CH475916A - Procédé pour diminuer la teneur en ions métalliques contaminant une solution aqueuse d'hydroxyde d'un métal alcalin au moyen d'une cellule électrolytique - Google Patents
Procédé pour diminuer la teneur en ions métalliques contaminant une solution aqueuse d'hydroxyde d'un métal alcalin au moyen d'une cellule électrolytiqueInfo
- Publication number
- CH475916A CH475916A CH1580466A CH1580466A CH475916A CH 475916 A CH475916 A CH 475916A CH 1580466 A CH1580466 A CH 1580466A CH 1580466 A CH1580466 A CH 1580466A CH 475916 A CH475916 A CH 475916A
- Authority
- CH
- Switzerland
- Prior art keywords
- reducing
- content
- aqueous solution
- electrolytic cell
- alkali metal
- Prior art date
Links
- 150000008044 alkali metal hydroxides Chemical class 0.000 title 1
- 239000007864 aqueous solution Substances 0.000 title 1
- 229910021645 metal ion Inorganic materials 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
- C01D1/04—Hydroxides
- C01D1/28—Purification; Separation
- C01D1/40—Purification; Separation by electrolysis
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/14—Alkali metal compounds
- C25B1/16—Hydroxides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Metallurgy (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Electrolytic Production Of Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US50610165A | 1965-11-02 | 1965-11-02 | |
| US56199966A | 1966-06-30 | 1966-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH475916A true CH475916A (fr) | 1969-07-31 |
Family
ID=27055359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1580466A CH475916A (fr) | 1965-11-02 | 1966-11-01 | Procédé pour diminuer la teneur en ions métalliques contaminant une solution aqueuse d'hydroxyde d'un métal alcalin au moyen d'une cellule électrolytique |
Country Status (6)
| Country | Link |
|---|---|
| CH (1) | CH475916A (cs) |
| DE (1) | DE1592022B1 (cs) |
| FR (1) | FR1505466A (cs) |
| GB (1) | GB1169206A (cs) |
| NO (1) | NO117360B (cs) |
| SE (1) | SE332623B (cs) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA922663A (en) * | 1969-03-11 | 1973-03-13 | M. Otto Jack | Apparatus and method for purifying alkali metal hydroxide solutions |
| CA931110A (en) * | 1969-03-11 | 1973-07-31 | A. Carlson Gordon | Recovery of metals from solution |
| EP0043871A1 (en) * | 1980-07-04 | 1982-01-20 | The Dow Chemical Company | Method for removing chlorate from caustic solutions with electrolytically deposited iron and process for recovering said iron from said purified solutions |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE651240C (de) * | 1934-12-26 | 1937-10-09 | I G Farbenindustrie Akt Ges | Verfahren zur Reinigung von Alkalilaugen |
| DE1044051B (de) * | 1953-11-23 | 1958-11-20 | British Petroleum Co | Verfahren und Vorrichtung zur elektrolytischen Regeneration von waessrigen alkalischen, Mercaptane enthaltenden Loesungen |
-
1966
- 1966-10-20 SE SE1426366A patent/SE332623B/xx unknown
- 1966-10-21 FR FR81090A patent/FR1505466A/fr not_active Expired
- 1966-11-01 GB GB4885766A patent/GB1169206A/en not_active Expired
- 1966-11-01 CH CH1580466A patent/CH475916A/fr not_active IP Right Cessation
- 1966-11-01 NO NO16541566A patent/NO117360B/no unknown
- 1966-11-02 DE DE19661592022 patent/DE1592022B1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FR1505466A (fr) | 1967-12-15 |
| SE332623B (cs) | 1971-02-15 |
| NO117360B (cs) | 1969-08-04 |
| DE1592022B1 (de) | 1971-02-18 |
| GB1169206A (en) | 1969-10-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |