FR2268877A1 - Recovering fluorides and aluminium oxide - from spent aluminium oxide insulation of aluminium reduction cell, by dry steam treatment - Google Patents
Recovering fluorides and aluminium oxide - from spent aluminium oxide insulation of aluminium reduction cell, by dry steam treatmentInfo
- Publication number
- FR2268877A1 FR2268877A1 FR7513358A FR7513358A FR2268877A1 FR 2268877 A1 FR2268877 A1 FR 2268877A1 FR 7513358 A FR7513358 A FR 7513358A FR 7513358 A FR7513358 A FR 7513358A FR 2268877 A1 FR2268877 A1 FR 2268877A1
- Authority
- FR
- France
- Prior art keywords
- spent
- insulation
- oxide
- aluminium oxide
- aluminium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000009413 insulation Methods 0.000 title abstract 5
- 229910052782 aluminium Inorganic materials 0.000 title abstract 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title 1
- 239000004411 aluminium Substances 0.000 title 1
- 150000002222 fluorine compounds Chemical class 0.000 title 1
- 239000003792 electrolyte Substances 0.000 abstract 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 229910001610 cryolite Inorganic materials 0.000 abstract 1
- 239000012212 insulator Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 150000001247 metal acetylides Chemical class 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 150000004767 nitrides Chemical class 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Electrolytic Production Of Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Processing Of Solid Wastes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1877374 | 1974-04-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2268877A1 true FR2268877A1 (en) | 1975-11-21 |
Family
ID=10118174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7513358A Withdrawn FR2268877A1 (en) | 1974-04-29 | 1975-04-29 | Recovering fluorides and aluminium oxide - from spent aluminium oxide insulation of aluminium reduction cell, by dry steam treatment |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5339245B2 (cs) |
| AU (1) | AU8062175A (cs) |
| CA (1) | CA1054970A (cs) |
| CH (1) | CH594745A5 (cs) |
| ES (1) | ES437060A1 (cs) |
| FR (1) | FR2268877A1 (cs) |
| IT (1) | IT1037724B (cs) |
| NL (1) | NL7505082A (cs) |
| NO (1) | NO751515L (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58119651A (ja) * | 1982-01-11 | 1983-07-16 | Nippon Telegr & Teleph Corp <Ntt> | 半導体装置およびその製造方法 |
-
1975
- 1975-04-26 ES ES437060A patent/ES437060A1/es not_active Expired
- 1975-04-28 CA CA225,688A patent/CA1054970A/en not_active Expired
- 1975-04-28 NO NO751515A patent/NO751515L/no unknown
- 1975-04-29 IT IT22850/75A patent/IT1037724B/it active
- 1975-04-29 FR FR7513358A patent/FR2268877A1/fr not_active Withdrawn
- 1975-04-29 CH CH547475A patent/CH594745A5/xx not_active IP Right Cessation
- 1975-04-29 NL NL7505082A patent/NL7505082A/xx unknown
- 1975-04-29 AU AU80621/75A patent/AU8062175A/en not_active Expired
- 1975-04-30 JP JP5244775A patent/JPS5339245B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2519080A1 (de) | 1975-10-30 |
| JPS5339245B2 (cs) | 1978-10-20 |
| IT1037724B (it) | 1979-11-20 |
| DE2519080B2 (de) | 1976-12-23 |
| CA1054970A (en) | 1979-05-22 |
| NL7505082A (nl) | 1975-10-31 |
| ES437060A1 (es) | 1977-01-16 |
| JPS50151711A (cs) | 1975-12-05 |
| AU8062175A (en) | 1976-11-04 |
| CH594745A5 (cs) | 1978-01-31 |
| NO751515L (cs) | 1975-10-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |