FR2277771A1 - Procede de fabrication de cristaux de carbonate de sodium heptahydrate ou decahydrate - Google Patents
Procede de fabrication de cristaux de carbonate de sodium heptahydrate ou decahydrateInfo
- Publication number
- FR2277771A1 FR2277771A1 FR7521496A FR7521496A FR2277771A1 FR 2277771 A1 FR2277771 A1 FR 2277771A1 FR 7521496 A FR7521496 A FR 7521496A FR 7521496 A FR7521496 A FR 7521496A FR 2277771 A1 FR2277771 A1 FR 2277771A1
- Authority
- FR
- France
- Prior art keywords
- decahydrate
- heptahydrate
- sodium carbonate
- carbonate crystals
- manufacturing sodium
- 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
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 title 2
- 239000013078 crystal Substances 0.000 title 1
- 150000004691 decahydrates Chemical class 0.000 title 1
- 150000004688 heptahydrates Chemical class 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 229910000029 sodium carbonate Inorganic materials 0.000 title 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
- C01D7/35—Varying the content of water of crystallisation or the specific gravity
-
- 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
- B01D9/0013—Crystallisation cooling by heat exchange by indirect heat exchange
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/005—Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Electrolytic Production Of Metals (AREA)
- Sorption Type Refrigeration Machines (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE817423 | 1974-07-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2277771A1 true FR2277771A1 (fr) | 1976-02-06 |
| FR2277771B1 FR2277771B1 (enExample) | 1980-04-04 |
Family
ID=3861056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7521496A Granted FR2277771A1 (fr) | 1974-07-09 | 1975-07-07 | Procede de fabrication de cristaux de carbonate de sodium heptahydrate ou decahydrate |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE817423A (enExample) |
| DE (1) | DE2530447C2 (enExample) |
| ES (1) | ES439233A1 (enExample) |
| FR (1) | FR2277771A1 (enExample) |
| GB (1) | GB1496047A (enExample) |
| KE (1) | KE2860A (enExample) |
| NL (1) | NL180405C (enExample) |
-
1974
- 1974-07-09 BE BE146361A patent/BE817423A/xx not_active IP Right Cessation
-
1975
- 1975-07-07 FR FR7521496A patent/FR2277771A1/fr active Granted
- 1975-07-08 DE DE2530447A patent/DE2530447C2/de not_active Expired
- 1975-07-08 ES ES439233A patent/ES439233A1/es not_active Expired
- 1975-07-09 NL NLAANVRAGE7508181,A patent/NL180405C/xx not_active IP Right Cessation
- 1975-07-09 GB GB28868/75A patent/GB1496047A/en not_active Expired
-
1978
- 1978-07-21 KE KE2860A patent/KE2860A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| KE2860A (en) | 1978-08-04 |
| ES439233A1 (es) | 1977-02-16 |
| DE2530447C2 (de) | 1984-07-19 |
| NL180405B (nl) | 1986-09-16 |
| NL7508181A (nl) | 1976-01-13 |
| FR2277771B1 (enExample) | 1980-04-04 |
| BE817423A (fr) | 1974-11-04 |
| NL180405C (nl) | 1987-02-16 |
| GB1496047A (en) | 1977-12-21 |
| DE2530447A1 (de) | 1976-01-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |