Journal
METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE
Volume 43, Issue 3, Pages 440-442Publisher
SPRINGER
DOI: 10.1007/s11663-012-9649-z
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Funding
- Korea Evaluation Institute of Industrial Technology (KEIT) [2010501010002A] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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The solubility of indium was measured in the low-silica region (< 20 mass pct SiO2) of the CaO-Al2O3-SiO2 system by a thermochemical equilibration technique. The dissolution mechanism of indium into the CaO-Al2O3-SiO2 slag at 1773 K (1500 A degrees C) under a reducing atmosphere was elucidated. The indium solubility increases in the calcium silicate-based flux and decreases in the calcium aluminate-based flux with increasing oxygen partial pressure. Also, the solubility was found to decrease initially with increasing slag basicity until the basicity reached a critical level after which the solubility increases. This behavior is believed to indicate that the indium dissolution mechanism changes according to the basicity of the slag.
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