DD283794A5 - Verfahren zur herstellung von kaliumkarbonat - Google Patents
Verfahren zur herstellung von kaliumkarbonat Download PDFInfo
- Publication number
- DD283794A5 DD283794A5 DD89328248A DD32824889A DD283794A5 DD 283794 A5 DD283794 A5 DD 283794A5 DD 89328248 A DD89328248 A DD 89328248A DD 32824889 A DD32824889 A DD 32824889A DD 283794 A5 DD283794 A5 DD 283794A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- mother liquor
- crystallization
- potassium carbonate
- double salt
- potassium
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 title description 2
- 239000012452 mother liquor Substances 0.000 claims abstract description 39
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims abstract description 31
- 238000002425 crystallisation Methods 0.000 claims abstract description 25
- 230000008025 crystallization Effects 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 25
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 22
- 150000003839 salts Chemical class 0.000 claims abstract description 17
- 229910000027 potassium carbonate Inorganic materials 0.000 claims abstract description 15
- 238000000926 separation method Methods 0.000 claims abstract description 13
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 11
- 238000001704 evaporation Methods 0.000 claims abstract description 7
- 230000008020 evaporation Effects 0.000 claims abstract description 7
- 229910001415 sodium ion Inorganic materials 0.000 claims abstract description 5
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- -1 salt potassium sodium carbonate Chemical class 0.000 claims abstract description 4
- 239000013078 crystal Substances 0.000 claims description 15
- 238000005406 washing Methods 0.000 claims description 12
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 10
- 229910052700 potassium Inorganic materials 0.000 claims description 10
- 239000011591 potassium Substances 0.000 claims description 10
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 claims description 4
- WWVGGBSGYNQKCY-UHFFFAOYSA-J tetrapotassium;dicarbonate;trihydrate Chemical compound O.O.O.[K+].[K+].[K+].[K+].[O-]C([O-])=O.[O-]C([O-])=O WWVGGBSGYNQKCY-UHFFFAOYSA-J 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 2
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 abstract description 3
- 235000011181 potassium carbonates Nutrition 0.000 abstract 2
- 235000015320 potassium carbonate Nutrition 0.000 abstract 1
- 239000011734 sodium Substances 0.000 description 22
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 12
- 229910052708 sodium Inorganic materials 0.000 description 10
- 239000000047 product Substances 0.000 description 9
- 239000000725 suspension Substances 0.000 description 7
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000001103 potassium chloride Substances 0.000 description 3
- 235000011164 potassium chloride Nutrition 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 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
- 239000012141 concentrate Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- MYTMXVHNEWBFAL-UHFFFAOYSA-L dipotassium;carbonate;hydrate Chemical compound O.[K+].[K+].[O-]C([O-])=O MYTMXVHNEWBFAL-UHFFFAOYSA-L 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- VLYFRFHWUBBLRR-UHFFFAOYSA-L potassium;sodium;carbonate Chemical class [Na+].[K+].[O-]C([O-])=O VLYFRFHWUBBLRR-UHFFFAOYSA-L 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D7/00—Carbonates of sodium, potassium or alkali metals in general
- C01D7/22—Purification
- C01D7/24—Crystallisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3816061A DE3816061C1 (en) | 1988-05-06 | 1988-05-06 | Process for preparing potassium carbonate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD283794A5 true DD283794A5 (de) | 1990-10-24 |
Family
ID=6354134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD89328248A DD283794A5 (de) | 1988-05-06 | 1989-05-04 | Verfahren zur herstellung von kaliumkarbonat |
Country Status (4)
| Country | Link |
|---|---|
| DD (1) | DD283794A5 (it) |
| DE (1) | DE3816061C1 (it) |
| FR (1) | FR2631019B1 (it) |
| IT (1) | IT1230132B (it) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19504554C2 (de) * | 1995-02-11 | 1997-03-27 | Huels Chemische Werke Ag | Herstellung von Pottasche in Pharmaqualität |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE191105C (it) * | ||||
| DE861556C (de) * | 1945-01-03 | 1953-01-05 | Wacker Chemie Gmbh | Verfahren zum Abtrennen von Natriumcarbonat aus solches enthaltenden waessrigen Kaliumcarbonatloesungen |
| DE1233373B (de) * | 1963-01-07 | 1967-02-02 | Dynamit Nobel Ag | Verfahren zur Herstellung von Pottasche-Loesungen |
| DE2025610B2 (de) * | 1970-05-26 | 1971-07-29 | Verfahren zur herstellung von kaliumcarbonat hydrat |
-
1988
- 1988-05-06 DE DE3816061A patent/DE3816061C1/de not_active Expired
-
1989
- 1989-04-28 IT IT8920324A patent/IT1230132B/it active
- 1989-05-03 FR FR8905895A patent/FR2631019B1/fr not_active Expired - Fee Related
- 1989-05-04 DD DD89328248A patent/DD283794A5/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2631019B1 (fr) | 1992-10-16 |
| DE3816061C1 (en) | 1989-08-03 |
| IT8920324A0 (it) | 1989-04-28 |
| IT1230132B (it) | 1991-10-14 |
| FR2631019A1 (fr) | 1989-11-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ENJ | Ceased due to non-payment of renewal fee |