2014
DOI: 10.2355/isijinternational.54.2248
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Desulfurization of CaO–Al2O3–SiO2–TiO2 Slag System

Abstract: The desulfurization ability of CaO-Al2O3-SiO2-TiO2 slag at 1 873 K was studied through the slag-metal desulfurization experiment by using a 10 kg inductive furnace and through theoretical calculation by using thermodynamic software FactSage. The experimental index considered were the sulfur distribution coefficient of the slag (LS) and the desulphurization ratio (ηS). The effect factors were binary basicity, the mass percentage of Al2O3 and TiO2. Research results are as follows. The effect of binary basicity i… Show more

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Cited by 7 publications
(4 citation statements)
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“…Chen et al optimized operating conditions for iron ore sintering with the orthogonal array tests. In addition, the orthogonal experimental design has been used to research desulfurization of CaO–Al 2 O 3 –SiO 2 –TiO 2 slag system, and the optimal combination of experimental condition with the best desulfurization ability of the slag can be derived . The optimized experimental design is found representatively, and all levels of each parameter have the same opportunities to appear in the experiments.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…Chen et al optimized operating conditions for iron ore sintering with the orthogonal array tests. In addition, the orthogonal experimental design has been used to research desulfurization of CaO–Al 2 O 3 –SiO 2 –TiO 2 slag system, and the optimal combination of experimental condition with the best desulfurization ability of the slag can be derived . The optimized experimental design is found representatively, and all levels of each parameter have the same opportunities to appear in the experiments.…”
Section: Introductionmentioning
confidence: 99%
“…In addition, the orthogonal experimental design has been used to research desulfurization of CaO-Al 2 O 3 -SiO 2 -TiO 2 slag system, and the optimal combination of experimental condition with the best desulfurization ability of the slag can be derived. [6,7] The optimized experimental design is found representatively, and all levels of each parameter have the same opportunities to appear in the experiments. It can best guarantee to eliminate the interference between the various parameters.…”
Section: Introductionmentioning
confidence: 99%
“…Diante dos motivos citados, há uma tendência de diminuição do uso do CaF 2 na indústria siderúrgica e sua substituição por outros materiais menos nocivos ao meio ambiente. Diversos estudos têm sido conduzidos considerando a eliminação de CaF 2 [7,8] ou utilizando diferentes compostos (barrilha, sodalita, carbureto de cálcio, óxido de titânio, óxido de sódio) para este propósito [6][7][8][9][10][11][12]. Uma alternativa que tem se mostrado promissora é a utilização do óxido de boro, B 2 O 3 , como agente fluxante de escórias sintéticas.…”
Section: Introductionunclassified
“…Estes gases são agressivos ao meio ambiente, e até o momento não existe um substituto a nível industrial para ser aplicado. Diversos componentes foram testados em pesquisas [5][6][7][8][9], alguns deles são aplicados na composição das escórias (barrilha, sodalita, carbureto de cálcio, óxido de titânio). Um composto que vem sendo estudado é óxido de boro.…”
Section: Introductionunclassified