FR2489292A1 - Procede de reduction de la teneur en chlorure de sodium d'un sel de potassium - Google Patents
Procede de reduction de la teneur en chlorure de sodium d'un sel de potassium Download PDFInfo
- Publication number
- FR2489292A1 FR2489292A1 FR8018883A FR8018883A FR2489292A1 FR 2489292 A1 FR2489292 A1 FR 2489292A1 FR 8018883 A FR8018883 A FR 8018883A FR 8018883 A FR8018883 A FR 8018883A FR 2489292 A1 FR2489292 A1 FR 2489292A1
- Authority
- FR
- France
- Prior art keywords
- brine
- crystalline
- sodium chloride
- potassium
- less
- 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.)
- Granted
Links
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 title claims abstract description 142
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 title claims abstract description 110
- 239000011780 sodium chloride Substances 0.000 title claims abstract description 69
- 239000001103 potassium chloride Substances 0.000 title claims abstract description 56
- 235000011164 potassium chloride Nutrition 0.000 title claims abstract description 56
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 title claims abstract description 31
- 229910052939 potassium sulfate Inorganic materials 0.000 title claims abstract description 10
- 235000011151 potassium sulphates Nutrition 0.000 title claims abstract description 10
- 239000001120 potassium sulphate Substances 0.000 title claims abstract 3
- 238000005406 washing Methods 0.000 title claims description 10
- 159000000001 potassium salts Chemical class 0.000 title abstract description 8
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 title 1
- 238000000034 method Methods 0.000 claims abstract description 36
- 238000002386 leaching Methods 0.000 claims abstract description 35
- 239000002245 particle Substances 0.000 claims abstract description 21
- 239000013078 crystal Substances 0.000 claims abstract description 20
- 239000002178 crystalline material Substances 0.000 claims abstract description 15
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims abstract description 9
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 61
- 239000012267 brine Substances 0.000 claims description 60
- 229920006395 saturated elastomer Polymers 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 11
- 238000012856 packing Methods 0.000 claims description 8
- 230000000717 retained effect Effects 0.000 claims description 2
- 238000009941 weaving Methods 0.000 claims 1
- 150000003839 salts Chemical class 0.000 abstract description 6
- 238000001953 recrystallisation Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 description 32
- 238000002425 crystallisation Methods 0.000 description 13
- 238000000926 separation method Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- 238000000227 grinding Methods 0.000 description 10
- 230000008025 crystallization Effects 0.000 description 9
- 238000001035 drying Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000012065 filter cake Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 238000005056 compaction Methods 0.000 description 3
- 239000011591 potassium Substances 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- 239000000725 suspension Substances 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
- 238000001816 cooling Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 208000003351 Melanosis Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000001640 fractional crystallisation Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002562 thickening agent Substances 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
- C01D3/00—Halides of sodium, potassium or alkali metals in general
- C01D3/14—Purification
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general
- C01D5/16—Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8018883A FR2489292A1 (fr) | 1980-09-01 | 1980-09-01 | Procede de reduction de la teneur en chlorure de sodium d'un sel de potassium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8018883A FR2489292A1 (fr) | 1980-09-01 | 1980-09-01 | Procede de reduction de la teneur en chlorure de sodium d'un sel de potassium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2489292A1 true FR2489292A1 (fr) | 1982-03-05 |
| FR2489292B1 FR2489292B1 (enExample) | 1983-08-12 |
Family
ID=9245547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8018883A Granted FR2489292A1 (fr) | 1980-09-01 | 1980-09-01 | Procede de reduction de la teneur en chlorure de sodium d'un sel de potassium |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2489292A1 (enExample) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2009724A (en) * | 1977-12-08 | 1979-06-20 | Ppg Ind Canada Ltd | Process for purifying crystalline potassium chloride |
-
1980
- 1980-09-01 FR FR8018883A patent/FR2489292A1/fr active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2009724A (en) * | 1977-12-08 | 1979-06-20 | Ppg Ind Canada Ltd | Process for purifying crystalline potassium chloride |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2489292B1 (enExample) | 1983-08-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |