CaO-SiO2-Al2O3 슬래그에서의 Ca 및 Al의 용해도에 관한 열역학적 연구
Thermodynamic study on CaO-SiO2-Al2O3 slag system was carried out to understand the refining ability of Ca and Al in ferrosilicon. The effect of slag composition and oxygen partial pressure on refining ability of slag was also thermodynamically evaluated. Experimental results indicated that equilibr...
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| Published in | 대한금속·재료학회지, 53(5) Vol. 53; no. 5; pp. 352 - 358 |
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| Main Authors | , , , , , , , |
| Format | Journal Article |
| Language | Korean |
| Published |
대한금속재료학회
31.05.2015
대한금속·재료학회 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1738-8228 2288-8241 |
| DOI | 10.3365/KJMM.2015.53.5.352 |
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| Abstract | Thermodynamic study on CaO-SiO2-Al2O3 slag system was carried out to understand the refining ability of Ca and Al in ferrosilicon. The effect of slag composition and oxygen partial pressure on refining ability of slag was also thermodynamically evaluated. Experimental results indicated that equilibrium concentrations of Ca and Al are both decreased with increasing SiO2 activity of slag and oxygen partial pressure. Also, the effect of activity coefficients of Ca and Al in molten alloy was not significant, while activities of each component in slag were important determining factors. Refining ability of Ca and Al of CaO-SiO2-Al2O3 slag from ferrosilicon is possibly increased by controlling interfacial oxygen partial pressure and activities of components of slags. |
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| AbstractList | Thermodynamic study on CaO-SiO2-Al2O3 slag system was carried out to understand the refining ability of Ca and Al in ferrosilicon. The effect of slag composition and oxygen partial pressure on refining ability of slag was also thermodynamically evaluated. Experimental results indicated that equilibrium concentrations of Ca and Al are both decreased with increasing SiO2 activity of slag and oxygen partial pressure. Also, the effect of activity coefficients of Ca and Al in molten alloy was not significant, while activities of each component in slag were important determining factors. Refining ability of Ca and Al of CaO-SiO2-Al2O3 slag from ferrosilicon is possibly increased by controlling interfacial oxygen partial pressure and activities of components of slags. KCI Citation Count: 2 Thermodynamic study on CaO-SiO2-Al2O3 slag system was carried out to understand the refining ability of Ca and Al in ferrosilicon. The effect of slag composition and oxygen partial pressure on refining ability of slag was also thermodynamically evaluated. Experimental results indicated that equilibrium concentrations of Ca and Al are both decreased with increasing SiO2 activity of slag and oxygen partial pressure. Also, the effect of activity coefficients of Ca and Al in molten alloy was not significant, while activities of each component in slag were important determining factors. Refining ability of Ca and Al of CaO-SiO2-Al2O3 slag from ferrosilicon is possibly increased by controlling interfacial oxygen partial pressure and activities of components of slags. |
| Author | 정은진 Sang Hoon Lee Dong Jun Min 김완호 Eun Jin Jung Wan Ho Kim 민동준 이상훈 |
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| DocumentTitleAlternate | CaO-SiO2-Al2O3 슬래그에서의 Ca 및 Al의 용해도에 관한 열역학적 연구 Thermodynamic Study on the Solubility of Ca and Al in CaO-SiO2-Al2O3 Slag System |
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| SubjectTerms | ferrosilicon metals purification thermodynamics properties 재료공학 |
| Title | CaO-SiO2-Al2O3 슬래그에서의 Ca 및 Al의 용해도에 관한 열역학적 연구 |
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