NZ224814A - Method of detoxifying worn linings of hall-heroult electrolysis tanks - Google Patents
Method of detoxifying worn linings of hall-heroult electrolysis tanksInfo
- Publication number
- NZ224814A NZ224814A NZ224814A NZ22481488A NZ224814A NZ 224814 A NZ224814 A NZ 224814A NZ 224814 A NZ224814 A NZ 224814A NZ 22481488 A NZ22481488 A NZ 22481488A NZ 224814 A NZ224814 A NZ 224814A
- Authority
- NZ
- New Zealand
- Prior art keywords
- detoxifying
- hall
- electrolysis tanks
- heroult electrolysis
- worn linings
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/19—Fluorine; Hydrogen fluoride
- C01B7/191—Hydrogen fluoride
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/32—Alkali metal silicates
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Treating Waste Gases (AREA)
- Removal Of Specific Substances (AREA)
- Electrolytic Production Of Metals (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Silicon Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8708012A FR2615764B1 (en) | 1987-06-01 | 1987-06-01 | PROCESS FOR THE TREATMENT, BY SILICOPYROHYDROLYSIS, OF USED BRASQUAGES FROM HALL-HEROULT ELECTROLYSIS TANKS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NZ224814A true NZ224814A (en) | 1991-02-26 |
Family
ID=9351847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NZ224814A NZ224814A (en) | 1987-06-01 | 1988-05-27 | Method of detoxifying worn linings of hall-heroult electrolysis tanks |
Country Status (17)
| Country | Link |
|---|---|
| EP (1) | EP0294300B1 (en) |
| CN (1) | CN1013248B (en) |
| AU (1) | AU603672B2 (en) |
| BR (1) | BR8802626A (en) |
| CA (1) | CA1334049C (en) |
| DE (1) | DE3867130D1 (en) |
| ES (1) | ES2027410T3 (en) |
| FR (1) | FR2615764B1 (en) |
| GR (1) | GR3003448T3 (en) |
| HU (1) | HU204717B (en) |
| IN (1) | IN169595B (en) |
| IS (1) | IS1513B (en) |
| NO (1) | NO166922C (en) |
| NZ (1) | NZ224814A (en) |
| RU (1) | RU1782226C (en) |
| YU (1) | YU46337B (en) |
| ZA (1) | ZA883823B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE467224B (en) * | 1989-01-25 | 1992-06-15 | Skf Plasma Tech | PROCEDURE AND DEVICE TO TRANSFER URL-AFFECTABLE SUBSTANCES IN WASTE MATERIALS TO GAS OR TO LAKE-STABLE SUBSTANCES |
| FR2664297B1 (en) * | 1990-07-04 | 1992-09-11 | Pechiney Aluminium | PROCESS FOR THE TREATMENT BY THERMAL SHOCK OF USED BRAZZERS FROM HALL-HEROULT ELECTROLYSIS TANKS. |
| NO176648C (en) * | 1991-11-07 | 1995-05-10 | Elkem Technology | Method of treating used cathode bottom |
| BR9406327A (en) * | 1993-04-06 | 1995-12-26 | Ausmelt Ltd | Fusion of carbon-containing material |
| CN101804996B (en) * | 2010-04-02 | 2011-12-21 | 北京矿冶研究总院 | Method for recovering sodium fluoride from electrolytic aluminum waste cathode carbon block |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2338336A1 (en) * | 1976-01-13 | 1977-08-12 | Pechiney Aluminium | NEW PROCESS FOR BRAZING TANKS FOR IGNEE ELECTROLYSIS |
| US4113832A (en) * | 1977-11-28 | 1978-09-12 | Kaiser Aluminum & Chemical Corporation | Process for the utilization of waste materials from electrolytic aluminum reduction systems |
| US4160808A (en) * | 1978-05-30 | 1979-07-10 | Andersen John N | Pyrohydrolysis process for spent aluminum reduction cell linings |
| DE2942439C2 (en) * | 1979-10-20 | 1981-10-15 | Vereinigte Aluminium-Werke Ag, 5300 Bonn | Process and device for the production of hydrogen fluoride from fluorine-containing materials by pyrohydrolysis |
| AU611868B2 (en) * | 1986-12-22 | 1991-06-27 | Comalco Aluminium Limited | Recovery of fluoride values from waste materials |
-
1987
- 1987-06-01 FR FR8708012A patent/FR2615764B1/en not_active Expired
-
1988
- 1988-05-26 EP EP88420169A patent/EP0294300B1/en not_active Expired - Lifetime
- 1988-05-26 ES ES198888420169T patent/ES2027410T3/en not_active Expired - Lifetime
- 1988-05-26 DE DE8888420169T patent/DE3867130D1/en not_active Expired - Fee Related
- 1988-05-26 IN IN429/CAL/88A patent/IN169595B/en unknown
- 1988-05-27 RU SU884355818A patent/RU1782226C/en active
- 1988-05-27 ZA ZA883823A patent/ZA883823B/en unknown
- 1988-05-27 NZ NZ224814A patent/NZ224814A/en unknown
- 1988-05-30 NO NO882373A patent/NO166922C/en unknown
- 1988-05-30 CA CA000568138A patent/CA1334049C/en not_active Expired - Fee Related
- 1988-05-30 IS IS3352A patent/IS1513B/en unknown
- 1988-05-31 HU HU882777A patent/HU204717B/en not_active IP Right Cessation
- 1988-05-31 AU AU16787/88A patent/AU603672B2/en not_active Ceased
- 1988-05-31 YU YU105488A patent/YU46337B/en unknown
- 1988-05-31 CN CN88103256A patent/CN1013248B/en not_active Expired
- 1988-05-31 BR BR8802626A patent/BR8802626A/en not_active Application Discontinuation
-
1991
- 1991-12-30 GR GR91401923T patent/GR3003448T3/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN88103256A (en) | 1988-12-14 |
| FR2615764B1 (en) | 1989-08-18 |
| FR2615764A1 (en) | 1988-12-02 |
| AU1678788A (en) | 1988-12-01 |
| EP0294300A1 (en) | 1988-12-07 |
| DE3867130D1 (en) | 1992-02-06 |
| ZA883823B (en) | 1989-02-22 |
| NO882373D0 (en) | 1988-05-30 |
| HUT48138A (en) | 1989-05-29 |
| NO166922B (en) | 1991-06-10 |
| GR3003448T3 (en) | 1993-02-17 |
| YU105488A (en) | 1989-06-30 |
| RU1782226C (en) | 1992-12-15 |
| YU46337B (en) | 1993-05-28 |
| ES2027410T3 (en) | 1992-06-01 |
| CA1334049C (en) | 1995-01-24 |
| EP0294300B1 (en) | 1991-12-27 |
| IN169595B (en) | 1991-11-16 |
| AU603672B2 (en) | 1990-11-22 |
| CN1013248B (en) | 1991-07-24 |
| IS1513B (en) | 1992-11-04 |
| NO882373L (en) | 1988-12-02 |
| HU204717B (en) | 1992-02-28 |
| BR8802626A (en) | 1988-12-27 |
| NO166922C (en) | 1991-09-18 |
| IS3352A7 (en) | 1988-12-02 |
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