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KURD VON HAKEN Y ERZ REDUKT G
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KURD VON HAKEN Y ERZ REDUKT G
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Application filed by KURD VON HAKEN Y ERZ REDUKT GfiledCriticalKURD VON HAKEN Y ERZ REDUKT G
Publication of ES224394A1publicationCriticalpatent/ES224394A1/en
Procedure for reducing iron minerals at low temperatures, especially brown magnetic iron oxide, gamma -Fe2O3, characterized in that the material to be reduced is mixed in a granular or powdered state with gas, coal powder is mixed with gas, then the two mixtures are brought into reciprocal and effective contact at a temperature below 200ºC and the mixing and turbulence are continuously continued and are subjected to a reduction temperature of 350ºC-540ºC, with prior combustion of the carbon oxide being carried out at a temperature lower, preferably below 500ºC. (Machine-translation by Google Translate, not legally binding)
ES0224394A1954-10-131955-10-11Procedure to reduce iron minerals at low temperatures (Machine-translation by Google Translate, not legally binding)
ExpiredES224394A1
(en)
Improvements for the desaredination of ashes of calcinated pirites and arsenical west iron minerals (Machine-translation by Google Translate, not legally binding)
Improvements in or relative to the foundry of metallic materials containing lead and zinc in a high oven (Machine-translation by Google Translate, not legally binding)
Procedure for desulfuration of iron minerals to obtain contents in sulfur practically null (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)