A thermodynamic study of SrO + Fe_xO and BaO + Fe_xO liquid slags by disposable electrochemical oxygen probes

Abstract

An electrochemical technique involving magnesia‐stabilized zirconia as the solid electrolyte and a mixture of Mo + MoO2 as the reference electrode for the measurements of the activities of FexO in the SrO + FexO and BaO + FexO systems at 1673 K. Measurement of oxygen potentials established at the slag electrode by disposable solid state cells. Expression of the thermodynamic properties of SrO + FexO and BaO + FexO by the binary subregular model.

A manganese distribution prediction model for CaO–SiO2–FeO–MgO–MnO–Al2O3slags based on IMCT

“…or where is the activity of [Fe] in molten steel as 1. Although various methods or empirical formulas 46–55 can be used to calculate in slags, the calculated by IMCT model is used to substitute in this study.…”

Modelling of liquid phases and metal distributions in copper converters: transferring process fundamentals to plant practice

“…The equilibrium partial pressures of oxygen for slags saturated with iron were measured by (Ban-Ya et al 1980;Takeda et al 1980) and (Iwase et al 1984).…”

New Methods for In‐Situ Determination of Iron Oxide in Steelmaking Slags

“…(2) plained by assuming partial electronic conduction. That is the electrical conductivity is composed of a part due to ionic transport which can be taken to be linear, equation (2), and a part due to electron transport which is parabolic,…”

“…Consequently, the indirect determination of iron oxide content via metal analysis is not sufficiently accurate, or may even be rather wrong. The direct in-situ measurement of iron-oxide content and of Fe 3+/Fe2+ ratio with EMF probes is possible [1][2][3][4][5][6]. The oxygen potential has to be fixed, if the oxide content is to be determined, by the presence of metallic iron which can be performed in various ways.…”