NO168699C - Fremgangsmaate ved fremstilling av for natriumditionittfremstilling anvendbare blandinger og anvendelse av slike blandinger. - Google Patents
Fremgangsmaate ved fremstilling av for natriumditionittfremstilling anvendbare blandinger og anvendelse av slike blandinger.Info
- Publication number
- NO168699C NO168699C NO861801A NO861801A NO168699C NO 168699 C NO168699 C NO 168699C NO 861801 A NO861801 A NO 861801A NO 861801 A NO861801 A NO 861801A NO 168699 C NO168699 C NO 168699C
- Authority
- NO
- Norway
- Prior art keywords
- sulphur dioxide
- mixtures
- preparation
- sodium
- procedures
- Prior art date
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-)
-
- 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)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Treating Waste Gases (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Extraction Or Liquid Replacement (AREA)
- Saccharide Compounds (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/731,296 US4680136A (en) | 1985-05-07 | 1985-05-07 | Method for preparing compositions which can be used in the production of sodium dithionite; and the use of such compositions |
Publications (3)
Publication Number | Publication Date |
---|---|
NO861801L NO861801L (no) | 1986-11-10 |
NO168699B NO168699B (no) | 1991-12-16 |
NO168699C true NO168699C (no) | 1992-03-25 |
Family
ID=24938913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO861801A NO168699C (no) | 1985-05-07 | 1986-05-06 | Fremgangsmaate ved fremstilling av for natriumditionittfremstilling anvendbare blandinger og anvendelse av slike blandinger. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4680136A (de) |
EP (1) | EP0202210B1 (de) |
AT (1) | ATE50750T1 (de) |
DE (1) | DE3669302D1 (de) |
FI (1) | FI79826C (de) |
NO (1) | NO168699C (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IN172015B (de) * | 1986-01-03 | 1993-03-13 | Thiokol Morton Inc | |
US4859447A (en) * | 1986-12-22 | 1989-08-22 | Morton Thiokol, Inc. | Process for the production of sodium hydrosulfite |
US4788041A (en) * | 1986-12-22 | 1988-11-29 | Morton Thiokol, Inc. | Apparatus for the production of sodium hydrosulfite |
CA1340248C (en) * | 1989-01-05 | 1998-12-15 | Morton International, Inc. | High yield sodium hydrosulfite generation |
US5094833A (en) * | 1989-01-05 | 1992-03-10 | Morton International, Inc. | High yield sodium hydrosulfite generation |
US5336479A (en) * | 1989-01-05 | 1994-08-09 | Morton International, Inc. | High yield sodium hydrosulfite generation |
US5516501A (en) * | 1992-05-05 | 1996-05-14 | International Dioxcide | Process for the preparation of aqueous solutions of bromine based disinfectants |
CN1319850C (zh) * | 2001-11-13 | 2007-06-06 | 蒙哥马利化学品有限责任公司 | 产生氢的含水燃料和提供能量的方法 |
FI20030928A (fi) * | 2003-06-19 | 2004-12-20 | Kvaerner Power Oy | Menetelmä mekaanisen massan valkaisussa käytettävän natriumditioniitin valmistamiseksi |
EP3288892B1 (de) * | 2015-04-29 | 2020-09-02 | Basf Se | Stabilisierung von natriumdithionit mit diversen additiven |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA598761A (en) * | 1960-05-24 | Avesta Jernverks Aktiebolag | Methods and apparatus for the preparation of bisulfite solutions | |
US719720A (en) * | 1899-12-20 | 1903-02-03 | Basf Ag | Hydrosulfite for reducing indigo. |
GB469724A (en) * | 1936-03-03 | 1937-07-30 | Gustaf Haglund | Plant and process for the production of bisulphite solutions |
US2991152A (en) * | 1957-01-16 | 1961-07-04 | Goerrig | Method of preparing sodium and potassium hyposulphite |
US3226185A (en) * | 1961-11-09 | 1965-12-28 | Ethyl Corp | Method of preparing an alkali metal dithionite |
US3216790A (en) * | 1962-03-22 | 1965-11-09 | Nat Distillers Chem Corp | Preparation of sodium hydrosulfite |
US3477815A (en) * | 1966-11-15 | 1969-11-11 | Wellman Lord Inc | Process for recovering sulfur dioxide from flue gas |
JPS4814316B1 (de) * | 1969-01-10 | 1973-05-07 | ||
US3542511A (en) * | 1969-01-27 | 1970-11-24 | Chemical Construction Corp | Removal of sulfur dioxide from waste gases |
US3917807A (en) * | 1969-10-30 | 1975-11-04 | Sumitomo Chemical Co | Method for producing anhydrous sodium dithionite |
US3826812A (en) * | 1971-10-22 | 1974-07-30 | Basic Inc | Treatment of flue gases and the like |
US3826818A (en) * | 1972-08-03 | 1974-07-30 | Pennwalt Corp | Method for making anhydrous alkali metal hydrosulfites |
US3933676A (en) * | 1974-04-08 | 1976-01-20 | Ventron Corporation | Stabilized aqueous solutions of sodium borohydride |
DE2442418B2 (de) * | 1974-09-05 | 1980-04-17 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von Natriumdithionit |
US4100098A (en) * | 1976-10-26 | 1978-07-11 | Olin Corporation | Stabilized solutions of sodium dithionite |
US4148684A (en) * | 1976-11-08 | 1979-04-10 | Mei Systems Inc. | Methods for recovery and recycling of chemicals from sodium sulfite and sodium bisulfite pulping operations |
EP0027369A1 (de) * | 1979-10-12 | 1981-04-22 | Thiokol Corporation | Stabile Ausgangslösung zur Herstellung von Hydrosulfit und ihre Verwendung beim Bleichen von Holzschliff, beim Aufhellen von Kaolinton und bei der Reduktion von Küpenfarbstoffen in ihre Leuko-Form |
US4283303A (en) * | 1980-06-05 | 1981-08-11 | Virginia Chemicals Inc. | Process for manufacture of stable sodium dithionite slurries |
US4379130A (en) * | 1981-09-21 | 1983-04-05 | Andersen 2000 Inc. | Process for regenerating scrubbing solutions |
SE446720B (sv) * | 1983-09-08 | 1986-10-06 | Stora Kopparbergs Bergslags Ab | Sett vid framstellning av for natriumditionitframstellning anvendbara kompositioner samt anvendningen derav |
DE3427297C1 (de) * | 1984-07-24 | 1986-04-10 | GEA Wiegand GmbH, 7505 Ettlingen | Verfahren zur Herstellung einer Natriumdithionitlösung |
-
1985
- 1985-05-07 US US06/731,296 patent/US4680136A/en not_active Expired - Lifetime
-
1986
- 1986-04-30 AT AT86850158T patent/ATE50750T1/de not_active IP Right Cessation
- 1986-04-30 DE DE8686850158T patent/DE3669302D1/de not_active Expired - Lifetime
- 1986-04-30 EP EP86850158A patent/EP0202210B1/de not_active Expired - Lifetime
- 1986-05-06 FI FI861881A patent/FI79826C/fi not_active IP Right Cessation
- 1986-05-06 NO NO861801A patent/NO168699C/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NO861801L (no) | 1986-11-10 |
EP0202210A3 (en) | 1987-08-12 |
NO168699B (no) | 1991-12-16 |
FI79826C (fi) | 1990-03-12 |
FI861881A0 (fi) | 1986-05-06 |
FI861881A (fi) | 1986-11-08 |
US4680136A (en) | 1987-07-14 |
EP0202210B1 (de) | 1990-03-07 |
ATE50750T1 (de) | 1990-03-15 |
EP0202210A2 (de) | 1986-11-20 |
DE3669302D1 (de) | 1990-04-12 |
FI79826B (fi) | 1989-11-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM1K | Lapsed by not paying the annual fees |