CN1013248B - 加硅高温水解处理熔融氟化物中氧化铝电解制铝电解槽废衬料的方法 - Google Patents
加硅高温水解处理熔融氟化物中氧化铝电解制铝电解槽废衬料的方法Info
- Publication number
- CN1013248B CN1013248B CN88103256A CN88103256A CN1013248B CN 1013248 B CN1013248 B CN 1013248B CN 88103256 A CN88103256 A CN 88103256A CN 88103256 A CN88103256 A CN 88103256A CN 1013248 B CN1013248 B CN 1013248B
- Authority
- CN
- China
- Prior art keywords
- reactor
- water
- silicon
- carbon
- fluorine
- 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.)
- Expired
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)
- Electrolytic Production Of Metals (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Removal Of Specific Substances (AREA)
- Silicon Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8708012A FR2615764B1 (fr) | 1987-06-01 | 1987-06-01 | Procede de traitement, par silicopyrohydrolyse, de brasquages uses provenant de cuves d'electrolyse hall-heroult |
| FR8708012 | 1987-06-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN88103256A CN88103256A (zh) | 1988-12-14 |
| CN1013248B true CN1013248B (zh) | 1991-07-24 |
Family
ID=9351847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN88103256A Expired CN1013248B (zh) | 1987-06-01 | 1988-05-31 | 加硅高温水解处理熔融氟化物中氧化铝电解制铝电解槽废衬料的方法 |
Country Status (17)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE467224B (sv) * | 1989-01-25 | 1992-06-15 | Skf Plasma Tech | Foerfarande och anordning foer att oeverfoera urlakningsbara substanser i avfallsmaterial till gas eller till lakningsstabila foereningar |
| FR2664297B1 (fr) * | 1990-07-04 | 1992-09-11 | Pechiney Aluminium | Procede de traitement par choc thermique de brasquages uses provenant de cuves d'electrolyse hall-heroult. |
| NO176648C (no) * | 1991-11-07 | 1995-05-10 | Elkem Technology | Fremgangsmåte for behandling av brukte katodebunner |
| CA2159806C (en) * | 1993-04-06 | 2005-07-05 | John Millice Floyd | Smelting of carbon-containing material |
| CN101804996B (zh) * | 2010-04-02 | 2011-12-21 | 北京矿冶研究总院 | 一种从电解铝废阴极炭块中回收氟化钠的方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2338336A1 (fr) * | 1976-01-13 | 1977-08-12 | Pechiney Aluminium | Nouveau procede de brasquage des cuves pour electrolyse ignee |
| 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 (de) * | 1979-10-20 | 1981-10-15 | Vereinigte Aluminium-Werke Ag, 5300 Bonn | Verfahren und Vorrichtung zur Gewinnung von Fluorwasserstoff aus fluorhaltigen Materialien durch Pyrohydrolyse |
| 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/fr not_active Expired
-
1988
- 1988-05-26 EP EP88420169A patent/EP0294300B1/fr not_active Expired - Lifetime
- 1988-05-26 DE DE8888420169T patent/DE3867130D1/de not_active Expired - Fee Related
- 1988-05-26 ES ES198888420169T patent/ES2027410T3/es not_active Expired - Lifetime
- 1988-05-26 IN IN429/CAL/88A patent/IN169595B/en unknown
- 1988-05-27 RU SU884355818A patent/RU1782226C/ru active
- 1988-05-27 NZ NZ224814A patent/NZ224814A/xx unknown
- 1988-05-27 ZA ZA883823A patent/ZA883823B/xx unknown
- 1988-05-30 CA CA000568138A patent/CA1334049C/fr not_active Expired - Fee Related
- 1988-05-30 IS IS3352A patent/IS1513B/is unknown
- 1988-05-30 NO NO882373A patent/NO166922C/no unknown
- 1988-05-31 HU HU882777A patent/HU204717B/hu not_active IP Right Cessation
- 1988-05-31 BR BR8802626A patent/BR8802626A/pt not_active Application Discontinuation
- 1988-05-31 AU AU16787/88A patent/AU603672B2/en not_active Ceased
- 1988-05-31 YU YU105488A patent/YU46337B/sh unknown
- 1988-05-31 CN CN88103256A patent/CN1013248B/zh not_active Expired
-
1991
- 1991-12-30 GR GR91401923T patent/GR3003448T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| HUT48138A (en) | 1989-05-29 |
| IN169595B (US06653308-20031125-C00197.png) | 1991-11-16 |
| YU105488A (en) | 1989-06-30 |
| NO166922B (no) | 1991-06-10 |
| HU204717B (en) | 1992-02-28 |
| FR2615764B1 (fr) | 1989-08-18 |
| EP0294300B1 (fr) | 1991-12-27 |
| ES2027410T3 (es) | 1992-06-01 |
| CA1334049C (fr) | 1995-01-24 |
| DE3867130D1 (de) | 1992-02-06 |
| BR8802626A (pt) | 1988-12-27 |
| RU1782226C (ru) | 1992-12-15 |
| CN88103256A (zh) | 1988-12-14 |
| YU46337B (sh) | 1993-05-28 |
| ZA883823B (en) | 1989-02-22 |
| NO882373D0 (no) | 1988-05-30 |
| NO882373L (no) | 1988-12-02 |
| FR2615764A1 (fr) | 1988-12-02 |
| GR3003448T3 (en) | 1993-02-17 |
| IS1513B (is) | 1992-11-04 |
| AU603672B2 (en) | 1990-11-22 |
| EP0294300A1 (fr) | 1988-12-07 |
| NZ224814A (en) | 1991-02-26 |
| AU1678788A (en) | 1988-12-01 |
| IS3352A7 (is) | 1988-12-02 |
| NO166922C (no) | 1991-09-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |