TY - JOUR
T1 - Thermodynamic behavior of carbon in molten slags
AU - Park, Joo Hyun
AU - Min, Dong Joon
N1 - Copyright:
Copyright 2020 Elsevier B.V., All rights reserved.
PY - 2000
Y1 - 2000
N2 - The solubility of carbon in the MO-B2O3 (MO = CaO, BaO, and Na2O) and CaO-RO (RO = SiO2 and Al2O3) slags at high temperatures was measured to understand the thermodynamic behavior of carbon in molten slags. The solubility of carbon as a function of the composition of slags shows a minimum value, indicating that carbon dissolves by different mechanisms in the acidic and basic slags, respectively. The infrared spectra measurements indicate that the B-C bond is about 1150 and 1140 cm-1 in the acidic region of the CaO-B2O3 and Na2O-B2O3 slags; hence, the incorporation of carbon into the borate network is confirmed qualitatively. The dissolution of carbon and nitrogen into the slags shows a similar behavior in the B2O3-bearing slags, while the different behavior is shown in the CaO-SiO2 and CaO-Al2O3 slags, based on the relationship between carbide capacity and nitride capacity.
AB - The solubility of carbon in the MO-B2O3 (MO = CaO, BaO, and Na2O) and CaO-RO (RO = SiO2 and Al2O3) slags at high temperatures was measured to understand the thermodynamic behavior of carbon in molten slags. The solubility of carbon as a function of the composition of slags shows a minimum value, indicating that carbon dissolves by different mechanisms in the acidic and basic slags, respectively. The infrared spectra measurements indicate that the B-C bond is about 1150 and 1140 cm-1 in the acidic region of the CaO-B2O3 and Na2O-B2O3 slags; hence, the incorporation of carbon into the borate network is confirmed qualitatively. The dissolution of carbon and nitrogen into the slags shows a similar behavior in the B2O3-bearing slags, while the different behavior is shown in the CaO-SiO2 and CaO-Al2O3 slags, based on the relationship between carbide capacity and nitride capacity.
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U2 - 10.2355/isijinternational.40.suppl_s96
DO - 10.2355/isijinternational.40.suppl_s96
M3 - Article
AN - SCOPUS:1942459573
VL - 40
SP - S96-S100
JO - Transactions of the Iron and Steel Institute of Japan
JF - Transactions of the Iron and Steel Institute of Japan
SN - 0915-1559
IS - SUPPL.
ER -