SU456790A1 - Molybdenum recovery method - Google Patents
Molybdenum recovery methodInfo
- Publication number
- SU456790A1 SU456790A1 SU1846592A SU1846592A SU456790A1 SU 456790 A1 SU456790 A1 SU 456790A1 SU 1846592 A SU1846592 A SU 1846592A SU 1846592 A SU1846592 A SU 1846592A SU 456790 A1 SU456790 A1 SU 456790A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- molybdenum
- solution
- toluene
- recovery method
- amounts
- Prior art date
Links
Landscapes
- Inorganic Compounds Of Heavy Metals (AREA)
Description
1one
Изобретение относитс к способам выделени молибдена из растворов и может быть использовано в аналитической химии, а также в технологических цел х дл очистки молибденовых концентратов и промышленных продуктов от при.месей вольфрама.The invention relates to methods for separating molybdenum from solutions and can be used in analytical chemistry, as well as in technological purposes for the purification of molybdenum concentrates and industrial products from tungsten mixtures.
Известен способ выделени молибдена из кислых растворов экстракцией раствором трин-октиламина в толуоле. Процесс ведут нри концентрации сол ной кислоты в исходном растворе 4,5-6 М. Однако указанный способ обеспечивает выделение микроколичеств молибдена из растворов, содержащих сопоставимые количества сопутствующих молибдену элементов.There is a method for separating molybdenum from acidic solutions by extraction with a solution of trine-octylamine in toluene. The process is carried out at the concentration of hydrochloric acid in the initial solution of 4.5-6 M. However, this method ensures the release of micro-amounts of molybdenum from solutions containing comparable amounts of elements accompanying molybdenum.
С целью более полного выделени молибдена из растворов, содержащих микроколичества молибдена и макроколичества вольфрама , предлагаетс проводить экстракцию молибдена из 0,4-1,0 М раствора HF, содержащего 2-3 М NH4F. При этом целесообразно использовать 0,5 М раствор три-н-октиламина в толуоле.In order to more fully release molybdenum from solutions containing micro-amounts of molybdenum and macro-amounts of tungsten, it is proposed to extract molybdenum from 0.4-1.0 M HF solution containing 2-3 M NH4F. It is advisable to use a 0.5 M solution of tri-n-octylamine in toluene.
Описываемым способом можно выдел ть The method described can be distinguished.
молибден из растворов, содерл ащих 0,2-0,3 М вольфрама и М молибдена.molybdenum from solutions containing 0.2-0.3 M tungsten and M molybdenum.
Пример. Раствор, содержащий 0,2 М вольфра.ма и 10 Л молибдена в 0,5 Л растворе HF в присутствии 2 М , встр хивают с 0,5 М раствором три-н-октиламина (ТОЛ) в толуоле в течение 3 мин. Молибден переходит в органическую фазу, а вольфрам остаетс в водной фазе. Более полного выделени молибдена достигают при повторной экстракции с новой порцией толуольпого раствора ТОА.Example. A solution containing 0.2 M of tungsten.ma and 10 L of molybdenum in 0.5 L of HF solution in the presence of 2 M is shaken with a 0.5 M solution of tri-n-octylamine (TOL) in toluene for 3 minutes. Molybdenum enters the organic phase, and tungsten remains in the aqueous phase. More complete recovery of molybdenum is achieved by repeated extraction with a new portion of the toluene-based TOA solution.
Предмет изобретени Subject invention
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1846592A SU456790A1 (en) | 1972-11-15 | 1972-11-15 | Molybdenum recovery method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1846592A SU456790A1 (en) | 1972-11-15 | 1972-11-15 | Molybdenum recovery method |
Publications (1)
Publication Number | Publication Date |
---|---|
SU456790A1 true SU456790A1 (en) | 1975-01-15 |
Family
ID=20532173
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1846592A SU456790A1 (en) | 1972-11-15 | 1972-11-15 | Molybdenum recovery method |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU456790A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4288413A (en) * | 1979-05-14 | 1981-09-08 | Gte Products Corporation | Separating molybdenum values from an aqueous solution containing tungsten by solvent extraction |
-
1972
- 1972-11-15 SU SU1846592A patent/SU456790A1/en active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4288413A (en) * | 1979-05-14 | 1981-09-08 | Gte Products Corporation | Separating molybdenum values from an aqueous solution containing tungsten by solvent extraction |
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