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A process of producing iron sponge, as the first material in the production of iron and steels, characterized in that the iron ore materials, properly reducing, such as charcoal, are introduced into refractory containers that pass over trolleys inside a tunnel furnace, where the heat produced is the reduction of the mineral, converting the mixture into an iron sponge for further use in the industry. (Machine-translation by Google Translate, not legally binding)
ES0236055A1957-06-141957-06-14A procedure to produce iron sponge (Machine-translation by Google Translate, not legally binding)
ExpiredES236055A3
(en)
A procedure and device for the treatment of silicon-magnesium minerals to obtain products of high content in forstenite (Machine-translation by Google Translate, not legally binding)
A procedure for the previous treatment of combustibles that contain sulfur for the direct extraction of the iron from its mineral (Machine-translation by Google Translate, not legally binding)
Procedure for the manufacture of steel by direct reduction of the mineral and oven for its application (Machine-translation by Google Translate, not legally binding)