FIELD: metallurgy.
SUBSTANCE: method of extraction of ruthenium from nitrite water solutions includes the ruthenium extraction by the solution of 3-n-butyl phosphate, water washing of the extract, adding of a cleansing solution to the solution for extraction, and ruthenium re-extraction by a sodium carbonate solution.
EFFECT: improvement of efficiency of direct extraction of ruthenium and decrease of expenses.
1 tbl, 1 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF RE-EXTRACTION OF RUTHENIUM FROM TRIBUTYL PHOSPHATE | 2000 |
|
RU2195431C2 |
| METHOD OF PROCESSING IRRADIATED NUCLEAR FUEL ON NUCLEAR POWER PLANTS | 1997 |
|
RU2132578C1 |
| METHOD OF EXTRACTION SEPARATION AND CONCENTRATION OF ZIRCONIUM AND HAFNIUM | 2000 |
|
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| EXTRACTION SEPARATION OF ZIRCONIUM AND HAFNIUM | 2012 |
|
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| METHOD OF EXTRACTION SEPARATION OF RARE-EARTH ELEMENTS | 2018 |
|
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| METHOD OF EXTRACTION URANIUM REFINING | 2013 |
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| METHOD OF PROCESSING OF IRRADIATED FUEL OF ATOMIC POWER PLANTS | 1992 |
|
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| GOLD EXTRACTION FROM CHLORINE-BEARING SOLUTIONS | 2014 |
|
RU2568539C2 |
| METHOD OF RECOVERING RARE-EARTH ELEMENTS FROM EUDIALYTE CONCENTRATE SOLUTION SUBJECTED TO HYDROCHLORIC ACID DECOMPOSITION | 2005 |
|
RU2288171C1 |
| EXTRACTION PHOSPHORIC ACID PURIFICATION PROCESS | 2001 |
|
RU2191745C1 |
