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.)
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 filedfiledCritical
Application grantedgrantedCritical
Publication of FR1137543ApublicationCriticalpatent/FR1137543A/fr
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
C22B15/0002—Preliminary treatment
C22B15/001—Preliminary treatment with modification of the copper constituent
C22B15/0021—Preliminary treatment with modification of the copper constituent by reducing in gaseous or solid state
C—CHEMISTRY; METALLURGY
C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
C22B1/00—Preliminary treatment of ores or scrap
C22B1/02—Roasting processes
C22B1/08—Chloridising roasting
C—CHEMISTRY; METALLURGY
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
C22B15/0002—Preliminary treatment
C22B15/001—Preliminary treatment with modification of the copper constituent
C22B15/0013—Preliminary treatment with modification of the copper constituent by roasting
C22B15/0019—Chloridizing roasting
Landscapes
Engineering & Computer Science
(AREA)
Chemical & Material Sciences
(AREA)
Manufacturing & Machinery
(AREA)
Materials Engineering
(AREA)
Mechanical Engineering
(AREA)
Metallurgy
(AREA)
Organic Chemistry
(AREA)
Life Sciences & Earth Sciences
(AREA)
Environmental & Geological Engineering
(AREA)
General Life Sciences & Earth Sciences
(AREA)
Geochemistry & Mineralogy
(AREA)
Geology
(AREA)
FR1137543D1954-09-241955-09-07Procédé d'obtention de métaux, et plus particulièrement de cuivre, à partir de substances en contenant
ExpiredFR1137543A
(fr)
Procédé d'obtention de produits à base d'uranium possédant des propreiétés physiques avantageuses à partir de solutions contenant de l'uranium hexavalent