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Reactivity of brazilian coal, charcoal, imported coal and blends aiming to their injection into blast furnaces

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Reactivity of brazilian coal, charcoal, imported coal and blends aiming to their injection into blast furnaces

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Título Reactivity of brazilian coal, charcoal, imported coal and blends aiming to their injection into blast furnaces
Autor Machado, Janaína Gonçalves Maria da Silva
Osorio, Eduardo
Vilela, Antonio Cezar Faria
Resumo For about 10 years the steel industry in Brazil has used pulverized coal injection (PCI) technology in the blast furnaces based on imported coals. In order to decrease the dependence on imported coals, Brazilian coal, which has limited use due to high ash content, was suggested to be mixed with imported coal and charcoal. The aim was to examine the reactivity of the samples. The charcoal use in the steel industry contributes to the CO2 emission reduction, since it represents a renewable source of energy. The reactivity of the coals, charcoal and mixtures was evaluated through simultaneous thermal analyses. Results of this study are presented and discussed.
Contido em Materials research : ibero-american journal of materials. Vol. 13, n. 3, (sep. 2010), p. 287-292
Assunto Carvão : Alto-forno
Reatividade : Carvão : Alto-forno : Tecnologia
[en] Brazilian coal
[en] Charcoal
[en] Reactivity
[en] Thermogravimetric analysis
Origem Nacional
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/34292
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