AU5245386A - Process for the production of aluminium hydroxide with low content of impurities, especially of iron, and with high degree of whiteness - Google Patents
Process for the production of aluminium hydroxide with low content of impurities, especially of iron, and with high degree of whitenessInfo
- Publication number
- AU5245386A AU5245386A AU52453/86A AU5245386A AU5245386A AU 5245386 A AU5245386 A AU 5245386A AU 52453/86 A AU52453/86 A AU 52453/86A AU 5245386 A AU5245386 A AU 5245386A AU 5245386 A AU5245386 A AU 5245386A
- Authority
- AU
- Australia
- Prior art keywords
- whiteness
- impurities
- iron
- production
- high degree
- 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
Classifications
-
- 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
- C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
- C01F7/47—Purification of aluminium oxide, aluminium hydroxide or aluminates of aluminates, e.g. removal of compounds of Si, Fe, Ga or of organic compounds from Bayer process liquors
-
- 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
- C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
- C01P2006/62—L* (lightness axis)
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Luminescent Compositions (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853501350 DE3501350A1 (en) | 1985-01-17 | 1985-01-17 | Process for preparing aluminium hydroxide having a low content of impurities, especially iron, and a high whiteness |
DE3501350 | 1985-01-17 | ||
DE19853545284 DE3545284A1 (en) | 1985-12-20 | 1985-12-20 | Process for preparing aluminium hydroxide having a low content of impurities, especially of iron, and high whiteness |
DE3545284 | 1985-12-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU5245386A true AU5245386A (en) | 1986-07-24 |
AU594035B2 AU594035B2 (en) | 1990-03-01 |
Family
ID=25828591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU52453/86A Ceased AU594035B2 (en) | 1985-01-17 | 1986-01-17 | Process for the production of aluminium hydroxide with low content of impurities, especially of iron, and with high degree of whiteness |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0188268A3 (en) |
AU (1) | AU594035B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU691716B2 (en) * | 1994-12-22 | 1998-05-21 | Aluminium Pechiney | Method for the removal of iron from sodium aluminate liquors resulting from alkaline attack on alumina-monohydrate-containing bauxite |
WO2002034673A1 (en) * | 2000-10-27 | 2002-05-02 | Nauveau Technology Investments Ltd | Processes and compositions for water treatment |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU661486B2 (en) * | 1991-07-19 | 1995-07-27 | Particle Engineered Hydrates Pty Ltd | Recovery of vanadium and aluminium values |
CN1297480C (en) * | 2002-03-05 | 2007-01-31 | 平顶山市汇源化学工业公司 | Process for removing organics from sodium Bayer process aluminate solution |
CA2672956C (en) | 2006-10-26 | 2015-02-10 | Amgen Inc. | Calcium receptor modulating agents |
WO2019227130A1 (en) * | 2018-05-28 | 2019-12-05 | Alcoa Of Australia Limited | Method for impurity control |
CA3100733A1 (en) * | 2018-05-28 | 2019-12-05 | Alcoa Of Australia Limited | Method for controlling the concentration of impurities in bayer liquors |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1489775A (en) * | 1966-06-01 | 1967-07-28 | Pechiney Prod Chimiques Sa | Process for purifying sodium aluminate liquors |
CA1044469A (en) * | 1974-04-17 | 1978-12-19 | Comalco Limited | Production of bauxite and aluminium chloride of low iron content |
DE2518431C3 (en) * | 1975-04-25 | 1982-02-04 | Giulini Chemie Gmbh, 6700 Ludwigshafen | Process for the removal of harmful organic compounds from the aluminate liquor produced during the extraction of alumina according to the Bayer process |
US4083925A (en) * | 1976-03-22 | 1978-04-11 | Martin Marietta Aluminum, Inc. | Method for removing ferrous iron from alkali metal aluminate liquor |
US4045234A (en) * | 1976-08-23 | 1977-08-30 | Kaiser Aluminum & Chemical Corporation | Process for producing high density sintered alumina |
-
1986
- 1986-01-14 EP EP86100397A patent/EP0188268A3/en not_active Withdrawn
- 1986-01-17 AU AU52453/86A patent/AU594035B2/en not_active Ceased
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU691716B2 (en) * | 1994-12-22 | 1998-05-21 | Aluminium Pechiney | Method for the removal of iron from sodium aluminate liquors resulting from alkaline attack on alumina-monohydrate-containing bauxite |
WO2002034673A1 (en) * | 2000-10-27 | 2002-05-02 | Nauveau Technology Investments Ltd | Processes and compositions for water treatment |
US7077963B2 (en) | 2000-10-27 | 2006-07-18 | Nauveau Technology Investments | Processes for water treatment |
Also Published As
Publication number | Publication date |
---|---|
AU594035B2 (en) | 1990-03-01 |
EP0188268A3 (en) | 1990-01-31 |
EP0188268A2 (en) | 1986-07-23 |
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