JPS51136597A - Method for processing mother solution of sodium dithionite anhydride production - Google Patents
Method for processing mother solution of sodium dithionite anhydride productionInfo
- Publication number
- JPS51136597A JPS51136597A JP50059570A JP5957075A JPS51136597A JP S51136597 A JPS51136597 A JP S51136597A JP 50059570 A JP50059570 A JP 50059570A JP 5957075 A JP5957075 A JP 5957075A JP S51136597 A JPS51136597 A JP S51136597A
- Authority
- JP
- Japan
- Prior art keywords
- sodium dithionite
- mother solution
- anhydride production
- processing mother
- anhydride
- 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
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- -1 sodium dithionite anhydride Chemical class 0.000 title abstract 2
- 239000010413 mother solution Substances 0.000 title 1
- 239000004280 Sodium formate Substances 0.000 abstract 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract 2
- HLBBKKJFGFRGMU-UHFFFAOYSA-M sodium formate Chemical compound [Na+].[O-]C=O HLBBKKJFGFRGMU-UHFFFAOYSA-M 0.000 abstract 2
- 235000019254 sodium formate Nutrition 0.000 abstract 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 1
- 229910000102 alkali metal hydride Inorganic materials 0.000 abstract 1
- 150000001340 alkali metals Chemical class 0.000 abstract 1
- 239000006227 byproduct Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- DHCDFWKWKRSZHF-UHFFFAOYSA-N sulfurothioic S-acid Chemical compound OS(O)(=O)=S DHCDFWKWKRSZHF-UHFFFAOYSA-N 0.000 abstract 1
- 235000010269 sulphur dioxide Nutrition 0.000 abstract 1
- 239000002351 wastewater Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
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-)
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50059570A JPS51136597A (en) | 1975-05-21 | 1975-05-21 | Method for processing mother solution of sodium dithionite anhydride production |
US05/687,447 US4042674A (en) | 1975-05-21 | 1976-05-18 | Process for treating the mother liquor by cooling in the production of anhydrous sodium dithionite |
ES448077A ES448077A1 (es) | 1975-05-21 | 1976-05-19 | Un procedimiento para tratar las aguas madres en la produc- cion de ditionito sodico anhidro. |
GB2065976A GB1504087A (en) | 1975-05-21 | 1976-05-19 | Process for treating the mother liquor in the production of anhydrous sodium dithionite |
FR7615369A FR2311752A1 (fr) | 1975-05-21 | 1976-05-21 | Traitement des liqueurs residuaires de la fabrication de dithionite de sodium |
DE19762622952 DE2622952C3 (de) | 1975-05-21 | 1976-05-21 | Verfahren zur Herstellung von wasserfreiem Natriumdithionit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
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 |
---|---|
JPS51136597A true JPS51136597A (en) | 1976-11-26 |
JPS5335879B2 JPS5335879B2 (ja) | 1978-09-29 |
Family
ID=13117020
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50059570A Granted JPS51136597A (en) | 1975-05-21 | 1975-05-21 | Method for processing mother solution of sodium dithionite anhydride production |
Country Status (2)
Country | Link |
---|---|
US (1) | US4042674A (ja) |
JP (1) | JPS51136597A (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5941925B2 (ja) * | 1980-03-06 | 1984-10-11 | 三菱瓦斯化学株式会社 | 亜二チオン酸塩の製造法 |
JPS57209809A (en) * | 1981-06-18 | 1982-12-23 | Mitsubishi Gas Chem Co Inc | Preparation of dithionite |
US4590058A (en) * | 1985-02-21 | 1986-05-20 | Olin Corporation | Process for producing high purity solutions of alkali metal hydrosulfites |
DE102004053090A1 (de) * | 2004-11-03 | 2006-05-04 | Basf Ag | Verfahren zur Herstellung von Natriumdithionit |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3718732A (en) * | 1971-01-13 | 1973-02-27 | Virginia Chemicals Inc | Method of recovering chemical values from a formate-sodium hydrosulfite reaction mixture |
JPS4716413U (ja) * | 1971-03-18 | 1972-10-26 | ||
JPS4717132U (ja) * | 1971-03-26 | 1972-10-27 | ||
US3961034A (en) * | 1974-09-25 | 1976-06-01 | Virginia Chemicals Inc. | Method of removing sodium thiosulfate from a hydrosulfite reaction mixture |
-
1975
- 1975-05-21 JP JP50059570A patent/JPS51136597A/ja active Granted
-
1976
- 1976-05-18 US US05/687,447 patent/US4042674A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4042674A (en) | 1977-08-16 |
JPS5335879B2 (ja) | 1978-09-29 |
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