Solubility of α ‐ Fe2 O 3 in Fused Na2 SO 4 at 1200 K
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The solubilities and dissolution mechanisms of metal oxides in molten Na2SO4 depend on the value of -log(aNa2O).
“As discussed below, the solubilities and dissolution mechanisms of metal oxides in molten Na2SO4 are dependent on the value of -log(aNa2O).”
From A review on molten sulfate salts induced hot corrosion (2021) · cites this paper as [67]
The dissolution of metal oxides in molten Na2SO4 is closely related to melt basicity.
“The reaction involving the dissolution of metal oxides is closed related to the melt basicity.”
From A review on molten sulfate salts induced hot corrosion (2021) · cites this paper as [67]
Dissolution of metal oxides in molten Na2SO4 is divided into basic dissolution at log(aNa2O) values above the solubility minimum and acid dissolution at values below the solubility minimum.
“The dissolution is divided into two categories based on the melt basicity. Basic dissolution (Eq. (5, 7-10)) occurs at log(aNa2O) values above the basicity value for the solubility minimum of the metal oxide and acid dissolution Eq. (6, 11-14)) refers to the solubility reaction at basicity values below the solubility minimum [67-69].”
From A review on molten sulfate salts induced hot corrosion (2021) · cites this paper as [67]
Once the protective oxide layer contacts the fused salt, dissolution of various oxides such as NiO, Co3O4, Fe2O3, Fe3O4 and Cr2O3 takes place.
“Once the protective oxide layer comes into contact with the fused salt, the dissolution of various oxides, e.g., NiO, Co3O4, Fe2O3, Fe3O4 and Cr2O3, takes place.”
From A review on molten sulfate salts induced hot corrosion (2021) · cites this paper as [67]
The base metals Fe, Ni, Co, and Cr are not stable when in contact with fused sulfate salts, so electrochemical reactions take place to achieve chemical equilibrium.
“Since the base metal, e.g., Fe, Ni, Co, Cr, is not stable when it is in contact with the fused sulfate salts [67, 69, 82], electrochemical reactions take place to achieve the chemical equilibrium.”
From A review on molten sulfate salts induced hot corrosion (2021) · cites this paper as [67]
Cited by
Sorted by citations
A review on molten sulfate salts induced hot corrosion
Hu, S., Finklea, H., & Liu, X. (2021) · Journal of Materials Science & Technology · doi:10.1016/j.jmst.2021.03.013 · Cited by 183 · see citing works
Chemistry and electrochemistry of hot corrosion of metals
Rapp, R. A. (1987) · Materials Science and Engineering · doi:10.1016/0025-5416(87)90394-6 · Cited by 155 · see citing works
Self-citation
- Authors
- Zhang, Y. S., & Rapp, R. A.
- Affiliations
- The Ohio State University (US)
- ORCID
- Zhang, Y. S.
- Venue
- Journal of The Electrochemical Society
- Publisher
- The Electrochemical Society
- Published
- 1985-03-01
- Volume
- 132
- Issue
- 3
- Pages
- 734-735
- ISSN
- 0013-4651 (ISSN-L)
- 1945-7111
- OpenAlex
- W2270392971
- Cited by
- 52
- References
- 0
- Citations by year
- 2025: 1 · 2023: 1 · 2022: 1 · 2021: 1 · 2019: 2 · 2018: 1 · 2016: 3 · 2015: 3 · 2014: 1 · 2013: 1
- FWCI
- 3.33
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Licence
- Locations
- Journal of The Electrochemical Society (publishedVersion)
- Funders
- National Science Foundation
- Division of Materials Research
- Topics
- Physical Sciences › Chemical Engineering › Fluid Flow and Transfer Processes › Molten salt chemistry and electrochemical processes
- Physical Sciences › Engineering › Mechanical Engineering › Metallurgical Processes and Thermodynamics
- Physical Sciences › Chemical Engineering › Filtration and Separation › Chemical and Physical Properties in Aqueous Solutions
- Keywords
- hematite, solubility, molten salts, high temperature, iron oxide dissolution
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