2016-Sustainable Industrial Processing Summit
SIPS 2016 Volume 1: D'Abreu Intl. Symp. / Iron and Steel Making

Editors:Kongoli F, Noldin JH, Takano C, Lins F, Gomez Marroquin MC, Contrucci M
Publisher:Flogen Star OUTREACH
Publication Year:2016
Pages:320 pages
ISSN:2291-1227 (Metals and Materials Processing in a Clean Environment Series)
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    Iron Carburization Rate by Carbon in Slags through Carbon/Slag and Slag/Metal Reactions

    Hideki Ono1; Kenji Tanizawa2; Tateo Usui3;
    Type of Paper: Plenary
    Id Paper: 172
    Topic: 2


    The carbide capacity of CaO–SiO2–Al2O3 slags and the iron carburization rate through consecutive phases of carbon, slag, and metal are measured at 1723 K. The carbide capacity of high-basicity slag is higher than that of simulated blast-furnace (BF) slag. The iron carburization rate through CaO–SiO2–Al2O3 slags is much smaller than the rate of direct carburization or that through slags including iron oxide. It is found that the carburization rate of iron through slags increases as slag basicity increases. The apparent rate constant of the carburization reaction, k [mol/(m2 s)], is derived as follows: k = 2.71 × 10−5 for the simulated BF slag and k = 8.00 × 10−5 for the high-basicity slag. The rate increases with increasing slag basicity, increasing carbide capacity and decreasing oxygen partial pressure.


    Blast; CO2; Carbon; Emissions; Ferrous; Furnace; Iron; Measurement; Metallurgy; Slag;


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    Ono H, Tanizawa K, Usui T. Iron Carburization Rate by Carbon in Slags through Carbon/Slag and Slag/Metal Reactions. In: Kongoli F, Noldin JH, Takano C, Lins F, Gomez Marroquin MC, Contrucci M, editors. Sustainable Industrial Processing Summit SIPS 2016 Volume 1: D'Abreu Intl. Symp. / Iron and Steel Making. Volume 1. Montreal(Canada): FLOGEN Star Outreach. 2016. p. 161-172.