FR2311752A1 - TREATMENT OF WASTE LIQUORS FROM THE MANUFACTURING OF SODIUM DITHIONITE - Google Patents
TREATMENT OF WASTE LIQUORS FROM THE MANUFACTURING OF SODIUM DITHIONITEInfo
- Publication number
- FR2311752A1 FR2311752A1 FR7615369A FR7615369A FR2311752A1 FR 2311752 A1 FR2311752 A1 FR 2311752A1 FR 7615369 A FR7615369 A FR 7615369A FR 7615369 A FR7615369 A FR 7615369A FR 2311752 A1 FR2311752 A1 FR 2311752A1
- Authority
- FR
- France
- Prior art keywords
- manufacturing
- treatment
- sodium dithionite
- waste liquors
- liquors
- 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
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/64—Thiosulfates; Dithionites; Polythionates
- C01B17/66—Dithionites or hydrosulfites (S2O42-)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50059569A JPS51136596A (en) | 1975-05-21 | 1975-05-21 | Method for processing mot her liquid in the production of sodium dithionite |
JP50059570A JPS51136597A (en) | 1975-05-21 | 1975-05-21 | Method for processing mother solution of sodium dithionite anhydride production |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2311752A1 true FR2311752A1 (en) | 1976-12-17 |
FR2311752B1 FR2311752B1 (en) | 1980-09-19 |
Family
ID=26400615
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7615369A Granted FR2311752A1 (en) | 1975-05-21 | 1976-05-21 | TREATMENT OF WASTE LIQUORS FROM THE MANUFACTURING OF SODIUM DITHIONITE |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2622952C3 (en) |
ES (1) | ES448077A1 (en) |
FR (1) | FR2311752A1 (en) |
GB (1) | GB1504087A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0192438A2 (en) * | 1985-02-21 | 1986-08-27 | Olin Corporation | Process for producing high purity solutions of alkali metal hydrosulfites |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2016353A1 (en) * | 1989-05-23 | 1990-11-23 | Charles E. Winslow, Jr. | Method for re-use of aqueous co-product from manufacture of sodium dithionite |
DE102004053090A1 (en) * | 2004-11-03 | 2006-05-04 | Basf Ag | Process for the preparation of sodium dithionite |
US7759273B2 (en) * | 2005-04-20 | 2010-07-20 | Cabot Corporation | Methods of forming an alkali metal salt |
-
1976
- 1976-05-19 GB GB2065976A patent/GB1504087A/en not_active Expired
- 1976-05-19 ES ES448077A patent/ES448077A1/en not_active Expired
- 1976-05-21 FR FR7615369A patent/FR2311752A1/en active Granted
- 1976-05-21 DE DE19762622952 patent/DE2622952C3/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0192438A2 (en) * | 1985-02-21 | 1986-08-27 | Olin Corporation | Process for producing high purity solutions of alkali metal hydrosulfites |
EP0192438A3 (en) * | 1985-02-21 | 1987-07-29 | Olin Corporation | Process for producing high purity solutions of alkali metal hydrosulfites |
Also Published As
Publication number | Publication date |
---|---|
DE2622952C3 (en) | 1979-09-27 |
DE2622952A1 (en) | 1976-11-25 |
ES448077A1 (en) | 1977-07-01 |
DE2622952B2 (en) | 1979-02-01 |
FR2311752B1 (en) | 1980-09-19 |
GB1504087A (en) | 1978-03-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |