DK0452781T3 - Fremgangsmåde til fremstilling af phosphorsyrling - Google Patents
Fremgangsmåde til fremstilling af phosphorsyrlingInfo
- Publication number
- DK0452781T3 DK0452781T3 DK91105632.3T DK91105632T DK0452781T3 DK 0452781 T3 DK0452781 T3 DK 0452781T3 DK 91105632 T DK91105632 T DK 91105632T DK 0452781 T3 DK0452781 T3 DK 0452781T3
- Authority
- DK
- Denmark
- Prior art keywords
- recycling
- mixture
- reaction product
- phosphorous
- iii
- 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
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/163—Phosphorous acid; Salts thereof
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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB909008406A GB9008406D0 (en) | 1990-04-12 | 1990-04-12 | Process for producing phosphorous acid |
Publications (1)
Publication Number | Publication Date |
---|---|
DK0452781T3 true DK0452781T3 (da) | 1994-04-05 |
Family
ID=10674393
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK91105632.3T DK0452781T3 (da) | 1990-04-12 | 1991-04-10 | Fremgangsmåde til fremstilling af phosphorsyrling |
Country Status (9)
Country | Link |
---|---|
US (1) | US5085846A (fr) |
EP (1) | EP0452781B1 (fr) |
JP (1) | JPH04224105A (fr) |
AT (1) | ATE102896T1 (fr) |
CA (1) | CA2040332A1 (fr) |
DE (1) | DE69101395T2 (fr) |
DK (1) | DK0452781T3 (fr) |
ES (1) | ES2053231T3 (fr) |
GB (2) | GB9008406D0 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5208000A (en) * | 1992-10-02 | 1993-05-04 | Monsanto Company | Hydrolysis of phosphorus trichloride |
WO1995013285A1 (fr) * | 1993-11-10 | 1995-05-18 | E.I. Du Pont De Nemours And Company | Procede de preparation d'anydides melanges d'acide phosphoreux/acide carboxylique et d'acide phosphoreux anhydre |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB665174A (en) * | 1948-09-25 | 1952-01-16 | Monsanto Chemicals | Improvements in or relating to methods of preparing phosphorous acid and salts thereof |
US2670274A (en) * | 1951-10-25 | 1954-02-23 | Monsanto Chemicals | Method of producing orthophosphoric acid |
US2684286A (en) * | 1951-11-26 | 1954-07-20 | Joseph L Krieger | Preparation of phosphorous acid |
NL278901A (fr) * | 1961-05-26 | |||
GB1401616A (en) * | 1971-07-20 | 1975-07-16 | Albright & Wilson | Manufacture of phosphorus acids |
GB1563994A (en) * | 1975-05-15 | 1980-04-02 | Albright & Wilson | Sulph(on)ation process and mixer |
-
1990
- 1990-04-12 GB GB909008406A patent/GB9008406D0/en active Pending
-
1991
- 1991-04-10 ES ES91105632T patent/ES2053231T3/es not_active Expired - Lifetime
- 1991-04-10 DK DK91105632.3T patent/DK0452781T3/da active
- 1991-04-10 AT AT91105632T patent/ATE102896T1/de not_active IP Right Cessation
- 1991-04-10 EP EP91105632A patent/EP0452781B1/fr not_active Expired - Lifetime
- 1991-04-10 DE DE69101395T patent/DE69101395T2/de not_active Expired - Fee Related
- 1991-04-10 GB GB9107547A patent/GB2242900A/en not_active Withdrawn
- 1991-04-11 US US07/685,460 patent/US5085846A/en not_active Expired - Fee Related
- 1991-04-12 JP JP3080244A patent/JPH04224105A/ja active Pending
- 1991-04-12 CA CA002040332A patent/CA2040332A1/fr not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
ES2053231T3 (es) | 1994-07-16 |
EP0452781B1 (fr) | 1994-03-16 |
GB9008406D0 (en) | 1990-06-13 |
GB9107547D0 (en) | 1991-05-29 |
CA2040332A1 (fr) | 1991-10-13 |
DE69101395D1 (de) | 1994-04-21 |
ATE102896T1 (de) | 1994-04-15 |
GB2242900A (en) | 1991-10-16 |
US5085846A (en) | 1992-02-04 |
DE69101395T2 (de) | 1994-08-04 |
EP0452781A1 (fr) | 1991-10-23 |
JPH04224105A (ja) | 1992-08-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3774461D1 (de) | Verfahren zur herstellung von phosphonsaeure enthaltenden polymeren und polymere daraus. | |
RU94046087A (ru) | Способ производства очищенной терефталевой кислоты и устройство инжекции водяного пара, используемое в способе производства очищенной терефталевой кислоты | |
MY118463A (en) | Two stage reactor for continuos three phase slurry hydrogenation and method of operation. | |
US2871097A (en) | Production of chlorine dioxide | |
ES2177828T3 (es) | Procedimiento para la separacion de productos de punto de ebullicion medio a partir de una mezcla constituida por productos de punto de ebullicion bajo, medio y elevado. | |
MX9703727A (es) | Preparacion de caprolactama. | |
EG15479A (en) | Process for the removal of urea,ammonia and carbon dioxide from dilute equeous solutions | |
ES450585A1 (es) | Procedimiento continuo para separar gases acidos. | |
ATE17111T1 (de) | Verfahren zur durchfuehrung von chemischen reaktionen unter beteiligung von atomarem wasserstoff. | |
EE200000696A (et) | Meetod pidevaks polüamiidimiseks ning nailon 6.6 vooltootmiseks | |
DK0452781T3 (da) | Fremgangsmåde til fremstilling af phosphorsyrling | |
ATE210669T1 (de) | Verfahren zur herstellung von n- phosphonomethyliminodiessigsäure | |
FR2756553B1 (fr) | Synthese du pentafluorure de phosphore par fluoration du trichlorure de phosphore | |
ES489824A1 (es) | Procedimiento para la obtencion de tiazolidin-2-tionas | |
SE8502873L (sv) | Sett att atervinna reaktionsverme | |
ES452939A1 (es) | Procedimiento continuo de fabricacion de acido fosforico porvia humeda. | |
ATE268321T1 (de) | Kontinuierliches isothermes verfahren zur herstellung von mononitrotoluolen in gegenwart vor phosphorsäure | |
JPS649950A (en) | Method for purifying acetic acid | |
ATE134638T1 (de) | Verfahren zur reingewinnung von propanphosphonsäureanhydrid | |
EP0275246A3 (fr) | Appareil pour la production de dioxyde de chlore | |
US3459647A (en) | Preparation of 1 - cyanobicyclo(1.1.0)butane and 1-cyanocyclobutene by photolysis of beta-cyanoprene | |
BESENBRUCH et al. | Thermochemical water splitting for hydrogen production[Annual Report, 1 Jan.- 31 Dec. 1979] | |
JPS51143588A (en) | A production process of gaseous hydrogen from water by electrolysis | |
JPS5722117A (en) | Purifying method of electrolytic brine | |
JPS51119398A (en) | A method for purifying and concentrating caustic soda and hydrochloric acid using a liquid phase thermosyphon process |