FR2277772B1 - - Google Patents
Info
- Publication number
- FR2277772B1 FR2277772B1 FR7521497A FR7521497A FR2277772B1 FR 2277772 B1 FR2277772 B1 FR 2277772B1 FR 7521497 A FR7521497 A FR 7521497A FR 7521497 A FR7521497 A FR 7521497A FR 2277772 B1 FR2277772 B1 FR 2277772B1
- Authority
- FR
- France
- 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.)
- Expired
Links
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
-
- 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
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)
- Moulds For Moulding Plastics Or The Like (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE146360A BE817422A (en) | 1974-07-09 | 1974-07-09 | PROCESS FOR MANUFACTURING SODIUM CARBONATE CRYSTALS HEPTAHYDRATE OR DECAHYDRATE. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2277772A1 FR2277772A1 (en) | 1976-02-06 |
| FR2277772B1 true FR2277772B1 (en) | 1977-07-22 |
Family
ID=3842681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7521497A Granted FR2277772A1 (en) | 1974-07-09 | 1975-07-07 | Crystallation of sodium carbonate hydrates - by heat exchange using copper, nickel or chromium (coated) heat exchange tubes |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE817422A (en) |
| DE (1) | DE2524591A1 (en) |
| ES (1) | ES438910A1 (en) |
| FR (1) | FR2277772A1 (en) |
| IT (1) | IT1038617B (en) |
| NL (1) | NL7508178A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108939603B (en) * | 2018-09-06 | 2021-06-18 | 四川金象赛瑞化工股份有限公司 | Method for directly cooling and crystallizing in process of separating sodium sulfate and ammonium sulfate |
| CN109336134B (en) * | 2018-10-19 | 2021-04-30 | 四川金象赛瑞化工股份有限公司 | Carbonization process adopting refrigerant for cooling |
-
1974
- 1974-07-09 BE BE146360A patent/BE817422A/en not_active IP Right Cessation
-
1975
- 1975-05-30 IT IT2392175A patent/IT1038617B/en active
- 1975-06-03 DE DE19752524591 patent/DE2524591A1/en not_active Withdrawn
- 1975-06-27 ES ES438910A patent/ES438910A1/en not_active Expired
- 1975-07-07 FR FR7521497A patent/FR2277772A1/en active Granted
- 1975-07-09 NL NL7508178A patent/NL7508178A/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| BE817422A (en) | 1974-11-04 |
| DE2524591A1 (en) | 1976-01-22 |
| FR2277772A1 (en) | 1976-02-06 |
| IT1038617B (en) | 1979-11-30 |
| ES438910A1 (en) | 1977-02-01 |
| NL7508178A (en) | 1976-01-13 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CD | Change of name or company name | ||
| ST | Notification of lapse |