DE2808424A1 - Verfahren zur gewinnung von kristallen von natriumcarbonatmonohydrat - Google Patents
Verfahren zur gewinnung von kristallen von natriumcarbonatmonohydratInfo
- Publication number
- DE2808424A1 DE2808424A1 DE19782808424 DE2808424A DE2808424A1 DE 2808424 A1 DE2808424 A1 DE 2808424A1 DE 19782808424 DE19782808424 DE 19782808424 DE 2808424 A DE2808424 A DE 2808424A DE 2808424 A1 DE2808424 A1 DE 2808424A1
- Authority
- DE
- Germany
- Prior art keywords
- sodium hydroxide
- sodium carbonate
- solution
- mother liquor
- carbonate monohydrate
- 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
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7709256A FR2384717A1 (fr) | 1977-03-25 | 1977-03-25 | Procede pour l'obtention de cristaux de carbonate de sodium monohydrate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2808424A1 true DE2808424A1 (de) | 1978-10-05 |
| DE2808424C2 DE2808424C2 (US07922777-20110412-C00004.png) | 1988-06-09 |
Family
ID=9188672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19782808424 Granted DE2808424A1 (de) | 1977-03-25 | 1978-02-27 | Verfahren zur gewinnung von kristallen von natriumcarbonatmonohydrat |
Country Status (14)
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5288472A (en) * | 1993-02-08 | 1994-02-22 | Ruiz Raymundo L | Process for the recovery of the sodium hydroxide and sodium chloride from the effluent of a diaphragm cell as solid sodium bicarbonate |
| US5788947A (en) * | 1994-08-09 | 1998-08-04 | Ruiz-Luna; Raymundo | Method for the production of anhydrous alkali metal carbonates |
| US5766270A (en) * | 1996-05-21 | 1998-06-16 | Tg Soda Ash, Inc. | Solution mining of carbonate/bicarbonate deposits to produce soda ash |
| US6322767B1 (en) | 1996-05-21 | 2001-11-27 | Fmc Corporation | Process for making sodium carbonate decahydrate from sodium carbonate/bicarbonate liquors |
| US5955043A (en) * | 1996-08-29 | 1999-09-21 | Tg Soda Ash, Inc. | Production of sodium carbonate from solution mine brine |
| WO1999038801A1 (en) * | 1998-01-28 | 1999-08-05 | Environmental Projects, Inc. | Sodium carbonate recrystallization |
| US6609761B1 (en) | 1999-01-08 | 2003-08-26 | American Soda, Llp | Sodium carbonate and sodium bicarbonate production from nahcolitic oil shale |
| US6464736B1 (en) | 1999-08-05 | 2002-10-15 | Environmental Projects, Inc. | Recrystallization process |
| FR2882998B1 (fr) * | 2005-03-08 | 2007-06-08 | Solvay | Procede pour l'obtention de cristaux de carbonate de sodium |
| FR2883008B1 (fr) * | 2005-03-08 | 2007-04-27 | Solvay | Procede pour l'obtention conjointe de chlore et de cristaux de carbonate monohydrate |
| EP1900688A1 (en) * | 2006-09-14 | 2008-03-19 | SOLVAY (Société Anonyme) | Method for obtaining sodium carbonate crystals |
| JP2014015639A (ja) * | 2012-07-06 | 2014-01-30 | Hitachi Ltd | 塩排水の処理方法及び装置 |
| CN104674346B (zh) * | 2013-11-26 | 2018-03-09 | 中国科学院新疆理化技术研究所 | 化合物一水合碳酸钠非线性光学晶体及其制备方法和用途 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3628919A (en) * | 1968-10-29 | 1971-12-21 | Allied Chem | Crystallization procedure for sodium carbonate precursor crystals |
| DE2106786B2 (de) * | 1971-02-12 | 1973-07-12 | Verfahren zur herstellung von natriumcarbonat-monohydrat aus einer nach dem diaphragmen-verfahren gebildeten natronlauge |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR597474A (fr) | 1924-05-03 | 1925-11-21 | Perfectionnements aux chaluts de pêche | |
| GB924245A (en) | 1959-11-27 | 1963-04-24 | Ici Ltd | Sodium carbonate manufacture |
| US3975503A (en) * | 1970-12-08 | 1976-08-17 | Kali-Chemie Aktiengesellschaft | Method for producing alkali carbonate |
| DE2132922B2 (de) * | 1971-07-02 | 1972-12-14 | Zieren Chemiebau Gmbh Dr A | Verfahren zur herstellung von natriumcarbonat-monohydrat aus einer nach dem diaphragmen-verfahren gebildeten natronlauge |
-
1977
- 1977-03-25 FR FR7709256A patent/FR2384717A1/fr active Granted
-
1978
- 1978-02-16 NL NL7801779A patent/NL7801779A/xx active Search and Examination
- 1978-02-27 DE DE19782808424 patent/DE2808424A1/de active Granted
- 1978-02-28 PT PT67713A patent/PT67713B/pt unknown
- 1978-03-21 BE BE1008776A patent/BE865102A/xx not_active IP Right Cessation
- 1978-03-21 GB GB11132/78A patent/GB1589410A/en not_active Expired
- 1978-03-22 BR BR7801799A patent/BR7801799A/pt unknown
- 1978-03-22 ES ES468165A patent/ES468165A1/es not_active Expired
- 1978-03-22 JP JP3358078A patent/JPS53119298A/ja active Pending
- 1978-03-22 CH CH317778A patent/CH629163A5/fr not_active IP Right Cessation
- 1978-03-23 IT IT7821577A patent/IT1094198B/it active
- 1978-03-23 CA CA299,696A patent/CA1109634A/fr not_active Expired
- 1978-03-24 US US05/890,013 patent/US4260594A/en not_active Expired - Lifetime
- 1978-03-24 AT AT213478A patent/AT356142B/de not_active IP Right Cessation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3628919A (en) * | 1968-10-29 | 1971-12-21 | Allied Chem | Crystallization procedure for sodium carbonate precursor crystals |
| DE2106786B2 (de) * | 1971-02-12 | 1973-07-12 | Verfahren zur herstellung von natriumcarbonat-monohydrat aus einer nach dem diaphragmen-verfahren gebildeten natronlauge |
Also Published As
| Publication number | Publication date |
|---|---|
| ES468165A1 (es) | 1979-01-01 |
| AT356142B (de) | 1980-04-10 |
| BR7801799A (pt) | 1978-12-19 |
| PT67713B (fr) | 1979-07-27 |
| IT7821577A0 (it) | 1978-03-23 |
| GB1589410A (en) | 1981-05-13 |
| FR2384717B1 (US07922777-20110412-C00004.png) | 1980-01-11 |
| BE865102A (fr) | 1978-09-21 |
| IT1094198B (it) | 1985-07-26 |
| DE2808424C2 (US07922777-20110412-C00004.png) | 1988-06-09 |
| US4260594A (en) | 1981-04-07 |
| PT67713A (fr) | 1978-03-01 |
| FR2384717A1 (fr) | 1978-10-20 |
| AU3338678A (en) | 1979-08-23 |
| ATA213478A (de) | 1979-09-15 |
| CH629163A5 (fr) | 1982-04-15 |
| CA1109634A (fr) | 1981-09-29 |
| NL7801779A (nl) | 1978-09-27 |
| JPS53119298A (en) | 1978-10-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8128 | New person/name/address of the agent |
Representative=s name: LEDERER, F., DIPL.-CHEM. DR., PAT.-ANW., 8000 MUEN |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |