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Un procedimiento de producir esponja de hierro, como primera materia en la obtención de hierro y aceros, caracterizados porque los materiales de mineral de hierro, debidamente reductores, tales como carbón vegetal, se introducen en recipientes refractarios que pasan sobre vagonetas por el interior de un horno tunel, donde por el calor producido se efectúa la reducción del mineral, convirtiendo la mezcla en esponja de hierro para su empleo posterior en la industria.
ES0236055A1957-06-141957-06-14Un procedimiento de producir esponja de hierro
ExpiredES236055A3
(es)