GB1427310A - Process for producing naoh,3,5 h2o crystlas - Google Patents
Process for producing naoh,3,5 h2o crystlasInfo
- Publication number
- GB1427310A GB1427310A GB2347574A GB2347574A GB1427310A GB 1427310 A GB1427310 A GB 1427310A GB 2347574 A GB2347574 A GB 2347574A GB 2347574 A GB2347574 A GB 2347574A GB 1427310 A GB1427310 A GB 1427310A
- Authority
- GB
- United Kingdom
- Prior art keywords
- naoh
- crystals
- cooling
- homogeneous
- naoh solution
- 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.)
- Expired
Links
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 title abstract 46
- 238000000034 method Methods 0.000 title abstract 3
- 235000011121 sodium hydroxide Nutrition 0.000 abstract 15
- 239000013078 crystal Substances 0.000 abstract 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract 8
- 238000001816 cooling Methods 0.000 abstract 5
- 239000011780 sodium chloride Substances 0.000 abstract 4
- 238000007865 diluting Methods 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 239000008346 aqueous phase Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000012452 mother liquor Substances 0.000 abstract 1
- 229920006395 saturated elastomer Polymers 0.000 abstract 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
-
- 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
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5997173A JPS5147439B2 (enrdf_load_stackoverflow) | 1973-05-29 | 1973-05-29 | |
| JP14001073A JPS5120439B2 (enrdf_load_stackoverflow) | 1973-12-14 | 1973-12-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1427310A true GB1427310A (en) | 1976-03-10 |
Family
ID=26401032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2347574A Expired GB1427310A (en) | 1973-05-29 | 1974-05-24 | Process for producing naoh,3,5 h2o crystlas |
Country Status (7)
| Country | Link |
|---|---|
| BR (1) | BR7404394D0 (enrdf_load_stackoverflow) |
| DE (1) | DE2426282A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2231623B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1427310A (enrdf_load_stackoverflow) |
| IT (1) | IT1012898B (enrdf_load_stackoverflow) |
| MY (1) | MY7900215A (enrdf_load_stackoverflow) |
| PH (1) | PH11680A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0864534A1 (de) * | 1997-03-13 | 1998-09-16 | Basf Aktiengesellschaft | Verfahren zur Aufreinigung von Natronlauge |
-
1974
- 1974-05-24 GB GB2347574A patent/GB1427310A/en not_active Expired
- 1974-05-24 PH PH15859A patent/PH11680A/en unknown
- 1974-05-28 IT IT2327774A patent/IT1012898B/it active
- 1974-05-29 DE DE19742426282 patent/DE2426282A1/de active Pending
- 1974-05-29 BR BR439474A patent/BR7404394D0/pt unknown
- 1974-05-29 FR FR7418665A patent/FR2231623B1/fr not_active Expired
-
1979
- 1979-12-30 MY MY7900215A patent/MY7900215A/xx unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0864534A1 (de) * | 1997-03-13 | 1998-09-16 | Basf Aktiengesellschaft | Verfahren zur Aufreinigung von Natronlauge |
| US6113657A (en) * | 1997-03-13 | 2000-09-05 | Basf Aktiengesellschaft | Purification of caustic soda |
Also Published As
| Publication number | Publication date |
|---|---|
| PH11680A (en) | 1978-05-19 |
| IT1012898B (it) | 1977-03-10 |
| MY7900215A (en) | 1979-12-31 |
| BR7404394D0 (pt) | 1975-09-30 |
| FR2231623B1 (enrdf_load_stackoverflow) | 1978-01-13 |
| DE2426282A1 (de) | 1975-01-02 |
| FR2231623A1 (enrdf_load_stackoverflow) | 1974-12-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |