DE2262936A1 - Verfahren zur verringerung der bei der tonerdeherstellung nach dem bayer-verfahren auftretenden aetznatronverluste beziehungsweise zu deren ersatz - Google Patents
Verfahren zur verringerung der bei der tonerdeherstellung nach dem bayer-verfahren auftretenden aetznatronverluste beziehungsweise zu deren ersatzInfo
- Publication number
- DE2262936A1 DE2262936A1 DE2262936A DE2262936A DE2262936A1 DE 2262936 A1 DE2262936 A1 DE 2262936A1 DE 2262936 A DE2262936 A DE 2262936A DE 2262936 A DE2262936 A DE 2262936A DE 2262936 A1 DE2262936 A1 DE 2262936A1
- Authority
- DE
- Germany
- Prior art keywords
- salt
- loss
- bayer process
- content
- kacl
- 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.)
- Pending
Links
- 238000004131 Bayer process Methods 0.000 title claims description 14
- 238000000034 method Methods 0.000 title claims description 10
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 230000008569 process Effects 0.000 title description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 85
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 32
- 150000003839 salts Chemical class 0.000 claims description 20
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 13
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 7
- 239000003518 caustics Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims description 2
- 230000029142 excretion Effects 0.000 claims description 2
- 238000005530 etching Methods 0.000 claims 1
- 235000002639 sodium chloride Nutrition 0.000 description 27
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 18
- 230000029087 digestion Effects 0.000 description 14
- 229910052665 sodalite Inorganic materials 0.000 description 13
- 239000011734 sodium Substances 0.000 description 12
- 239000011780 sodium chloride Substances 0.000 description 10
- 239000000243 solution Substances 0.000 description 10
- 239000000203 mixture Substances 0.000 description 8
- BFRXZIMAUMUZJH-UHFFFAOYSA-M [OH-].[Na+].[Na+].[Na+].[Na+].[Al+3].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] Chemical compound [OH-].[Na+].[Na+].[Na+].[Na+].[Al+3].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] BFRXZIMAUMUZJH-UHFFFAOYSA-M 0.000 description 6
- 150000004645 aluminates Chemical class 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 159000000000 sodium salts Chemical class 0.000 description 4
- 229910001570 bauxite Inorganic materials 0.000 description 3
- 229910052663 cancrinite Inorganic materials 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000005185 salting out Methods 0.000 description 3
- 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 description 2
- 241001460678 Napo <wasp> Species 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 235000017550 sodium carbonate Nutrition 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 229910017090 AlO 2 Inorganic materials 0.000 description 1
- -1 Hydroxy soda Chemical compound 0.000 description 1
- 229910014142 Na—O Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 229940082150 encore Drugs 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000000936 intestine Anatomy 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 150000003388 sodium compounds Chemical class 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
- C01F7/0633—Digestion characterised by the use of additives
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Nutrition Science (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)
- Treatment Of Sludge (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HUAL019849 | 1971-12-30 | ||
| HUAL008074 | 1972-05-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2262936A1 true DE2262936A1 (de) | 1973-07-12 |
Family
ID=26318350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2262936A Pending DE2262936A1 (de) | 1971-12-30 | 1972-12-22 | Verfahren zur verringerung der bei der tonerdeherstellung nach dem bayer-verfahren auftretenden aetznatronverluste beziehungsweise zu deren ersatz |
Country Status (7)
| Country | Link |
|---|---|
| DE (1) | DE2262936A1 (enExample) |
| FR (1) | FR2166188B1 (enExample) |
| GB (1) | GB1436261A (enExample) |
| IN (1) | IN139739B (enExample) |
| IT (1) | IT976338B (enExample) |
| RO (1) | RO70968A (enExample) |
| SU (1) | SU450394A3 (enExample) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE678788C (de) * | 1936-05-12 | 1941-04-16 | Rudolf Scholder Dr | Aufschliessen von Bauxit und anderen tonerdehaltigen Stoffen durch Laugung |
-
1972
- 1972-12-22 DE DE2262936A patent/DE2262936A1/de active Pending
- 1972-12-28 IN IN2264/72A patent/IN139739B/en unknown
- 1972-12-28 RO RO7273348A patent/RO70968A/ro unknown
- 1972-12-29 SU SU721865533A patent/SU450394A3/ru active
- 1972-12-29 FR FR7246951A patent/FR2166188B1/fr not_active Expired
- 1972-12-29 IT IT7271272A patent/IT976338B/it active
-
1973
- 1973-05-18 GB GB2390073A patent/GB1436261A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2166188B1 (enExample) | 1975-11-07 |
| FR2166188A1 (enExample) | 1973-08-10 |
| IT976338B (it) | 1974-08-20 |
| RO70968A (ro) | 1981-08-17 |
| SU450394A3 (ru) | 1974-11-15 |
| IN139739B (enExample) | 1976-07-24 |
| GB1436261A (en) | 1976-05-19 |
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