FR2037005A1 - Low-impurity aluminium oxide from bauxite - Google Patents
Low-impurity aluminium oxide from bauxiteInfo
- Publication number
- FR2037005A1 FR2037005A1 FR6913900A FR6913900A FR2037005A1 FR 2037005 A1 FR2037005 A1 FR 2037005A1 FR 6913900 A FR6913900 A FR 6913900A FR 6913900 A FR6913900 A FR 6913900A FR 2037005 A1 FR2037005 A1 FR 2037005A1
- Authority
- FR
- France
- Prior art keywords
- bauxite
- al2o3
- impurities
- low
- aluminium oxide
- 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
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title abstract 6
- 239000012535 impurity Substances 0.000 title abstract 4
- 229910001570 bauxite Inorganic materials 0.000 title abstract 2
- 229910052593 corundum Inorganic materials 0.000 abstract 3
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 3
- 239000000203 mixture Substances 0.000 abstract 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 abstract 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 abstract 1
- 229920002125 Sokalan® Polymers 0.000 abstract 1
- 229920002472 Starch Polymers 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 229920001577 copolymer Polymers 0.000 abstract 1
- 230000029087 digestion Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000000178 monomer Substances 0.000 abstract 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 abstract 1
- 229920000058 polyacrylate Polymers 0.000 abstract 1
- 239000004584 polyacrylic acid Substances 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- 235000019698 starch Nutrition 0.000 abstract 1
- 239000008107 starch Substances 0.000 abstract 1
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
- C01F7/04—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
- C01F7/0646—Separation of the insoluble residue, e.g. of red mud
- C01F7/0653—Separation of the insoluble residue, e.g. of red mud characterised by the flocculant added to the slurry
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL6906483A NL6906483A (enrdf_load_stackoverflow) | 1969-04-30 | 1969-04-25 | |
FR6913900A FR2037005A1 (en) | 1969-04-30 | 1969-04-30 | Low-impurity aluminium oxide from bauxite |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6913900A FR2037005A1 (en) | 1969-04-30 | 1969-04-30 | Low-impurity aluminium oxide from bauxite |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2037005A1 true FR2037005A1 (en) | 1970-12-31 |
FR2037005B1 FR2037005B1 (enrdf_load_stackoverflow) | 1973-04-06 |
Family
ID=9033348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6913900A Granted FR2037005A1 (en) | 1969-04-30 | 1969-04-30 | Low-impurity aluminium oxide from bauxite |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2037005A1 (enrdf_load_stackoverflow) |
NL (1) | NL6906483A (enrdf_load_stackoverflow) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2487325A1 (fr) * | 1980-07-23 | 1982-01-29 | American Cyanamid Co | Procede de floculation de boues rouges dans la preparation de l'alumine |
FR2518985A1 (fr) * | 1981-12-30 | 1983-07-01 | American Cyanamid Co | Procede de recuperation d'alumine |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1470568A (fr) * | 1965-03-04 | 1967-02-24 | Atlas Chem Ind | Procédé de floculation et composition pour sa mise en oeuvre |
-
1969
- 1969-04-25 NL NL6906483A patent/NL6906483A/xx unknown
- 1969-04-30 FR FR6913900A patent/FR2037005A1/fr active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1470568A (fr) * | 1965-03-04 | 1967-02-24 | Atlas Chem Ind | Procédé de floculation et composition pour sa mise en oeuvre |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2487325A1 (fr) * | 1980-07-23 | 1982-01-29 | American Cyanamid Co | Procede de floculation de boues rouges dans la preparation de l'alumine |
FR2518985A1 (fr) * | 1981-12-30 | 1983-07-01 | American Cyanamid Co | Procede de recuperation d'alumine |
Also Published As
Publication number | Publication date |
---|---|
FR2037005B1 (enrdf_load_stackoverflow) | 1973-04-06 |
NL6906483A (enrdf_load_stackoverflow) | 1970-10-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |