JPS5316388A - Manufacturing process for sodium dithionite from sulfur dioxide and sodium formate and sodium carbonate using solvent of minimum quantity - Google Patents
Manufacturing process for sodium dithionite from sulfur dioxide and sodium formate and sodium carbonate using solvent of minimum quantityInfo
- Publication number
- JPS5316388A JPS5316388A JP7536077A JP7536077A JPS5316388A JP S5316388 A JPS5316388 A JP S5316388A JP 7536077 A JP7536077 A JP 7536077A JP 7536077 A JP7536077 A JP 7536077A JP S5316388 A JPS5316388 A JP S5316388A
- Authority
- JP
- Japan
- Prior art keywords
- sodium
- solvent
- manufacturing process
- sulfur dioxide
- minimum quantity
- 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-)
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Saccharide Compounds (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US69946276A | 1976-06-24 | 1976-06-24 | |
US80652777A | 1977-06-14 | 1977-06-14 | |
US806527 | 1977-06-14 | ||
US699462 | 1985-02-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5316388A true JPS5316388A (en) | 1978-02-15 |
JPS6020321B2 JPS6020321B2 (ja) | 1985-05-21 |
Family
ID=27106430
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52075360A Expired JPS6020321B2 (ja) | 1976-06-24 | 1977-06-24 | 最少の溶剤を使用して二酸化硫黄,蟻酸ナトリウム及び炭酸ナトリウムから亜二チオン酸ナトリウムを製造する方法 |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS6020321B2 (ja) |
CA (1) | CA1103888A (ja) |
DE (1) | DE2728316B2 (ja) |
FR (1) | FR2355775A1 (ja) |
GB (1) | GB1584626A (ja) |
IT (1) | IT1143585B (ja) |
MX (1) | MX147264A (ja) |
NO (1) | NO149884C (ja) |
SE (1) | SE418490B (ja) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3411875A (en) * | 1964-04-08 | 1968-11-19 | Mitsubishi Edogawa Kagaku Kk | Process for the production of anhydrous hydrosulfites |
DE1592013B2 (de) * | 1966-05-16 | 1972-08-24 | Mitsubishi Edogawa Kagaku K K , Tokio | Verfahren zur herstellung eines wasserfreien natrium-hyposulfits |
JPS4814316B1 (ja) * | 1969-01-10 | 1973-05-07 | ||
US3887695A (en) * | 1970-02-05 | 1975-06-03 | Virginia Chemicals Inc | Production of sodium hydrosulfite from formates |
GB1461785A (en) * | 1973-03-30 | 1977-01-19 | Boc Ltd | Alkali metal dithionite manufacture |
-
1977
- 1977-06-17 CA CA280,843A patent/CA1103888A/en not_active Expired
- 1977-06-20 NO NO77772165A patent/NO149884C/no unknown
- 1977-06-21 GB GB25816/77A patent/GB1584626A/en not_active Expired
- 1977-06-22 SE SE7707235A patent/SE418490B/xx not_active IP Right Cessation
- 1977-06-23 FR FR7719337A patent/FR2355775A1/fr active Granted
- 1977-06-23 IT IT49962/77A patent/IT1143585B/it active
- 1977-06-23 DE DE2728316A patent/DE2728316B2/de active Granted
- 1977-06-24 MX MX169610A patent/MX147264A/es unknown
- 1977-06-24 JP JP52075360A patent/JPS6020321B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
SE7707235L (sv) | 1977-12-25 |
GB1584626A (en) | 1981-02-18 |
DE2728316C3 (ja) | 1990-08-23 |
FR2355775B1 (ja) | 1984-04-13 |
JPS6020321B2 (ja) | 1985-05-21 |
FR2355775A1 (fr) | 1978-01-20 |
NO772165L (no) | 1977-12-28 |
NO149884B (no) | 1984-04-02 |
DE2728316B2 (de) | 1980-10-23 |
SE418490B (sv) | 1981-06-09 |
CA1103888A (en) | 1981-06-30 |
IT1143585B (it) | 1986-10-22 |
NO149884C (no) | 1984-07-11 |
MX147264A (es) | 1982-10-29 |
DE2728316A1 (de) | 1978-01-05 |
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