DESULFURIZING AGENT, METHOD FOR DESULFURIZING MOLTEN IRON AND METHOD FOR PRODUCING MOLTEN IRON

To provide a method for desulfurizing hot metal and a method for producing hot metal, which have excellent desulfurization efficiency and are capable of reducing the cost necessary for desulfurization treatment. A desulfurization flux used for hot metal desulfurization comprising quicklime in which...

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Bibliographische Detailangaben
Hauptverfasser:	MASAKI Hideya, ICHIKAWA Akira, IDO Hiroharu, NAKAI Yoshie, MIKI Yuji, KIKUCHI Naoki
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CHEMISTRY DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE FURNACES HEATING KILNS LIGHTING MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON OVENS PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL RETORTS TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS WEAPONS
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Beschreibung
Zusammenfassung:	To provide a method for desulfurizing hot metal and a method for producing hot metal, which have excellent desulfurization efficiency and are capable of reducing the cost necessary for desulfurization treatment. A desulfurization flux used for hot metal desulfurization comprising quicklime in which a total pore volume defined as a sum of volumes of pores having a pore diameter of from 0.5 µm to 10 µm is 0.1 mL/g or more.