IT1202407B - METHOD FOR THE PRODUCTION OF SODIUM SULPHITE ANHYDROUS - Google Patents
METHOD FOR THE PRODUCTION OF SODIUM SULPHITE ANHYDROUSInfo
- Publication number
- IT1202407B IT1202407B IT6715177A IT6715177A IT1202407B IT 1202407 B IT1202407 B IT 1202407B IT 6715177 A IT6715177 A IT 6715177A IT 6715177 A IT6715177 A IT 6715177A IT 1202407 B IT1202407 B IT 1202407B
- Authority
- IT
- Italy
- Prior art keywords
- production
- sodium sulphite
- sulphite anhydrous
- anhydrous
- sodium
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general
- C01D5/14—Preparation of sulfites
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Compounds Of Iron (AREA)
- Paper (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/653,876 US4003985A (en) | 1976-01-30 | 1976-01-30 | Production of sodium sulfite |
US05/711,326 US4112061A (en) | 1976-01-30 | 1976-08-03 | Production of sodium sulfite utilizing mother liquor from the sodium metabisulfite process |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1202407B true IT1202407B (en) | 1989-02-09 |
Family
ID=27096610
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT6715177A IT1202407B (en) | 1976-01-30 | 1977-01-25 | METHOD FOR THE PRODUCTION OF SODIUM SULPHITE ANHYDROUS |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS6054887B2 (en) |
BR (1) | BR7700565A (en) |
CA (1) | CA1093786A (en) |
DE (1) | DE2703480A1 (en) |
ES (1) | ES455395A1 (en) |
FR (1) | FR2339573A1 (en) |
GB (1) | GB1520698A (en) |
IT (1) | IT1202407B (en) |
MX (1) | MX143611A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2940697C2 (en) * | 1979-10-08 | 1982-02-25 | Hoechst Ag, 6000 Frankfurt | Process for the production of sodium sulfite |
WO2009062984A1 (en) * | 2007-11-12 | 2009-05-22 | Solvay Chemicals, Inc. | Method of decarbonation and its use in producing crystalline sodium sulfite or other alkali products |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1096883B (en) * | 1959-09-25 | 1961-01-12 | Basf Ag | Process for the production of solid alkali sulfite |
DE1186450B (en) * | 1963-04-05 | 1965-02-04 | Basf Ag | Process for the production of pure sodium bisulfite and sulfite |
BE657772A (en) * | 1963-12-30 | |||
PL89623B1 (en) * | 1973-12-27 | 1976-11-30 | ||
JPS5322192A (en) * | 1976-08-13 | 1978-03-01 | Nisso Kinzoku Kk | Manufacturing process for higher purity sodium sulfite anhydride |
-
1977
- 1977-01-20 FR FR7701591A patent/FR2339573A1/en active Granted
- 1977-01-25 IT IT6715177A patent/IT1202407B/en active
- 1977-01-27 ES ES455395A patent/ES455395A1/en not_active Expired
- 1977-01-27 MX MX16784177A patent/MX143611A/en unknown
- 1977-01-28 JP JP860377A patent/JPS6054887B2/en not_active Expired
- 1977-01-28 CA CA270,648A patent/CA1093786A/en not_active Expired
- 1977-01-28 GB GB356677A patent/GB1520698A/en not_active Expired
- 1977-01-28 BR BR7700565A patent/BR7700565A/en unknown
- 1977-01-28 DE DE19772703480 patent/DE2703480A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2339573B1 (en) | 1982-10-01 |
GB1520698A (en) | 1978-08-09 |
CA1093786A (en) | 1981-01-20 |
JPS5294895A (en) | 1977-08-09 |
ES455395A1 (en) | 1978-03-01 |
BR7700565A (en) | 1977-10-04 |
DE2703480A1 (en) | 1977-08-04 |
DE2703480C2 (en) | 1988-03-10 |
JPS6054887B2 (en) | 1985-12-02 |
MX143611A (en) | 1981-06-10 |
FR2339573A1 (en) | 1977-08-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19950131 |