2015
DOI: 10.4322/2176-1523.0793
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Uso Do Resíduo De Mármore E Aluminato De Cálcio Em Escórias Sintéticas Dessulfurantes De Aço

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“…However, the use of fluorspar takes a serious environmental problem. The steelmaking companies have been looked for new materials to replace fluorspar, such as CaO-Al 2 O 3 slag system (Shimizu et al, 2001;Pretorius, 2002;Coleti et al, 2015). Besides, the companies have also financed studies to use wastes instead the inputs mentioned previously.…”
Section: Introductionmentioning
confidence: 99%
“…However, the use of fluorspar takes a serious environmental problem. The steelmaking companies have been looked for new materials to replace fluorspar, such as CaO-Al 2 O 3 slag system (Shimizu et al, 2001;Pretorius, 2002;Coleti et al, 2015). Besides, the companies have also financed studies to use wastes instead the inputs mentioned previously.…”
Section: Introductionmentioning
confidence: 99%
“…Além disso, possuem teores de sílica (SiO2) acima de 20%, o que prejudica o seu uso em escórias dessulfurantes. Deste modo, as escórias do sistema CaO-Al2O3 tê m sido apontadas como alternativa, uma vez que, possuem pontos de fusão próximos aos das misturas que contém fluorita (6,7,8) .…”
Section: Introductionunclassified