FR2491052A1 - Procede et dispositif de dissolution continue et de transformation plus poussee de l'aluminium dans les matieres premieres contenant de l'aluminium selon le procede bayer - Google Patents
Procede et dispositif de dissolution continue et de transformation plus poussee de l'aluminium dans les matieres premieres contenant de l'aluminium selon le procede bayer Download PDFInfo
- Publication number
- FR2491052A1 FR2491052A1 FR8110548A FR8110548A FR2491052A1 FR 2491052 A1 FR2491052 A1 FR 2491052A1 FR 8110548 A FR8110548 A FR 8110548A FR 8110548 A FR8110548 A FR 8110548A FR 2491052 A1 FR2491052 A1 FR 2491052A1
- Authority
- FR
- France
- Prior art keywords
- wall
- isolated
- stream
- mixed
- streams
- 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
- 238000000034 method Methods 0.000 title claims abstract description 37
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 10
- 239000002994 raw material Substances 0.000 title claims abstract description 7
- 238000004131 Bayer process Methods 0.000 title claims abstract description 5
- 238000004090 dissolution Methods 0.000 title abstract description 4
- 239000000463 material Substances 0.000 claims abstract description 69
- 230000003068 static effect Effects 0.000 claims abstract description 38
- 238000002156 mixing Methods 0.000 claims abstract description 36
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 9
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910001388 sodium aluminate Inorganic materials 0.000 claims abstract description 4
- 239000011261 inert gas Substances 0.000 claims abstract description 3
- 239000000654 additive Substances 0.000 claims abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract 3
- 238000009434 installation Methods 0.000 claims description 41
- 238000005192 partition Methods 0.000 claims description 41
- 238000005063 solubilization Methods 0.000 claims description 14
- 230000007928 solubilization Effects 0.000 claims description 14
- 238000013019 agitation Methods 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 230000001154 acute effect Effects 0.000 claims description 5
- 238000003303 reheating Methods 0.000 claims description 3
- 239000003599 detergent Substances 0.000 claims description 2
- 238000012986 modification Methods 0.000 claims description 2
- 230000004048 modification Effects 0.000 claims description 2
- 239000011344 liquid material Substances 0.000 claims 2
- 239000006193 liquid solution Substances 0.000 claims 1
- 230000035515 penetration Effects 0.000 claims 1
- 238000010992 reflux Methods 0.000 claims 1
- 230000000284 resting effect Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract description 8
- 239000002002 slurry Substances 0.000 abstract description 4
- 239000004411 aluminium Substances 0.000 abstract 2
- 230000000996 additive effect Effects 0.000 abstract 1
- 230000029087 digestion Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 7
- 230000007423 decrease Effects 0.000 description 5
- 239000007791 liquid phase Substances 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 238000010306 acid treatment Methods 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241001503485 Mammuthus Species 0.000 description 1
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- -1 aluminum compound Chemical class 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 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
- C01F7/062—Digestion
-
- 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
- C01F7/062—Digestion
- C01F7/064—Apparatus for digestion, e.g. digestor vessels or heat exchangers
Landscapes
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU802392A HU182807B (en) | 1980-10-01 | 1980-10-01 | Process for the continuous digestion and further treatment of the aluminium content of raw materials containing aluminium according to the bayer technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2491052A1 true FR2491052A1 (fr) | 1982-04-02 |
| FR2491052B1 FR2491052B1 (online.php) | 1983-03-04 |
Family
ID=10959122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8110548A Granted FR2491052A1 (fr) | 1980-10-01 | 1981-05-27 | Procede et dispositif de dissolution continue et de transformation plus poussee de l'aluminium dans les matieres premieres contenant de l'aluminium selon le procede bayer |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH656602A5 (online.php) |
| DE (1) | DE3136138C2 (online.php) |
| FR (1) | FR2491052A1 (online.php) |
| HU (1) | HU182807B (online.php) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT409350B (de) * | 2000-06-28 | 2002-07-25 | Kostjak Michael Dipl Ing Dr Te | Verfahren zum herauslösen von metallischem aluminium aus aluminiumhaltigen, festen abfällen |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3222141A (en) * | 1960-03-23 | 1965-12-07 | Kaiser Aluminium Chem Corp | Digesting apparatus |
| FR1523303A (fr) * | 1967-03-20 | 1968-05-03 | Pechiney | Procédé perfectionné d'attaque de la bauxite en milieu alcalin |
| FR2286199A1 (fr) * | 1974-09-28 | 1976-04-23 | Sumitomo Chemical Co | Procede d'extraction de l'alumine de minerais en contenant |
| FR2311577A1 (fr) * | 1975-05-21 | 1976-12-17 | Exxon France | Melangeur statique |
| FR2360514A1 (fr) * | 1976-08-06 | 1978-03-03 | Sumitomo Aluminium Smelting Co | Procede d'extraction de l'alumine de minerais en contenant |
| FR2376688A1 (fr) * | 1977-01-10 | 1978-08-04 | Anglian Water Authority | Procede et appareil pour former une dispersion aqueuse stable de produits a base de silicate |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE754657Q (fr) * | 1965-11-29 | 1971-01-18 | Kenics Corp | Appareil melangeur |
| CH537208A (de) * | 1971-04-29 | 1973-07-13 | Sulzer Ag | Mischeinrichtung für fliessfähige Medien |
| CH563802A5 (online.php) * | 1973-04-18 | 1975-07-15 | Sulzer Ag |
-
1980
- 1980-10-01 HU HU802392A patent/HU182807B/hu not_active IP Right Cessation
-
1981
- 1981-05-27 FR FR8110548A patent/FR2491052A1/fr active Granted
- 1981-09-11 DE DE3136138A patent/DE3136138C2/de not_active Expired
- 1981-09-23 CH CH6182/81A patent/CH656602A5/de not_active IP Right Cessation
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3222141A (en) * | 1960-03-23 | 1965-12-07 | Kaiser Aluminium Chem Corp | Digesting apparatus |
| FR1523303A (fr) * | 1967-03-20 | 1968-05-03 | Pechiney | Procédé perfectionné d'attaque de la bauxite en milieu alcalin |
| FR2286199A1 (fr) * | 1974-09-28 | 1976-04-23 | Sumitomo Chemical Co | Procede d'extraction de l'alumine de minerais en contenant |
| FR2311577A1 (fr) * | 1975-05-21 | 1976-12-17 | Exxon France | Melangeur statique |
| FR2360514A1 (fr) * | 1976-08-06 | 1978-03-03 | Sumitomo Aluminium Smelting Co | Procede d'extraction de l'alumine de minerais en contenant |
| FR2376688A1 (fr) * | 1977-01-10 | 1978-08-04 | Anglian Water Authority | Procede et appareil pour former une dispersion aqueuse stable de produits a base de silicate |
Also Published As
| Publication number | Publication date |
|---|---|
| CH656602A5 (de) | 1986-07-15 |
| DE3136138C2 (de) | 1986-03-13 |
| DE3136138A1 (de) | 1982-04-29 |
| FR2491052B1 (online.php) | 1983-03-04 |
| HU182807B (en) | 1984-03-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |