FR2477426A1 - Procede de cristallisation d'une solution par extraction de calories, utilisation dudit procede pour la purification de solutions aqueuses de soude et dispositif de mise en oeuvre correspondant - Google Patents
Procede de cristallisation d'une solution par extraction de calories, utilisation dudit procede pour la purification de solutions aqueuses de soude et dispositif de mise en oeuvre correspondant Download PDFInfo
- Publication number
- FR2477426A1 FR2477426A1 FR8004928A FR8004928A FR2477426A1 FR 2477426 A1 FR2477426 A1 FR 2477426A1 FR 8004928 A FR8004928 A FR 8004928A FR 8004928 A FR8004928 A FR 8004928A FR 2477426 A1 FR2477426 A1 FR 2477426A1
- Authority
- FR
- France
- Prior art keywords
- crystals
- primary
- solution
- crystallizer
- sodium hydroxide
- 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
- 239000013078 crystal Substances 0.000 title claims abstract description 46
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 title claims description 140
- 238000002425 crystallisation Methods 0.000 title claims description 20
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 title description 20
- 239000011780 sodium chloride Substances 0.000 title description 10
- 238000005057 refrigeration Methods 0.000 title description 3
- 239000003507 refrigerant Substances 0.000 claims abstract description 54
- 230000006835 compression Effects 0.000 claims abstract description 9
- 238000007906 compression Methods 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 239000000243 solution Substances 0.000 claims description 70
- 238000000034 method Methods 0.000 claims description 38
- 239000012530 fluid Substances 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 23
- 230000008025 crystallization Effects 0.000 claims description 19
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 11
- 239000002826 coolant Substances 0.000 claims description 11
- 239000010687 lubricating oil Substances 0.000 claims description 11
- 239000002002 slurry Substances 0.000 claims description 9
- 239000002904 solvent Substances 0.000 claims description 9
- 239000012535 impurity Substances 0.000 claims description 8
- 238000000746 purification Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 5
- 239000012452 mother liquor Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- 239000012809 cooling fluid Substances 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 2
- 229920006395 saturated elastomer Polymers 0.000 claims description 2
- 235000011121 sodium hydroxide Nutrition 0.000 claims 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 27
- 229910021529 ammonia Inorganic materials 0.000 abstract description 13
- 239000001273 butane Substances 0.000 abstract description 12
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 abstract description 12
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 abstract description 12
- 238000005265 energy consumption Methods 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 239000008235 industrial water Substances 0.000 description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000008016 vaporization Effects 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
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000001627 detrimental effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- WZWGGYFEOBVNLA-UHFFFAOYSA-N sodium;dihydrate Chemical compound O.O.[Na] WZWGGYFEOBVNLA-UHFFFAOYSA-N 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- KQTLORDYYALRNH-UHFFFAOYSA-M sodium;hydroxide;dihydrate Chemical compound O.O.[OH-].[Na+] KQTLORDYYALRNH-UHFFFAOYSA-M 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003466 welding Methods 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
- C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
- C01D1/04—Hydroxides
- C01D1/28—Purification; Separation
- C01D1/30—Purification; Separation by crystallisation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0004—Crystallisation cooling by heat exchange
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0036—Crystallisation on to a bed of product crystals; Seeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0059—General arrangements of crystallisation plant, e.g. flow sheets
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8004928A FR2477426A1 (fr) | 1980-03-05 | 1980-03-05 | Procede de cristallisation d'une solution par extraction de calories, utilisation dudit procede pour la purification de solutions aqueuses de soude et dispositif de mise en oeuvre correspondant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8004928A FR2477426A1 (fr) | 1980-03-05 | 1980-03-05 | Procede de cristallisation d'une solution par extraction de calories, utilisation dudit procede pour la purification de solutions aqueuses de soude et dispositif de mise en oeuvre correspondant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2477426A1 true FR2477426A1 (fr) | 1981-09-11 |
| FR2477426B3 FR2477426B3 (enExample) | 1982-12-17 |
Family
ID=9239334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8004928A Granted FR2477426A1 (fr) | 1980-03-05 | 1980-03-05 | Procede de cristallisation d'une solution par extraction de calories, utilisation dudit procede pour la purification de solutions aqueuses de soude et dispositif de mise en oeuvre correspondant |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2477426A1 (enExample) |
-
1980
- 1980-03-05 FR FR8004928A patent/FR2477426A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2477426B3 (enExample) | 1982-12-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CD | Change of name or company name |