FR2360586A1 - Procede de raffinage de derive sode de saccharine - Google Patents
Procede de raffinage de derive sode de saccharineInfo
- Publication number
- FR2360586A1 FR2360586A1 FR7723474A FR7723474A FR2360586A1 FR 2360586 A1 FR2360586 A1 FR 2360586A1 FR 7723474 A FR7723474 A FR 7723474A FR 7723474 A FR7723474 A FR 7723474A FR 2360586 A1 FR2360586 A1 FR 2360586A1
- Authority
- FR
- France
- Prior art keywords
- saccharin
- derivative
- pump
- column
- refining process
- 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
- 238000000034 method Methods 0.000 title abstract 3
- 238000007670 refining Methods 0.000 title abstract 2
- FTLYMKDSHNWQKD-UHFFFAOYSA-N (2,4,5-trichlorophenyl)boronic acid Chemical class OB(O)C1=CC(Cl)=C(Cl)C=C1Cl FTLYMKDSHNWQKD-UHFFFAOYSA-N 0.000 title 1
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 abstract 3
- 229940081974 saccharin Drugs 0.000 abstract 3
- 235000019204 saccharin Nutrition 0.000 abstract 3
- 239000000901 saccharin and its Na,K and Ca salt Substances 0.000 abstract 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical class [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 2
- 239000012045 crude solution Substances 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- CVHZOJJKTDOEJC-UHFFFAOYSA-N saccharin Chemical compound C1=CC=C2C(=O)NS(=O)(=O)C2=C1 CVHZOJJKTDOEJC-UHFFFAOYSA-N 0.000 abstract 1
- 150000003385 sodium Chemical class 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D275/00—Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings
- C07D275/04—Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings condensed with carbocyclic rings or ring systems
- C07D275/06—Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings condensed with carbocyclic rings or ring systems with hetero atoms directly attached to the ring sulfur atom
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Extraction Or Liquid Replacement (AREA)
- Cosmetics (AREA)
- Seasonings (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU75518A LU75518A1 (enExample) | 1976-08-02 | 1976-08-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2360586A1 true FR2360586A1 (fr) | 1978-03-03 |
| FR2360586B1 FR2360586B1 (enExample) | 1980-03-21 |
Family
ID=19728315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7723474A Granted FR2360586A1 (fr) | 1976-08-02 | 1977-07-29 | Procede de raffinage de derive sode de saccharine |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4158006A (enExample) |
| JP (1) | JPS5318774A (enExample) |
| DD (1) | DD130579A5 (enExample) |
| DE (1) | DE2730861A1 (enExample) |
| ES (1) | ES461163A1 (enExample) |
| FR (1) | FR2360586A1 (enExample) |
| GB (1) | GB1580715A (enExample) |
| IN (1) | IN146418B (enExample) |
| IT (1) | IT1079385B (enExample) |
| LU (1) | LU75518A1 (enExample) |
| SE (1) | SE7708777L (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103508974B (zh) * | 2012-06-28 | 2016-02-17 | 张卫民 | 一种处理邻磺酰胺苯甲酸甲酯结晶母液的方法 |
| CN110776476B (zh) * | 2019-12-02 | 2021-06-08 | 北京海泰天正医药科技有限公司 | 药用级邻苯甲酰磺酰亚胺盐及其制备方法 |
| CN115745908A (zh) * | 2022-11-16 | 2023-03-07 | 河南莱伯瑞特科技有限公司 | 1,1-二氧代-1,2-苯并异噻唑-3(2h)-酮钠盐结晶工艺 |
| CN116589429A (zh) * | 2023-05-22 | 2023-08-15 | 江西富味特生物技术有限公司 | 一种颗粒状糖精钠的制备方法及其制备系统 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3988344A (en) * | 1975-06-10 | 1976-10-26 | Daiwa Kasei Kabushiki Kaisha | Process for purifying saccharin |
-
1976
- 1976-08-02 LU LU75518A patent/LU75518A1/xx unknown
-
1977
- 1977-07-08 DE DE19772730861 patent/DE2730861A1/de not_active Withdrawn
- 1977-07-15 IN IN1092/CAL/77A patent/IN146418B/en unknown
- 1977-07-25 JP JP8847577A patent/JPS5318774A/ja active Pending
- 1977-07-27 US US05/819,255 patent/US4158006A/en not_active Expired - Lifetime
- 1977-07-27 IT IT50455/77A patent/IT1079385B/it active
- 1977-07-28 DD DD7700200328A patent/DD130579A5/xx unknown
- 1977-07-29 ES ES461163A patent/ES461163A1/es not_active Expired
- 1977-07-29 FR FR7723474A patent/FR2360586A1/fr active Granted
- 1977-08-01 GB GB32121/77A patent/GB1580715A/en not_active Expired
- 1977-08-01 SE SE7708777A patent/SE7708777L/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| IN146418B (enExample) | 1979-05-26 |
| DE2730861A1 (de) | 1978-02-09 |
| FR2360586B1 (enExample) | 1980-03-21 |
| US4158006A (en) | 1979-06-12 |
| JPS5318774A (en) | 1978-02-21 |
| DD130579A5 (de) | 1978-04-12 |
| IT1079385B (it) | 1985-05-08 |
| SE7708777L (sv) | 1978-02-03 |
| ES461163A1 (es) | 1978-12-01 |
| GB1580715A (en) | 1980-12-03 |
| LU75518A1 (enExample) | 1978-02-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4032616A (en) | Process for the production of sodium bicarbonate from diaphram cell liquors | |
| FR2364203A1 (fr) | Procede de production d'uree et d'epuration d'eau | |
| FR2377448A1 (fr) | Preparation d'un extrait de houblon | |
| GB1142864A (en) | Crystallisation process | |
| GB1197859A (en) | Fluidized Bed Crystallization | |
| FR2443516A1 (fr) | Procede pour regenerer des acides de picklage | |
| FR2360586A1 (fr) | Procede de raffinage de derive sode de saccharine | |
| FR2442820A1 (fr) | Procede perfectionne pour purifier des produits organiques bromes | |
| FR2423505A1 (fr) | Procede de lavage d'une solution de polycarbonate dans un solvant organique | |
| DE3161389D1 (en) | A crystallization column and method for performing a crystallization in such a column | |
| FR2433966A1 (fr) | Colonne de lavage en continu d'un lit tasse | |
| FR2392695A1 (fr) | Procede et dispositif pour la separation de matieres par cristallisation | |
| SU546276A3 (ru) | Способ очистки винилхлорида | |
| FR2385429A1 (fr) | Procede et appareil pour la separation d'emulsions par coalescence | |
| FR2430250A1 (fr) | Procede pour separer un gaz et une vapeur condensable | |
| FR2375329A1 (fr) | Procede d'elimination d'impuretes d'une masse fondue d'aluminium | |
| FR2365515A1 (fr) | Procede et dispositif pour l'obtention de brome de grande purete | |
| GB1377322A (en) | Process for preparing trifluoroacetic acid | |
| SU361803A1 (ru) | Способ очистки от хлора отбросных газов хлоратного производства | |
| FR2392930A1 (fr) | Purification du chlore par formation de cristaux d'hydrate de chlore | |
| BE905524A (fr) | Procede de demethanolisation des solutions reseiduaires de la reaction de synthese du chlorure de methyle. | |
| GB1317242A (en) | Solvent recovery | |
| FR2371401A1 (fr) | Procede pour augmenter le rendement en composes aromatiques au cours de la distillation extractive | |
| GB1387322A (en) | Crystallization purification process and apparatus | |
| FR2411158A1 (fr) | Procede de purification du chlorure de potassium cristallin |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |