DE2522509A1 - Verfahren zur reinigung der loesungen in einer chloralkalianlage - Google Patents
Verfahren zur reinigung der loesungen in einer chloralkalianlageInfo
- Publication number
- DE2522509A1 DE2522509A1 DE19752522509 DE2522509A DE2522509A1 DE 2522509 A1 DE2522509 A1 DE 2522509A1 DE 19752522509 DE19752522509 DE 19752522509 DE 2522509 A DE2522509 A DE 2522509A DE 2522509 A1 DE2522509 A1 DE 2522509A1
- Authority
- DE
- Germany
- Prior art keywords
- solution
- sulfate
- calcium
- chloride
- solutions
- 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- Withdrawn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
- 238000000034 method Methods 0.000 title claims description 16
- 238000004140 cleaning Methods 0.000 title 1
- HFFLGKNGCAIQMO-UHFFFAOYSA-N trichloroacetaldehyde Chemical compound ClC(Cl)(Cl)C=O HFFLGKNGCAIQMO-UHFFFAOYSA-N 0.000 title 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 36
- 239000000243 solution Substances 0.000 claims description 35
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 25
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 24
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 22
- 239000001110 calcium chloride Substances 0.000 claims description 16
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 16
- 239000011780 sodium chloride Substances 0.000 claims description 11
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 10
- 239000001103 potassium chloride Substances 0.000 claims description 5
- 235000011164 potassium chloride Nutrition 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 239000003153 chemical reaction reagent Substances 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 239000010802 sludge Substances 0.000 description 19
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 235000011132 calcium sulphate Nutrition 0.000 description 15
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 10
- 229910021653 sulphate ion Inorganic materials 0.000 description 10
- 239000007788 liquid Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- 239000002244 precipitate Substances 0.000 description 7
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- 229910052938 sodium sulfate Inorganic materials 0.000 description 5
- 235000011152 sodium sulphate Nutrition 0.000 description 5
- 229910001514 alkali metal chloride Inorganic materials 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 4
- 239000001175 calcium sulphate Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 241000607479 Yersinia pestis Species 0.000 description 3
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 3
- 238000005868 electrolysis reaction Methods 0.000 description 3
- 238000010979 pH adjustment Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 1
- 229910052936 alkali metal sulfate Inorganic materials 0.000 description 1
- 150000001553 barium compounds Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000003843 chloralkali process Methods 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 229910001902 chlorine oxide Inorganic materials 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000003845 mercury-cell process Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000002699 waste material 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
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2255874A GB1500288A (en) | 1974-05-21 | 1974-05-21 | Purification of brine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2522509A1 true DE2522509A1 (de) | 1975-12-04 |
Family
ID=10181367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752522509 Withdrawn DE2522509A1 (de) | 1974-05-21 | 1975-05-21 | Verfahren zur reinigung der loesungen in einer chloralkalianlage |
Country Status (7)
| Country | Link |
|---|---|
| AU (1) | AU8129675A (enExample) |
| BE (1) | BE829214A (enExample) |
| DE (1) | DE2522509A1 (enExample) |
| FR (1) | FR2272035B1 (enExample) |
| GB (1) | GB1500288A (enExample) |
| LU (1) | LU72529A1 (enExample) |
| NL (1) | NL7505788A (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2782709B1 (fr) * | 1998-08-26 | 2001-02-02 | Solvay | Procede pour la production de cristaux de chlorure de sodium |
| CN1304292C (zh) * | 2002-01-31 | 2007-03-14 | 科学和工业研究委员会 | 从盐卤中回收低钠盐的方法 |
| EP1470077B8 (en) | 2002-01-31 | 2007-10-10 | Council of Scientific and Industrial Research | A process for recovery of low sodium salt from bittern |
| US7014832B2 (en) | 2004-03-30 | 2006-03-21 | Council Of Scientific And Industrial Research | Simultaneous recovery of potassium chloride and KCL enriched edible salt |
| CN100411988C (zh) * | 2005-09-23 | 2008-08-20 | 清华大学 | 工业氯化钾的除钙提纯方法 |
| DE102007058701A1 (de) * | 2007-12-06 | 2009-06-10 | Bayer Materialscience Ag | Verfahren zur Herstellung von Diarylcarbonat |
-
1974
- 1974-05-21 GB GB2255874A patent/GB1500288A/en not_active Expired
-
1975
- 1975-05-16 BE BE156477A patent/BE829214A/xx not_active IP Right Cessation
- 1975-05-16 NL NL7505788A patent/NL7505788A/xx unknown
- 1975-05-19 AU AU81296/75A patent/AU8129675A/en not_active Expired
- 1975-05-20 FR FR7515699A patent/FR2272035B1/fr not_active Expired
- 1975-05-20 LU LU72529A patent/LU72529A1/xx unknown
- 1975-05-21 DE DE19752522509 patent/DE2522509A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| AU8129675A (en) | 1976-11-25 |
| FR2272035A1 (enExample) | 1975-12-19 |
| BE829214A (fr) | 1975-09-15 |
| NL7505788A (nl) | 1975-11-25 |
| LU72529A1 (enExample) | 1975-10-08 |
| GB1500288A (en) | 1978-02-08 |
| FR2272035B1 (enExample) | 1978-09-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8141 | Disposal/no request for examination |