Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Knapsack Griesheim AG
Original Assignee
Knapsack Griesheim AG
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Filing date
Publication date
Application filed by Knapsack Griesheim AGfiledCriticalKnapsack Griesheim AG
Priority to ES0310064ApriorityCriticalpatent/ES310064A1/en
Publication of ES310064A1publicationCriticalpatent/ES310064A1/en
Process for the stabilization of ferrosilicon with a Si content of 25 to 80% by weight, preferably approximately 40 to 80% by weight, against alkaline media, characterized in that at temperatures between about 15 to 105º C, preferably 60 to 90º C , the ferrosilicon is treated for at least approximately 0.25 to 24 hours with an aqueous solution of water glass, or with aqueous alkaline hydroxides, preferably under the addition of a permanganate or alkali or alkaline earth dichromate, is separated from the liquid, is washed with water at neutrality and drying at elevated temperature, preferably 100 to 350º C. (Machine-translation by Google Translate, not legally binding)
ES0310064A1965-03-031965-03-03Procedure for the stabilization of ferrosilicio. (Machine-translation by Google Translate, not legally binding)
ExpiredES310064A1
(en)
Procedure for the disgregation of minerals containing titanic anhydride with hydrochloric acid (Machine-translation by Google Translate, not legally binding)