Abstract:The productivity of basic-oxygen-furnace (BOF) smelting process is directly affected by the slag-forming speed during the initial stage of converter. Therefore, it is essential to study the effect of different Cr2O3 content on the physicochemical properties of the primary slag in the smelting process of chromium-bearing semi-steel. In this work, Factsage8.1 software, X-ray diffraction (XRD), scanning electron microscope (SEM), energy dispersive spectroscopy (EDS) and a high-temperature melting point tester wer… Show more
“…9 Fe in the real vanadium slag has valence states of +2 and +3, while V and Ti have valence states of +3 and +4, respectively. 25,26 The three results are consistent, indicating that the valence states of the elements in the separated V-spinel are the same as that of the real vanadium slag.6FeO + O 2 → 2Fe 3 O 4 4FeO + O 2 → 2Fe 2 O 3 2V 2 O 3 + O 2 → 4VO 2 V 2 O 3 + O 2 → V 2 O 5 …”
Vanadium (V) is often transferred into vanadium slag from the smelting of vanadium titano-magnetite ore and the basic data for crystallization behavior and crystal structure of V-spinel are lacking, which...
“…9 Fe in the real vanadium slag has valence states of +2 and +3, while V and Ti have valence states of +3 and +4, respectively. 25,26 The three results are consistent, indicating that the valence states of the elements in the separated V-spinel are the same as that of the real vanadium slag.6FeO + O 2 → 2Fe 3 O 4 4FeO + O 2 → 2Fe 2 O 3 2V 2 O 3 + O 2 → 4VO 2 V 2 O 3 + O 2 → V 2 O 5 …”
Vanadium (V) is often transferred into vanadium slag from the smelting of vanadium titano-magnetite ore and the basic data for crystallization behavior and crystal structure of V-spinel are lacking, which...
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