SU459116A1 - Method for processing high-melting rare metal ores - Google Patents

Method for processing high-melting rare metal ores Download PDF

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Publication number
SU459116A1
SU459116A1 SU721773487A SU1773487A SU459116A1 SU 459116 A1 SU459116 A1 SU 459116A1 SU 721773487 A SU721773487 A SU 721773487A SU 1773487 A SU1773487 A SU 1773487A SU 459116 A1 SU459116 A1 SU 459116A1
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SU
USSR - Soviet Union
Prior art keywords
ammonium
magnesium
reagent
tungsten
metallophosphates
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Application number
SU721773487A
Other languages
Russian (ru)
Inventor
К.Я. Шапиро
Ю.Н. Юркевич
Ю.М. Поташников
Э.Д. Евстигнеева
К.И. Кузьмичева
Л.Е. Гуревич
Original Assignee
Всесоюзный научно-исследовательский и проектный институт тугоплавких металлов и твердых сплавов
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Application filed by Всесоюзный научно-исследовательский и проектный институт тугоплавких металлов и твердых сплавов filed Critical Всесоюзный научно-исследовательский и проектный институт тугоплавких металлов и твердых сплавов
Priority to SU721773487A priority Critical patent/SU459116A1/en
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Publication of SU459116A1 publication Critical patent/SU459116A1/en

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Description

паравольфрамат аммони . Общее извлечение вольфрама из руды в ПВА составило 90% против 70% по известному способу.ammonium paratungstate. The total extraction of tungsten from ore in the PVA was 90% against 70% by a known method.

Claims (5)

1. Способ переработки руд редких тугоплавких металлов, включающий выщелачивание минеральной кислотой в присутствии фосфат-ионов и осаждение металлофосфатов аммони  введением в пульпу аммоннйсодержащего реагента, отличающийс  тем, что, с целью повыщени  чистоты и степени извлечени  паравольфрамата аммони  осадок металлофосфатов аммони  отфильтровывают, раствор ют в аммиачной воде и раствор обрабатывают магнийсодержащим реагентом с последующим выделением паравольфрамата аммони  кристаллизацией.1. A method for processing ore rare refractory metals comprising leaching the mineral acid in the presence of phosphate ions and ammonium precipitation metallophosphates introduction into the pulp ammonnysoderzhaschego reagent, characterized in that, with a view to the Enhance purity and recovery rate of ammonium paratungstate ammonium metallophosphates precipitate was filtered off, dissolved in ammonia water and the solution is treated with a magnesium-containing reagent, followed by separation of ammonium paratungstate by crystallization. 2.Способ по п. 1, отличающийс  тем, что выщелачивание провод т 20- 40-ной азотной кислотой.2. A method according to claim 1, characterized in that the leaching is carried out with 20-40% nitric acid. 3.Способ по п. 1, отличающийс  тем, что вольфрамфосфат аммони  осаждают при мол рном отнощении вольфрама к аммоиию равном 4 : 1-2.3. A process according to claim 1, characterized in that ammonium tungsten phosphate is precipitated at a molar ratio of tungsten to ammonium of 4: 1-2. 4.Способ но п. 1, отличающийс  тем, что вольфрамфосфат аммони  раствор ют при весовом отнощепии его к воде и гидроокиси аммони , равном 1:2: 1 - 1 соответственно .4. Method 1, characterized in that ammonium tungsten phosphate is dissolved at a weight ratio to water and ammonium hydroxide equal to 1: 2: 1 - 1, respectively. 5.Способ по п. 1, отличающийс  тем, что, с целью очистки от фосфора, раствор вольфрамата аммони  обрабатывают реагентом, содержащим 50-100 г/л магни  и 100 г/л нитрата аммони  при мол рном отношении магни  к фосфору, равном 1-1,5: 1.5. A method according to claim 1, characterized in that, in order to purify from phosphorus, the ammonium tungstate solution is treated with a reagent containing 50-100 g / l of magnesium and 100 g / l of ammonium nitrate at a molar ratio of magnesium to phosphorus of 1 -1.5: 1.
SU721773487A 1972-04-18 1972-04-18 Method for processing high-melting rare metal ores SU459116A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU721773487A SU459116A1 (en) 1972-04-18 1972-04-18 Method for processing high-melting rare metal ores

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU721773487A SU459116A1 (en) 1972-04-18 1972-04-18 Method for processing high-melting rare metal ores

Publications (1)

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SU459116A1 true SU459116A1 (en) 1982-07-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4963336A (en) * 1989-09-25 1990-10-16 Amax Inc. Purification of APT

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4963336A (en) * 1989-09-25 1990-10-16 Amax Inc. Purification of APT

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