SU456790A1 - Molybdenum recovery method - Google Patents

Molybdenum recovery method

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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
Application number
SU1846592A
Other languages
Russian (ru)
Inventor
Юрий Александрович Золотов
Нина Александровна Агринская
Владимир Васильевич Багреев
Юрий Степанович Церюта
Original Assignee
Новочеркасский Ордена Трудового Красного Знамени Политехнический Институт Им.Серго Орджоникидзе
Ордена Ленина Институт Геохимии И Аналитической Химии Им.В.И.Вернадского
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Application filed by Новочеркасский Ордена Трудового Красного Знамени Политехнический Институт Им.Серго Орджоникидзе, Ордена Ленина Институт Геохимии И Аналитической Химии Им.В.И.Вернадского filed Critical Новочеркасский Ордена Трудового Красного Знамени Политехнический Институт Им.Серго Орджоникидзе
Priority to SU1846592A priority Critical patent/SU456790A1/en
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Publication of SU456790A1 publication Critical patent/SU456790A1/en

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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)

1.Способ выделени  молибдена из кислых растворов экстракцией раствором три-н-октиламина в толуоле, отличающийс  тем, что, с целью более полного выделени  его из растворов, содержащих микроколичества молибдена и макроколичества вольфрама, экстракцию провод т из 0,4-1,0 М раствора HF, содержащего 2-3 М Nn4F.1. A method for separating molybdenum from acidic solutions by extraction with a solution of tri-n-octylamine in toluene, characterized in that, in order to more completely separate it from solutions containing micro-amounts of molybdenum and macro-amounts of tungsten, extraction is carried out from 0.4-1.0 M HF solution containing 2-3 M Nn4F. 2.Способ по п. 1, отличающийс  тем, что используют предпочтительно 0,5 М раствор три-н-октиламина в толуоле.2. A method according to claim 1, characterized in that preferably a 0.5 M solution of tri-n-octylamine in toluene is used.
SU1846592A 1972-11-15 1972-11-15 Molybdenum recovery method SU456790A1 (en)

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

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SU456790A1 true SU456790A1 (en) 1975-01-15

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Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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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