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.)
Expired
Application number
Inventor
Wilhelm Schumacher
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Application grantedgrantedCritical
Publication of GB190826851ApublicationCriticalpatent/GB190826851A/en
26,851. Schumacher, W. Dec. 10. Blast and cupola furnace charges.-Finely-divided ores, chimney dust, &c. are briquetted by admixture with finely ground iron carbonate ore or manganese spar and hydrate of lime or substances containing hydrate of lime, the mixture being treated with superheated or high-pressure steam, or heated, for example in flues, in the presence of water or steam to at least 100‹ C. The hydrate of lime and iron carbonate ore or manganese spar are added in proportions amounting to 5 per cent and 10 per cent respectively of the amount of ore to be briquetted, and during the briquetting become converted into calcium carbonate and hydrated ferrous or manganous oxide.
GB190826851D1908-12-101908-12-10An Improved Process for Briquetting Ores.
ExpiredGB190826851A
(en)