Journal
CATALYSIS LETTERS
Volume 110, Issue 3-4, Pages 269-274Publisher
SPRINGER
DOI: 10.1007/s10562-006-0120-0
Keywords
brownmillerite; calcium ferrites; superoxide
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Several types of calcium ferrite base catalysts (Ca/Fe = 0.33-3) for propylene (C3H6) combustion were prepared. Calcium ferrite catalyst with brownmillerite crystal structure provided catalytic activity for C3H6 combustion in the temperature range of 250-450 degrees C. The brownmillerite phase (Ca2Fe2O5) was responsible for the formation of oxygen adspecies (O-2-) in the surface layer below 450 degrees C.
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