FIELD: rhenium and osmium elimination method. SUBSTANCE: method involves heating at 750-850 C by directing hot gases containing at least 5% of sour gases through layer of raw material. EFFECT: increased efficiency. 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD FOR ELIMINATION OF RHENIUM AND OSMIUM INTO GASEOUS PHASE FROM PLUMBOUS RHENIUM-BEARING DUSTS AND COPPER PRODUCTION SULFURIC ACID SLUDGES | 1993 |
|
RU2051193C1 |
| METHOD OF SUBLIMATION OF OSMIUM INTO GAS PHASE FROM SULFURIC SLIMES OF COPPER PROCESS | 2002 |
|
RU2227814C1 |
| METHOD FOR ROASTING OF MOLYBDENUM CONCENTRATE AND MIDDLINGS | 1996 |
|
RU2106420C1 |
| METHOD FOR DISTILLING OSMIUM TO GASEOUS PHASE | 2004 |
|
RU2296171C2 |
| METHOD FOR TRAPPING RHENIUM FROM GASES | 1992 |
|
RU2034081C1 |
| METHOD OF EXTRACTION OF OSMIUM AND RHENIUM FROM THE WASHING SULFURIC ACID | 2005 |
|
RU2291840C2 |
| METHOD OF PROCESSING SPENT VANADIUM CATALYST | 1996 |
|
RU2117061C1 |
| METHOD FOR OBTAINING RHENIC SULFIDE CONCENTRATE FROM COMPOUND SULFURIC ACID SOLUTIONS | 1993 |
|
RU2057197C1 |
| METHOD OF EXTRACTING RHENIUM AND PLATINUM METALS FROM SPENT CATALYSTS ON ALUMINIUM OXIDE SUPPORTS | 2013 |
|
RU2525022C1 |
| METHOD OF PROCESSING MOLYBDENITE CONCENTRATES AND MIDDLINGS | 2001 |
|
RU2191840C1 |
