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
GB9052/38A
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.)
METALLURG BRESCIANA GIA TEMPIN
Original Assignee
METALLURG BRESCIANA GIA TEMPIN
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 METALLURG BRESCIANA GIA TEMPINfiledCriticalMETALLURG BRESCIANA GIA TEMPIN
Publication of GB499552ApublicationCriticalpatent/GB499552A/en
C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
C22B15/00—Obtaining copper
C22B15/0026—Pyrometallurgy
C22B15/006—Pyrometallurgy working up of molten copper, e.g. refining
Abstract
Oxygen and sulphur are removed from copper and a small quantity of hydrogen is introduced into it by passing hydrogen through the molten metal, by means of a submerged refractory nozzle, and then cooling rapidly, as by pouring into cooled moulds or chilling devices.
GB9052/38A1937-03-251938-03-24A process for the treatment of copper
ExpiredGB499552A
(en)