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Cruz S A
Original Assignee
Cruz S A
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Application filed by Cruz S AfiledCriticalCruz S A
Priority to ES0246074ApriorityCriticalpatent/ES246074A3/en
Publication of ES246074A3publicationCriticalpatent/ES246074A3/en
Furnace for continuous industrial manufacture of lead oxides characterized by being formed by a metal cylinder that rotates on rolling and that is heated externally in which the lead is introduced directly by a limb and that carries inside walls or divisions of sieving and crushing intended to ensure obtaining a total reaction in such a way that the desired lead oxide can be collected at the other end of the furnace. (Machine-translation by Google Translate, not legally binding)
ES0246074A1958-12-091958-12-09Oven for continuous industrial manufacture of lead oxide (Machine-translation by Google Translate, not legally binding)
ExpiredES246074A3
(en)
A reduction procedure of mineral containing one, at least, of the oxides of chrome, manganese and iron. (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of iron from iron minerals or ferrous oxide combinations, as well as for the subsequent obtaining of other valuable metals or minerals from mixed minerals (Machine-translation by Google Translate, not legally binding)