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Influence of Converter Slag on Decomposition Behavior of Limestone During BOF Steelmaking Process

Hua Lu, Chenxiao Li

2013enconverter slagBOFdecompositionlimestonesteelmaking

Abstract

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Directly charging limestone into slag in BOF is a newly emerging technique which breaks through the traditional BOF slagging principle. It is necessary to study the decomposition behavior of limestone in converter slag during BOF steelmaking. FeO x, SiO 2, MnO x and pre-melting slags were mixed with limestone according to different quality proportions to simulate the environment of limestone in converter slag. TG-DTA results indicated that slag with individual components, including FeO x, SiO 2 and MnO x, all had obvious effects on reducing the decomposition temperature of limestone. Pre-melting slags with multiple components had further reducing effects than individual components. XRD results showed that converter slag components would react with the decomposition product of CaCO 3 and generate solid solutions or oxides, reducing the activity of CaO and the decomposition temperature of CaCO 3.

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Cite This Work

@article{a06651c9-c131-4490-ae7c-c11efeeb78c5,
  title={Influence of Converter Slag on Decomposition Behavior of Limestone During BOF Steelmaking Process},
  author={Hua Lu and Chenxiao Li},
  year={2013},
  language={en}
}
TY  - JOUR
TI  - Influence of Converter Slag on Decomposition Behavior of Limestone During BOF Steelmaking Process
AU  - Hua Lu
AU  - Chenxiao Li
PY  - 2013
LA  - en
ER  -

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