Dissolution Behaviors of FeO-MgO Solid Solutions in Molten Slag
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- HUANG Fuxiang
- School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing
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- MARUOKA Nobuhiro
- 東北大学多元物質科学研究所
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- KITAMURA Shin-ya
- 東北大学多元物質科学研究所
Bibliographic Information
- Other Title
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- FeO-MnO固溶体のスラグへの溶解挙動
Abstract
Studying the dissolution mechanism of MgO in steelmaking slag is vital to reduce refractory damage in basic oxygen furnaces. In many cases, a FeO-MgO layer is formed at the interface between MgO and steelmaking slag. In this research, the dissolution rates of the FeO-MgO solid solution in molten slag were investigated by changing the composition of solid solution and slag. The following results were obtained. (1)the FeO-MgO solid solution was not stable and dissolved into slag. The dissolution rate increased with increasing FeO content in the slag, and decreased with increasing MgO content in the slag. (2)In every case, the FeO content of the solid solution near the interface of slag was higher than that in bulk. (3)A clear relation was found between FeO content in the solid solution near the interface and the dissolution rate. The FeO content in the solid solution near the interface can be considered an important factor that controls the dissolution rate. (4)A fairly good relationship was found between the FeO activity difference between the solid solution near the interface and slag bulk and the differences in FeO content between the solid solution near the interface and slag bulk.
Journal
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- Taikabutsu
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Taikabutsu 68 (4), 165-175, 2016-04-01
The Technical Association of Refractoreies,Japan
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Details 詳細情報について
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- CRID
- 1390018518956395904
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- ISSN
- 27593835
- 00398993
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- Text Lang
- ja
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- Data Source
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- JaLC
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- Abstract License Flag
- Disallowed