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- Title
EFFECT OF IRON OXIDE CONTENT ON DEPHOSPHORIZATION BEHAVIOR OF SLAG GASIFICATION.
- Authors
WANG, S. H.; SUN, H. K.; TONG, S.; LI, C. X.; XUE, Y. K.; ZHANG, Y.
- Abstract
The coke reduction gasification dephosphorization experiments were conducted on converter slag with FeO contents of 15 %, 20 %, 30 % and 35 %, respectively. Thermodynamic calculations, Scanning Electron Eicroscope(SEM) and Energy Dispersive Spectrometer (EDS) showed that the actual reduction Gibbs free energy of P2O5 was less than that of FeO for the coke reduction converter slag product of P2, and the reactive driving force of P2O5 was greater under high FeO conditions. With the increase of FeO content, the gasification dephosphorization rate showed a trend of increasing first and then decreasing. After gasification dephosphorization, the presence of the Fe phase will adsorb more P elements, so the high FeO content is beneficial to increase the P2O5 activity, which is conducive to the gasification dephosphorization reaction.
- Subjects
CHAR; IRON oxides; SLAG; GIBBS' free energy; COKE (Coal product); FERRIC oxide
- Publication
Metalurgija, 2022, Vol 61, Issue 3/4, p595
- ISSN
0543-5846
- Publication type
Article