SU51125A1 - The method of separation of niobium and tantalum salts - Google Patents
The method of separation of niobium and tantalum saltsInfo
- Publication number
- SU51125A1 SU51125A1 SU??-910A SU910A SU51125A1 SU 51125 A1 SU51125 A1 SU 51125A1 SU 910 A SU910 A SU 910A SU 51125 A1 SU51125 A1 SU 51125A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- niobium
- tantalum
- separation
- salt
- salts
- Prior art date
Links
- 238000000034 method Methods 0.000 title description 13
- 229910052758 niobium Inorganic materials 0.000 title description 7
- 239000010955 niobium Substances 0.000 title description 7
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 title description 7
- 150000003481 tantalum Chemical class 0.000 title description 6
- 238000000926 separation method Methods 0.000 title description 5
- 229910052715 tantalum Inorganic materials 0.000 description 9
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 9
- 150000002821 niobium Chemical class 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 230000007062 hydrolysis Effects 0.000 description 4
- 238000006460 hydrolysis reaction Methods 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 150000004673 fluoride salts Chemical class 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 238000001640 fractional crystallisation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical class [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Inorganic Compounds Of Heavy Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Description
Примен емый в насто щее врем метод разделени солей тантала и ниоби основан на дробной кристаллизации двойных фтористых солей (KJaF, и KgNbOFa) по способу Маринь ка со всеми его видоизменени ми . Этот метод, хот и приводит в конечном итоге к разделению тантала и ниоби , но сам по себе очень длителен и не рентабелен.The currently used method for the separation of tantalum and niobium salts is based on the fractional crystallization of double fluoride salts (KJaF and KgNbOFa) according to the Marinka method with all its modifications. This method, although it ultimately leads to the separation of tantalum and niobium, but in itself is very long and not profitable.
Авторами насто щего изобретени разработан способ быстрого и простого разделени тех же солей тантала и ниоби , которые употребл ютс при дробной кристаллизации по способу Маринь ка:The authors of the present invention have developed a method for the quick and simple separation of the same tantalum and niobium salts that are used in fractional crystallization according to the Marink method:
Предлагаемый метод основан на гидролизе КоТаР7 по реакции: ЗНзО К -f } OHF -)- 4KF, но гидролиз танталовой соли идет до конца, если нейфализовать HF. Некоторые авторы делали попытки нейтрализовать образующуюс HF растворами соды или аммиака, но это привело к совместному выпадению п тиокисей тантала и ниоби .The proposed method is based on the hydrolysis of CoTaP7 by the reaction: HF – OH} OHF -) - 4KF, but the hydrolysis of tantalum salt goes to the end, if nefalizovat HF. Some authors have attempted to neutralize the resulting HF solutions of soda or ammonia, but this has led to the joint loss of tantalum and niobium pentoxides.
По предлагаемому же методу образующийс HF нейтрализуетс электроотрицательным металлом.According to the proposed method, the resulting HF is neutralized by an electronegative metal.
В конечном итоге получаетс раствор соли ниоби , не содержащий соли тантала, а в осадке соль KiTajOjFj.i с небольшим содержанием соли ниоби . Перевод нерастворимую соль К.1 Та.1 Од Fj в KgTaF, можно повторением вышеприведенной операции гидролиза отделить полностью тантал от ниоби .Finally, a niobium salt solution is obtained that does not contain tantalum salt, and in the sediment there is a salt of KiTajOjFj.i with a low content of niobium salt. The translation of the insoluble salt K.1 Ta.1 Od Fj into KgTaF, can be repeated by repeating the above operation of hydrolysis to completely separate tantalum from niobium.
Процесс ведетс следующим образом . В гор чий раствор фтористых солей ниоби и тантала добавл етс дл нейтрализации HF металлический цинк в виде тонких стружек, с избытком от теории 10-20/о- Раствор солей кип титс с цинком в течение 1 -2 часов, затем раствор отфильтровываетс от выпавшей нерастворимой соли и непрореагировавшего цинка.The process is as follows. In a hot solution of fluoride salts of niobium and tantalum, metallic zinc is added to neutralize HF in the form of fine shavings, with an excess of 10–20 / o theory. salt and unreacted zinc.
Полученный таким образом филь трат соли ниоби не содержит тантала; подверга фильтрат упариванию и охлаждению, получают химически чистую соль ниоби .The niobium salt filtra so obtained does not contain tantalum; subjecting the filtrate to evaporation and cooling, a chemically pure niobium salt is obtained.
В качестве металлов дл нейтрализации могут быть применимы все металлы , которые медленно соедин ютс с HF и дают хорошо растворимое соединение.As metals for neutralization, all metals can be used which slowly combine with HF and give a highly soluble compound.
Лопаритовые и им подобные руды, после химической обработки содержащие смесь п тиокисей тантала и ниоби , можно переработать по вышеприведенному методу, предварительно перевед смесь п тиокисей в комплексные фтористые соли тантала и ниоби .Loparite and similar ores, which after chemical treatment contain a mixture of tantalum perioxide and niobium, can be processed by the above method, having previously converted the mixture of peroxide into complex fluoride of tantalum and niobium.
Предмет изобретени .The subject matter of the invention.
1. Способ разделени солей ниоби и тантала путем гидролиза их двойных фтористых солей и св зывани 1. A method for the separation of niobium and tantalum salts by hydrolysis of their double fluoride salts and binding
выдел ющейс при этом фтористоводородной кислоты, отличающийс тем, что дл св зывани HF примен ют металлический цинк или тому подобные электроотрицательные металлы , в присутствии которых кип т т раствор раздел емых солей, после чего обычным образом отдел ют нерастворимую соль тантала.hydrofluoric acid released in this process, characterized in that zinc metal or the like electronegative metals are used for binding HF, in the presence of which a solution of separable salts is boiled, after which the insoluble tantalum salt is separated.
2. Прием выполнени способа согласно п. 1, отличающийс тем, что выделившуюс соль тантала повторно перевод т в гидролизуемую соль и подвергают гидролизу в первоначальных услови х.2. Acceptance of the method according to claim 1, characterized in that the released tantalum salt is re-converted into the hydrolyzable salt and hydrolyzed under the initial conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU??-910A SU51125A1 (en) | 1936-10-07 | 1936-10-07 | The method of separation of niobium and tantalum salts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU??-910A SU51125A1 (en) | 1936-10-07 | 1936-10-07 | The method of separation of niobium and tantalum salts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU51125A1 true SU51125A1 (en) | 1937-11-30 |
Family
ID=51948584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU??-910A SU51125A1 (en) | 1936-10-07 | 1936-10-07 | The method of separation of niobium and tantalum salts |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU51125A1 (en) |
-
1936
- 1936-10-07 SU SU??-910A patent/SU51125A1/en active
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