RU99109172A - METHOD OF ISOLATION OF CERIUM (+4) FROM NITROGEN-SOLID SOLUTION OF RARE-EARTH ELEMENTS - Google Patents
METHOD OF ISOLATION OF CERIUM (+4) FROM NITROGEN-SOLID SOLUTION OF RARE-EARTH ELEMENTSInfo
- Publication number
- RU99109172A RU99109172A RU99109172/12A RU99109172A RU99109172A RU 99109172 A RU99109172 A RU 99109172A RU 99109172/12 A RU99109172/12 A RU 99109172/12A RU 99109172 A RU99109172 A RU 99109172A RU 99109172 A RU99109172 A RU 99109172A
- Authority
- RU
- Russia
- Prior art keywords
- cerium
- rare
- earth elements
- isolation
- nitrogen
- Prior art date
Links
- ITZXULOAYIAYNU-UHFFFAOYSA-N cerium(4+) Chemical compound [Ce+4] ITZXULOAYIAYNU-UHFFFAOYSA-N 0.000 title claims 2
- 229910052761 rare earth metal Inorganic materials 0.000 title claims 2
- 238000002955 isolation Methods 0.000 title 1
- 239000006104 solid solution Substances 0.000 title 1
- 229910052684 Cerium Inorganic materials 0.000 claims 2
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims 2
- 239000003153 chemical reaction reagent Substances 0.000 claims 2
- 238000001556 precipitation Methods 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000000875 corresponding Effects 0.000 claims 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
Claims (1)
где [Н] исх., [Ce(+4)]исх. - численные значения концентраций свободной азотной кислоты и церия в исходном растворе, выраженных в м/л; Vисх., Vдоб. - численные значения объемов исходного раствора и введенной воды, выраженных в л, причем осаждение проводят из полученного раствора при температуре 70-100oC в течение не менее 30 мин.A method of extracting cerium (+4) from a nitrate solution of rare-earth elements, including the introduction of a reagent, the precipitation of a cerium-containing compound and its subsequent separation, characterized in that water is used as a reagent in an amount corresponding to
where [H] ref. , [Ce (+4)] ref. - the numerical values of the concentrations of free nitric acid and cerium in the initial solution, expressed in m / l; V out V ext - the numerical values of the volumes of the initial solution and the introduced water, expressed in liters, and the precipitation is carried out from the resulting solution at a temperature of 70-100 o C for at least 30 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU99109172/12A RU2162821C2 (en) | 1999-05-05 | 1999-05-05 | Method of recovery of cerium (+4) from nitrate solution of rare-earth elements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU99109172/12A RU2162821C2 (en) | 1999-05-05 | 1999-05-05 | Method of recovery of cerium (+4) from nitrate solution of rare-earth elements |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2162821C2 RU2162821C2 (en) | 2001-02-10 |
| RU99109172A true RU99109172A (en) | 2001-05-10 |
Family
ID=20219297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU99109172/12A RU2162821C2 (en) | 1999-05-05 | 1999-05-05 | Method of recovery of cerium (+4) from nitrate solution of rare-earth elements |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2162821C2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2495147C9 (en) * | 2012-09-13 | 2013-12-10 | Открытое акционерное общество "Нижнекамскнефтехим" | Cerium extraction method |
| RU2563015C2 (en) * | 2014-01-30 | 2015-09-10 | Общество с ограниченной ответственностью "Научно-производственная компания "Русредмет"(ООО НПК"Русредмет") | Method of extraction of cerium from nitrate solutions containing sum of rare-earth elements |
| RU2646416C2 (en) * | 2016-07-18 | 2018-03-05 | Федеральное государственное унитарное предприятие "Институт химических реактивов и особо чистых химических веществ Национального исследовательского центра "Курчатовский институт" (НИЦ "Курчатовский институт"-ИРЕА) | Method for obtaining of high-clean cerium (iii) nitrate solution |
-
1999
- 1999-05-05 RU RU99109172/12A patent/RU2162821C2/en not_active IP Right Cessation
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