DE69701870D1 - Verfahren zur rückgewinnung von natrium das in industriellen alkaliabfällen enthalten ist - Google Patents
Verfahren zur rückgewinnung von natrium das in industriellen alkaliabfällen enthalten istInfo
- Publication number
- DE69701870D1 DE69701870D1 DE69701870T DE69701870T DE69701870D1 DE 69701870 D1 DE69701870 D1 DE 69701870D1 DE 69701870 T DE69701870 T DE 69701870T DE 69701870 T DE69701870 T DE 69701870T DE 69701870 D1 DE69701870 D1 DE 69701870D1
- Authority
- DE
- Germany
- Prior art keywords
- recovery
- sodium contained
- alkali waste
- industrial alkali
- industrial
- 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 - Lifetime
Links
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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
- C01F7/06—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
- C01F7/0606—Making-up the alkali hydroxide solution from recycled spent liquor
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
- C01F7/06—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
- C01F7/066—Treatment of the separated residue
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Analytical Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Treatment Of Sludge (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9604288A FR2746786B1 (fr) | 1996-04-01 | 1996-04-01 | Procede de recuperation du sodium contenu dans les residus alcalins industriels |
PCT/FR1997/000513 WO1997036823A1 (fr) | 1996-04-01 | 1997-03-24 | Procede de recuperation du sodium contenu dans les residus alcalins industriels |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69701870D1 true DE69701870D1 (de) | 2000-06-08 |
DE69701870T2 DE69701870T2 (de) | 2000-10-05 |
Family
ID=9490946
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69701870T Expired - Lifetime DE69701870T2 (de) | 1996-04-01 | 1997-03-24 | Verfahren zur rückgewinnung von natrium das in industriellen alkaliabfällen enthalten ist |
Country Status (13)
Country | Link |
---|---|
US (1) | US6110377A (de) |
EP (1) | EP0891298B1 (de) |
JP (1) | JP2000507540A (de) |
AU (1) | AU720685B2 (de) |
BR (1) | BR9710650A (de) |
CA (1) | CA2251626C (de) |
DE (1) | DE69701870T2 (de) |
ES (1) | ES2145593T3 (de) |
FR (1) | FR2746786B1 (de) |
GR (1) | GR3033803T3 (de) |
HU (1) | HU223308B1 (de) |
OA (1) | OA10891A (de) |
WO (1) | WO1997036823A1 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050194319A1 (en) * | 2004-03-08 | 2005-09-08 | Paul Wegner | Ion exchange process |
DE602004021768D1 (de) | 2004-04-14 | 2009-08-13 | Repsol Quimica Sa | Verfahren zur Behandlung von natriumhaltigen Schwerrückständen und den auf diese Weise hergestellter Treibstoff |
CA2784249C (en) | 2006-02-09 | 2015-08-11 | Alcoa Inc. | Methods, apparatus and systems for polishing wastewater utilizing, natural media filtration |
US20100276360A1 (en) * | 2007-02-08 | 2010-11-04 | Alcoa Inc. | Methods, apparatus and systems for polishing wastewater utilizing natural media filtration |
WO2009009824A1 (en) * | 2007-07-13 | 2009-01-22 | Alcoa Of Australia Limited | Method for controlling the precipitation of alumina |
AU2011267932B2 (en) | 2010-06-14 | 2015-09-17 | Arconic Inc. | Wastewater treatment system and method for removal of contaminants via mixed metal oxide beds |
EP2648829A1 (de) * | 2010-12-08 | 2013-10-16 | Mohammed Olfi | Alkaliasche mit flugasche und ähnliche nebenprodukte aus ionenaustausch/umkehrosmose-verfahren zur herstellung von natriumcarbonat |
WO2013104059A1 (en) * | 2012-01-10 | 2013-07-18 | Orbite Aluminae Inc. | Processes for treating red mud |
WO2014110417A1 (en) | 2013-01-11 | 2014-07-17 | Alcoa Inc. | Wastewater treatment systems and methods |
KR101754147B1 (ko) | 2015-02-12 | 2017-07-06 | 충남대학교산학협력단 | 지르코늄 함유 산세 폐액으로부터 지르코늄의 선택적인 분리방법 |
CN110002467A (zh) * | 2019-04-12 | 2019-07-12 | 中国科学院青海盐湖研究所 | 电池级碳酸锂生产中氢氧化钠溶液的纯化方法及其应用 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
HU172752B (hu) * | 1976-10-29 | 1978-12-28 | Magyar Aluminium | Sposob selektivnogo izvlechenija natrija iz krasnogo shlama glinozjomnykh fabrik |
US4172783A (en) * | 1977-01-12 | 1979-10-30 | The Permutit Company, Inc. | Condensate purification process by use of dilute clear lime solution |
CA1108319A (en) * | 1977-11-18 | 1981-09-01 | Horst Pohland | Disposal of thixotropic muds |
JPS57149805A (en) * | 1981-03-06 | 1982-09-16 | Showa Alum Ind Kk | Manufacture of inorganic oxide or hydroxide freed of ionic impurity |
GB8617387D0 (en) * | 1986-07-16 | 1986-08-20 | Alcan Int Ltd | Alumina hydrates |
GB9215438D0 (en) * | 1992-07-21 | 1992-09-02 | Davy Mckee Stockton | Process |
-
1996
- 1996-04-01 FR FR9604288A patent/FR2746786B1/fr not_active Expired - Fee Related
-
1997
- 1997-03-24 WO PCT/FR1997/000513 patent/WO1997036823A1/fr active IP Right Grant
- 1997-03-24 AU AU22982/97A patent/AU720685B2/en not_active Ceased
- 1997-03-24 ES ES97915545T patent/ES2145593T3/es not_active Expired - Lifetime
- 1997-03-24 BR BR9710650A patent/BR9710650A/pt not_active IP Right Cessation
- 1997-03-24 DE DE69701870T patent/DE69701870T2/de not_active Expired - Lifetime
- 1997-03-24 CA CA002251626A patent/CA2251626C/fr not_active Expired - Fee Related
- 1997-03-24 JP JP9534968A patent/JP2000507540A/ja not_active Ceased
- 1997-03-24 HU HU9902577A patent/HU223308B1/hu not_active IP Right Cessation
- 1997-03-24 EP EP97915545A patent/EP0891298B1/de not_active Expired - Lifetime
- 1997-04-01 US US08/831,419 patent/US6110377A/en not_active Expired - Lifetime
-
1998
- 1998-09-30 OA OA9800186A patent/OA10891A/fr unknown
-
2000
- 2000-06-28 GR GR20000401502T patent/GR3033803T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
JP2000507540A (ja) | 2000-06-20 |
EP0891298A1 (de) | 1999-01-20 |
WO1997036823A1 (fr) | 1997-10-09 |
AU720685B2 (en) | 2000-06-08 |
DE69701870T2 (de) | 2000-10-05 |
FR2746786B1 (fr) | 1998-04-30 |
US6110377A (en) | 2000-08-29 |
CA2251626C (fr) | 2005-10-25 |
AU2298297A (en) | 1997-10-22 |
GR3033803T3 (en) | 2000-10-31 |
HUP9902577A2 (hu) | 1999-12-28 |
CA2251626A1 (fr) | 1997-10-09 |
ES2145593T3 (es) | 2000-07-01 |
FR2746786A1 (fr) | 1997-10-03 |
EP0891298B1 (de) | 2000-05-03 |
BR9710650A (pt) | 1999-08-17 |
HU223308B1 (hu) | 2004-05-28 |
OA10891A (fr) | 2003-02-21 |
HUP9902577A3 (en) | 2001-11-28 |
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