Activities of Fe  x  O in complex slags used during the final stages of external dephosphorization of hot metal | Zendy

Iwase Masanori | Zendy; Yamada Noriaki | Zendy; Akizuki Hiroshi | Zendy; Ichise Eiji | Zendy

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Activities of Fe x O in complex slags used during the final stages of external dephosphorization of hot metal

Author(s) -

Iwase Masanori,

Yamada Noriaki,

Akizuki Hiroshi,

Ichise Eiji

Publication year - 1984

Publication title -

archiv für das eisenhüttenwesen

Language(s) - English

Resource type - Journals

eISSN - 1869-344X

pISSN - 0003-8962

DOI - 10.1002/srin.198405377

Subject(s) - chemistry , metal , thermodynamics , physics , organic chemistry

Measurements of the activities of Fe x O in complex slags during the final stages of external dephosphorization by using a disposable electrochemical oxygen probe. Positive deviations of the Fe x O activities from the Raoult law. Iso‐activity curves drawn on the “ternary” diagram, (CaO + MgO + MnO + CaF 2 ) + Fe x O + (SiO 2 + P 2 O 5 ) at 1673 K. Calculations of the activities of P 2 O 5 in complex slags with an assumption of thermodynamic equilibrium between slags and hot metal. Beneficial effect of CaF 2 in the slags with respect to lowering of the P 2 O 5 activity.

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