mikrostruktura sintera na mestima sa ostacima goriva sastojala se od dobro integrisanih sekundarnih mineralnih faza koje su potvrdile dobre uslove za sinterovanje. Fazna analiza je pokazala da preovlađuje SFCA modifikacija u odnosu na SFCA-I, kao i trend povećanja udela magnetita i do 8% sa povećanim stepenom supstitucije goriva. Može se zaključiti da je sinter napravljen parcijalnom zamenom goriva sličan sinteru napravljenom samo sa koksom kao gorivom, te da je stoga kvalitativno zadovoljavajuć za procese u visokim pećima.

Ključne reči

Biomasa; Hrastova piljevina; Mineralne faze; SFCA; Sinter gvozdene rude

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