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Application filed by Jfe Steel CorpfiledCriticalJfe Steel Corp
Publication of BR112015008688A2publicationCriticalpatent/BR112015008688A2/pt
C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
C21C1/00—Refining of pig-iron; Cast iron
C21C1/02—Dephosphorising or desulfurising
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Chemical & Material Sciences
(AREA)
Engineering & Computer Science
(AREA)
Materials Engineering
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Metallurgy
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Organic Chemistry
(AREA)
Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces
(AREA)
BR112015008688A2015-03-122015-03-12método de tratamento de dessulfuração de metal quente e aparelho para tratamento de dessulfuração de metal quente
BR112015008688A2
(pt)
Hidrogel que comprende acido hialuronico modificado mediante reaccion con divinilsulfona, y un agente de entrecruzamiento tiol; metodo de preparacion; composicion que lo contiene; su uso. ácido hialuronico modificado; metodo de preparacion; su uso.
Proceso para extraer metales a partir de los concentrados de minerales sulfurados que los contienen aplicando reducción directa con regeneración y reciclaje del agente reductor hierro y del fundente carbonato de sodio