FR2389993A1 - - Google Patents
Info
- Publication number
- FR2389993A1 FR2389993A1 FR7813318A FR7813318A FR2389993A1 FR 2389993 A1 FR2389993 A1 FR 2389993A1 FR 7813318 A FR7813318 A FR 7813318A FR 7813318 A FR7813318 A FR 7813318A FR 2389993 A1 FR2389993 A1 FR 2389993A1
- Authority
- FR
- France
- Prior art keywords
- residues
- luminescent substances
- red luminescent
- electrolysis
- settle
- 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.)
- Granted
Links
- 238000005868 electrolysis reaction Methods 0.000 abstract 2
- 239000000126 substance Substances 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- -1 aluminum halide Chemical class 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 229910002804 graphite Inorganic materials 0.000 abstract 1
- 239000010439 graphite Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 229910052761 rare earth metal Inorganic materials 0.000 abstract 1
- 150000002910 rare earth metals Chemical class 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 238000011282 treatment Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/01—Recovery of luminescent materials
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Luminescent Compositions (AREA)
- Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2720668A DE2720668C3 (de) | 1977-05-07 | 1977-05-07 | Verfahren und Vorrichtung zum Isolieren eines Seltene-Erden-Oxysulfid-Leuchtstoffes aus dem Sediment der Schirmraumabflußkanäle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2389993A1 true FR2389993A1 (enExample) | 1978-12-01 |
| FR2389993B1 FR2389993B1 (enExample) | 1983-02-25 |
Family
ID=6008357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7813318A Expired FR2389993B1 (enExample) | 1977-05-07 | 1978-05-05 |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US4159931A (enExample) |
| JP (1) | JPS5923586B2 (enExample) |
| DE (1) | DE2720668C3 (enExample) |
| FI (1) | FI61675C (enExample) |
| FR (1) | FR2389993B1 (enExample) |
| GB (1) | GB1601541A (enExample) |
| IT (1) | IT1118217B (enExample) |
| NL (1) | NL7804472A (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004262978A (ja) * | 2003-02-20 | 2004-09-24 | Tohoku Techno Arch Co Ltd | 蛍光粉末の回収法 |
| JP5647750B2 (ja) * | 2012-07-19 | 2015-01-07 | Jx日鉱日石金属株式会社 | 希土類元素含有合金からの希土類回収方法 |
| CN106984439B (zh) * | 2017-04-18 | 2019-04-05 | 长春工程学院 | 一种废油回收装置 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3474040A (en) * | 1965-06-18 | 1969-10-21 | Sylvania Electric Prod | Phosphor reclamation |
| FR2045485A5 (enExample) * | 1969-04-21 | 1971-02-26 | Sylvania Electric Prod |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2530524A (en) * | 1945-05-16 | 1950-11-21 | William S Hlavin | Liquid treating device |
| US2887444A (en) * | 1957-03-25 | 1959-05-19 | George H Graves | Process of and means for chlorinating swimming pools or the like |
| US3162587A (en) * | 1959-05-08 | 1964-12-22 | Sherritt Gordon Mines Ltd | Electrolytic precipitation of metal sulphides from leach slurries |
| US3348924A (en) * | 1964-05-28 | 1967-10-24 | Gen Telephone & Elect | Recovering excess vanadate phosphor removed from a cathodoluminescent screen |
| US3441488A (en) * | 1964-09-03 | 1969-04-29 | Atomic Energy Commission | Electrolytic desalination of saline water by a differential redox method |
| US3458415A (en) * | 1966-06-08 | 1969-07-29 | Hughes John F Jun | Method and apparatus for the treatment of liquids and liquid borne minerals and gases |
| US3523904A (en) * | 1967-08-28 | 1970-08-11 | Motorola Inc | Process for reclaiming contaminated phosphors |
| US3650931A (en) * | 1969-06-05 | 1972-03-21 | Us Interior | Purification of reactive metals |
| US3616326A (en) * | 1969-10-22 | 1971-10-26 | Edward I Onstott | Separation of rare earths by electrolysis with parous carbon electrodes |
| NL160228C (nl) * | 1970-06-13 | 1979-10-15 | Philips Nv | Werkwijze voor het terugwinnen van een luminescerend oxisulfide, vanadaat of oxide van ten minste yttrium en/of een element uit de lanthaanreeks. |
| US3748240A (en) * | 1972-06-07 | 1973-07-24 | Nalco Chemical Co | Sacrificial electrode system for removal of heavy metal ions from waste water |
| US3864273A (en) * | 1972-11-13 | 1975-02-04 | Gen Electric | Process for reclaiming rare-earth phosphors |
-
1977
- 1977-05-07 DE DE2720668A patent/DE2720668C3/de not_active Expired
-
1978
- 1978-04-26 NL NL7804472A patent/NL7804472A/xx not_active Application Discontinuation
- 1978-05-01 US US05/901,369 patent/US4159931A/en not_active Expired - Lifetime
- 1978-05-02 FI FI781353A patent/FI61675C/fi not_active IP Right Cessation
- 1978-05-03 IT IT2292978A patent/IT1118217B/it active
- 1978-05-04 GB GB17712/78A patent/GB1601541A/en not_active Expired
- 1978-05-05 FR FR7813318A patent/FR2389993B1/fr not_active Expired
- 1978-05-08 JP JP53053847A patent/JPS5923586B2/ja not_active Expired
-
1979
- 1979-03-23 US US06/023,230 patent/US4240896A/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3474040A (en) * | 1965-06-18 | 1969-10-21 | Sylvania Electric Prod | Phosphor reclamation |
| FR2045485A5 (enExample) * | 1969-04-21 | 1971-02-26 | Sylvania Electric Prod |
Also Published As
| Publication number | Publication date |
|---|---|
| FI781353A7 (fi) | 1978-11-08 |
| US4240896A (en) | 1980-12-23 |
| DE2720668C3 (de) | 1980-03-27 |
| IT7822929A0 (it) | 1978-05-03 |
| JPS5923586B2 (ja) | 1984-06-02 |
| NL7804472A (nl) | 1978-11-09 |
| DE2720668B2 (de) | 1979-08-02 |
| DE2720668A1 (de) | 1978-11-09 |
| IT1118217B (it) | 1986-02-24 |
| FR2389993B1 (enExample) | 1983-02-25 |
| FI61675B (fi) | 1982-05-31 |
| GB1601541A (en) | 1981-10-28 |
| JPS549180A (en) | 1979-01-23 |
| US4159931A (en) | 1979-07-03 |
| FI61675C (fi) | 1982-09-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |