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GEA Group AG
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Metallgesellschaft AG
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Publication date
Application filed by Metallgesellschaft AGfiledCriticalMetallgesellschaft AG
Publication of ES229415A1publicationCriticalpatent/ES229415A1/en
A process for the roasting of sulphurous and ferrous raw materials, preferably pyrites which, in addition, contain metals capable of volatilizing, such as as, zn and cd, with preliminary roasting in a floor furnace, and final roasting in an oven of fludification of the partially toasted material, characterized in that the exhaust gas from the turbulence furnace and the floor furnace is collected separately and subjected, also separately, to a possible further processing. (Machine-translation by Google Translate, not legally binding)
ES0229415A1955-07-061956-06-22A procedure for the tasting of sulfur raw materials (Machine-translation by Google Translate, not legally binding)
ExpiredES229415A1
(en)
A procedure for exploiting a hot air cube oven for the obtaining of iron and iron alloys (Machine-translation by Google Translate, not legally binding)
Improvements for the desaredination of ashes of calcinated pirites and arsenical west iron minerals (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of dioxidosulphide gases for the staged testing of materials containing tostable sulfur and antimony or antimony and arsenium in reinforced layers (Machine-translation by Google Translate, not legally binding)
An improvement in the procedure for the treatment of sulphurous minerals or concentrates for metalurgical purposes (Machine-translation by Google Translate, not legally binding)
Procedure for the elimination of arsenium, antimony and non-ferrous metals of tissue waste, extendedly released from sulfur of sulfur materials, ferrites and other oxidic iron minerals (Machine-translation by Google Translate, not legally binding)
A procedure and device for the treatment of silicomagnesian minerals to obtain products of elevated content in forsterite (Machine-translation by Google Translate, not legally binding)