DE1667811B1 - Verfahren zum abtrennen von natriumcarbonat aus den beim alkalischen baucitaufschluss erhaltenen natriumaluminiuminat loesungen - Google Patents
Verfahren zum abtrennen von natriumcarbonat aus den beim alkalischen baucitaufschluss erhaltenen natriumaluminiuminat loesungenInfo
- Publication number
- DE1667811B1 DE1667811B1 DE19681667811 DE1667811A DE1667811B1 DE 1667811 B1 DE1667811 B1 DE 1667811B1 DE 19681667811 DE19681667811 DE 19681667811 DE 1667811 A DE1667811 A DE 1667811A DE 1667811 B1 DE1667811 B1 DE 1667811B1
- Authority
- DE
- Germany
- Prior art keywords
- sodium carbonate
- concentrated
- sodium
- digestion
- solution
- 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.)
- Withdrawn
Links
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 title claims description 30
- 229910000029 sodium carbonate Inorganic materials 0.000 title claims description 14
- 230000029087 digestion Effects 0.000 title claims description 8
- 238000000034 method Methods 0.000 title claims description 8
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 title claims description 7
- 229910001388 sodium aluminate Inorganic materials 0.000 title claims description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 39
- 239000011734 sodium Substances 0.000 claims description 19
- 239000013078 crystal Substances 0.000 claims description 11
- 229910001570 bauxite Inorganic materials 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 150000004684 trihydrates Chemical class 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 239000000243 solution Substances 0.000 description 18
- 235000011121 sodium hydroxide Nutrition 0.000 description 12
- 235000017550 sodium carbonate Nutrition 0.000 description 10
- 239000000725 suspension Substances 0.000 description 6
- 238000000926 separation method Methods 0.000 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 description 3
- 150000004645 aluminates Chemical class 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000004131 Bayer process Methods 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- RREGISFBPQOLTM-UHFFFAOYSA-N alumane;trihydrate Chemical compound O.O.O.[AlH3] RREGISFBPQOLTM-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007787 solid Substances 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
- C01F7/46—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
- C01F7/473—Removal of organic compounds, e.g. sodium oxalate
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR99395A FR1523304A (fr) | 1967-03-20 | 1967-03-20 | Procédé de purification des solutions industrielles d'aluminate de sodium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1667811B1 true DE1667811B1 (de) | 1971-11-18 |
Family
ID=8627175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19681667811 Withdrawn DE1667811B1 (de) | 1967-03-20 | 1968-03-18 | Verfahren zum abtrennen von natriumcarbonat aus den beim alkalischen baucitaufschluss erhaltenen natriumaluminiuminat loesungen |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3560148A (enExample) |
| DE (1) | DE1667811B1 (enExample) |
| FR (1) | FR1523304A (enExample) |
| GB (1) | GB1226812A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113912093A (zh) * | 2021-09-29 | 2022-01-11 | 靖西天桂铝业有限公司 | 一种氧化铝生产蒸发母液增浓和排碳酸钠盐方法 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4036931A (en) * | 1976-06-25 | 1977-07-19 | Kaiser Aluminum & Chemical Corporation | Bayer process production of alumina |
| FR2834979B1 (fr) * | 2002-01-21 | 2004-02-20 | Pechiney Aluminium | Solubilisation des carbonates par recyclage des condensats lors de l'attaque sous pression des bauxites a monohydrates |
-
1967
- 1967-03-20 FR FR99395A patent/FR1523304A/fr not_active Expired
-
1968
- 1968-03-15 US US713315A patent/US3560148A/en not_active Expired - Lifetime
- 1968-03-18 DE DE19681667811 patent/DE1667811B1/de not_active Withdrawn
- 1968-03-19 GB GB1226812D patent/GB1226812A/en not_active Expired
Non-Patent Citations (1)
| Title |
|---|
| None * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113912093A (zh) * | 2021-09-29 | 2022-01-11 | 靖西天桂铝业有限公司 | 一种氧化铝生产蒸发母液增浓和排碳酸钠盐方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1226812A (enExample) | 1971-03-31 |
| US3560148A (en) | 1971-02-02 |
| FR1523304A (fr) | 1968-05-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8339 | Ceased/non-payment of the annual fee |