REFINING AGENT AND REFINING METHOD

A refining agent which comprises Al, MgO and CaO as main components and contains dolomite as a source of MgO and CaO, and, when fed into a molten iron, forms Mg vapor by reactions in the molten iron. The Mg vapor causes refining reactions. La présente invention concerne un agent d'affinage comp...

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Main Authors TAKAHASHI, KENJI, NAKAI, YOSHIE, SHIMIZU, HIROSHI, OKAMURA, TATSUYA, MATSUNO, HIDETOSHI, MURAI, TAKESHI, KAWASHIMA, TAKESHI, ISAWA, TOMOO, KIKUCHI, YOSHITERU, NIMURA, YOICHI
Format Patent
LanguageEnglish
French
Japanese
Published 21.03.2002
Edition7
Subjects
CHEMISTRY
MANUFACTURE OF IRON OR STEEL
METALLURGY
METALLURGY OF IRON
PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL
TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
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Summary:A refining agent which comprises Al, MgO and CaO as main components and contains dolomite as a source of MgO and CaO, and, when fed into a molten iron, forms Mg vapor by reactions in the molten iron. The Mg vapor causes refining reactions. La présente invention concerne un agent d'affinage comportant Al, MgO et CaO en tant que principaux constituants et contient de la dolomite en tant que source de MgO et CaO, et lors de son alimentation dans du fer en fusion, il forme de la vapeur de Mg par des réactions dans le fer en fusion. La vapeur de Mg provoque des réactions d'affinage.
Bibliography:Application Number: WO2001JP08011