FIELD: hydrometallurgy of scandium. SUBSTANCE: method involves precipitation of scandium, the process is carried out of acid solutions in the presence of ions of ammonium and sulfate at 40-95 C. Ammonium sulfate is used as reagent. Nitro-, sulfate solutions or hydrogen chloride solution is used as mentioned above acid solutions. EFFECT: improved efficiency. 3 cl, 3 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF SEPARATION OF SCANDIUM AND ASSOCIATE METALS | 2017 |
|
RU2658399C1 |
| METHOD OF PRODUCING HIGH-STOICHIOMETRIC NANO-SIZED MATERIALS BASED ON YTTRIUM-ALUMINUM GARNET WITH RARE-EARTH ELEMENT OXIDES | 2018 |
|
RU2689721C1 |
| METHOD FOR PREPARATION OF SCANDIUM OXIDE FROM SCANDIUM-CONTAINING CONCENTRATES | 2018 |
|
RU2669737C1 |
| METHOD OF PREPARING TITANIUM HARDENER FROM TITANIUM-CONTAINING RAW MATERIAL FOR HARDENING WITH ADMIXTURES AND METHOD OF MANUFACTURING LEATHER | 1993 |
|
RU2085591C1 |
| METHOD FOR SULPHURIC ACID PROCESSING OF SCANDIUM-CONTAINING RAW MATERIALS | 2023 |
|
RU2806940C1 |
| METHOD FOR PRODUCTION OF SCANDIUM-CONTAINING CONCENTRATES | 1991 |
|
RU2048564C1 |
| METHOD OF EXTRACTING SCANDIUM AND RARE-EARTH ELEMENTS FROM RED MUD | 2015 |
|
RU2603418C1 |
| PROCEDURE FOR EXTRACTING RHENIUM | 1994 |
|
RU2068014C1 |
| COMPLEX METHOD OF PRODUCING LOW-AGGLOMERATED HIGH-STOICHIOMETRIC NANO-SIZED PRECURSOR POWDERS BASED ON YTTRIUM-ALUMINIUM GARNET WITH RARE-EARTH ELEMENT OXIDES | 2019 |
|
RU2721548C1 |
| METHOD OF PRODUCING SCANDIUM OXIDE | 2011 |
|
RU2478725C1 |
