HU182807B - Process for the continuous digestion and further treatment of the aluminium content of raw materials containing aluminium according to the bayer technology - Google Patents
Process for the continuous digestion and further treatment of the aluminium content of raw materials containing aluminium according to the bayer technology Download PDFInfo
- Publication number
- HU182807B HU182807B HU802392A HU239280A HU182807B HU 182807 B HU182807 B HU 182807B HU 802392 A HU802392 A HU 802392A HU 239280 A HU239280 A HU 239280A HU 182807 B HU182807 B HU 182807B
- Authority
- HU
- Hungary
- Prior art keywords
- streams
- raw materials
- digestion
- optionally
- aluminum
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000029087 digestion Effects 0.000 title claims abstract description 21
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 18
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 239000002994 raw material Substances 0.000 title claims abstract description 9
- 238000005516 engineering process Methods 0.000 title claims description 6
- 239000004411 aluminium Substances 0.000 title abstract 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 230000003068 static effect Effects 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 239000000654 additive Substances 0.000 claims abstract description 3
- 230000000996 additive effect Effects 0.000 claims abstract description 3
- 239000011734 sodium Substances 0.000 claims description 4
- 229910001948 sodium oxide Inorganic materials 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 abstract description 20
- 239000002002 slurry Substances 0.000 abstract description 17
- 238000004090 dissolution Methods 0.000 abstract description 7
- 238000004131 Bayer process Methods 0.000 abstract description 5
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 abstract description 4
- 229910001388 sodium aluminate Inorganic materials 0.000 abstract description 4
- 239000011261 inert gas Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 229910001570 bauxite Inorganic materials 0.000 description 17
- 239000002245 particle Substances 0.000 description 11
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000001556 precipitation Methods 0.000 description 5
- 235000011121 sodium hydroxide Nutrition 0.000 description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 235000010755 mineral Nutrition 0.000 description 3
- 239000000470 constituent Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 235000012054 meals Nutrition 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 208000008454 Hyperhidrosis Diseases 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- XFBXDGLHUSUNMG-UHFFFAOYSA-N alumane;hydrate Chemical class O.[AlH3] XFBXDGLHUSUNMG-UHFFFAOYSA-N 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- DNEHKUCSURWDGO-UHFFFAOYSA-N aluminum sodium Chemical compound [Na].[Al] DNEHKUCSURWDGO-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 208000013219 diaphoresis Diseases 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910001679 gibbsite Inorganic materials 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052604 silicate mineral Inorganic materials 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- -1 silicic acid compound Chemical class 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000007704 transition 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)
Priority Applications (4)
| 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 |
| FR8110548A 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 |
| DE3136138A DE3136138C2 (de) | 1980-10-01 | 1981-09-11 | Vorrichtung zum kontinuierlichen Aufschließen und Weiterverarbeiten des Aluminiums von aluminiumhaltigen Rohstoffen nach dem Bayer-Verfahren |
| CH6182/81A CH656602A5 (de) | 1980-10-01 | 1981-09-23 | Verfahren zum kontinuierlichen loesen bzw. aufschliessen des aluminiumgehaltes von aluminiumhaltigen rohstoffen nach dem bayer-verfahren. |
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 (1)
| Publication Number | Publication Date |
|---|---|
| HU182807B true HU182807B (en) | 1984-03-28 |
Family
ID=10959122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH656602A5 (env) |
| DE (1) | DE3136138C2 (env) |
| FR (1) | FR2491052A1 (env) |
| HU (1) | HU182807B (env) |
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 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3222141A (en) * | 1960-03-23 | 1965-12-07 | Kaiser Aluminium Chem Corp | Digesting apparatus |
| BE754657Q (fr) * | 1965-11-29 | 1971-01-18 | Kenics Corp | Appareil melangeur |
| FR1523303A (fr) * | 1967-03-20 | 1968-05-03 | Pechiney | Procédé perfectionné d'attaque de la bauxite en milieu alcalin |
| CH537208A (de) * | 1971-04-29 | 1973-07-13 | Sulzer Ag | Mischeinrichtung für fliessfähige Medien |
| CH563802A5 (env) * | 1973-04-18 | 1975-07-15 | Sulzer Ag | |
| JPS5422198B2 (env) * | 1974-09-28 | 1979-08-04 | ||
| FR2311577A1 (fr) * | 1975-05-21 | 1976-12-17 | Exxon France | Melangeur statique |
| JPS5319199A (en) * | 1976-08-06 | 1978-02-22 | Sumitomo Chem Co Ltd | Extracting method for alumina from alumina-containing ore |
| 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 |
-
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
Also Published As
| Publication number | Publication date |
|---|---|
| CH656602A5 (de) | 1986-07-15 |
| DE3136138C2 (de) | 1986-03-13 |
| FR2491052A1 (fr) | 1982-04-02 |
| DE3136138A1 (de) | 1982-04-29 |
| FR2491052B1 (env) | 1983-03-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| HU90 | Patent valid on 900628 | ||
| HMM4 | Cancellation of final prot. due to non-payment of fee |