Fusion procedure for the use of mineral reduction sponges by gas without fusion and especially from iron minerals (Machine-translation by Google Translate, not legally binding)

摘要

Melting process for its use, of the mineral reduction sponges by means of non-melting gas and in particular those from iron ores, characterized in that the melting of the sponge is carried out in an oven provided with a basic coating and with a basic slag that contains at least 25% cao. (Machine-translation by Google Translate, not legally binding)