SE374728B - - Google Patents
Info
- Publication number
- SE374728B SE374728B SE7103994A SE399471A SE374728B SE 374728 B SE374728 B SE 374728B SE 7103994 A SE7103994 A SE 7103994A SE 399471 A SE399471 A SE 399471A SE 374728 B SE374728 B SE 374728B
- Authority
- SE
- Sweden
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
- C01B21/14—Hydroxylamine; Salts thereof
- C01B21/1409—Preparation
- C01B21/1418—Preparation by catalytic reduction of nitrogen oxides or nitrates with hydrogen
-
- 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
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/90—Separation; Purification
-
- 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
- C01B25/18—Phosphoric acid
- C01B25/234—Purification; Stabilisation; Concentration
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7004350A NL7004350A (da) | 1970-03-26 | 1970-03-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE374728B true SE374728B (da) | 1975-03-17 |
Family
ID=19809687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7103994A SE374728B (da) | 1970-03-26 | 1971-03-26 |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3720755A (da) |
| JP (1) | JPS5130038B1 (da) |
| BE (1) | BE764756A (da) |
| CH (1) | CH571459A5 (da) |
| CS (1) | CS152496B2 (da) |
| DE (1) | DE2114806C3 (da) |
| ES (1) | ES389554A1 (da) |
| FR (1) | FR2085079A5 (da) |
| GB (1) | GB1303392A (da) |
| NL (1) | NL7004350A (da) |
| PL (1) | PL83136B1 (da) |
| SE (1) | SE374728B (da) |
| ZA (1) | ZA711835B (da) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2813755C3 (de) * | 1978-03-30 | 1982-03-25 | Kazachskij naučno-issledovatel'skij proektnyj institut fosfornoj promyšlennosti KazNiiGiprofosfor, Čimkent | Verfahren zur Reinigung der Orthophosphorsäure |
| DE3134847A1 (de) * | 1981-09-03 | 1983-03-17 | Hoechst Ag, 6000 Frankfurt | "verfahren zur gewinnung cadmium-freier rohphosphorsaeure" |
| JPS58125607A (ja) * | 1982-01-18 | 1983-07-26 | Toyo Soda Mfg Co Ltd | 湿式リン酸から有機物を除く方法 |
| US4816241A (en) * | 1982-02-16 | 1989-03-28 | J. R. Simplot Co. | Gaseous reduction of phosphoric acid |
| US6333411B1 (en) | 1998-12-24 | 2001-12-25 | Praxair Technology, Inc. | Method for production of hydroxylammonium phosphate in the synthesis of caprolactam |
| US6469163B1 (en) | 1998-12-24 | 2002-10-22 | Praxair Technology Inc. | Method for production of hydroxylamine sulfate in the conventional process for the synthesis of caprolactam |
| AU2001264408A1 (en) * | 2000-06-05 | 2001-12-17 | Dsm N.V. | Process for the production of cyclohexanone oxime |
| EP1318141A1 (en) * | 2001-12-04 | 2003-06-11 | Dsm Nv | Process for treating an aqueous medium containing phosphate, cyclohexanone and cyclohexanone oxime |
| MXPA04005414A (es) * | 2001-12-04 | 2004-10-11 | Dsm Ip Assets Bv | Procedimiento para el tratamiento de un medio acuoso que contiene ciclohexanona oxima y ciclohexanona. |
| TWI274041B (en) * | 2006-04-14 | 2007-02-21 | China Petrochemical Dev Corp | Method for manufacturing hydroxylamine |
| US8153092B2 (en) * | 2006-04-14 | 2012-04-10 | China Petrochemical Development Corporation | Method for manufacturing hydroxylamine |
| EP1964811B1 (en) * | 2007-02-28 | 2016-11-30 | China Petrochemical Development Corporation | Method for preparing hydroxylammonium phosphate |
| ATE519711T1 (de) * | 2007-04-05 | 2011-08-15 | China Petrochemical Dev Corp | Verfahren zur herstellung von hydroxylamin |
| GB201213266D0 (en) * | 2012-07-26 | 2012-09-05 | Univ Gent | Membranes, azeotropic & catalytic components |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US826089A (en) * | 1905-12-19 | 1906-07-17 | David T Day | Process of refining and purifying hydrocarbon oils. |
| US1597984A (en) * | 1923-09-13 | 1926-08-31 | Bour Harry E La | Method of concentrating and purification of phosphoric acid |
| US1562818A (en) * | 1925-05-05 | 1925-11-24 | Wolfes Otto | Process for the purification of phosphoric acid containing arsenic |
| US2478261A (en) * | 1946-04-02 | 1949-08-09 | Du Pont | Polhydric cyclic alcohols |
| US2628888A (en) * | 1950-11-08 | 1953-02-17 | Du Pont | Chemical process for the production of an acid salt of hydroxylamine |
| US3186793A (en) * | 1960-10-10 | 1965-06-01 | Internat Minerals & Chemicals | Clarification of acidic phosphatic solutions |
-
1970
- 1970-03-26 NL NL7004350A patent/NL7004350A/xx not_active Application Discontinuation
-
1971
- 1971-03-22 ZA ZA711835A patent/ZA711835B/xx unknown
- 1971-03-24 CH CH430871A patent/CH571459A5/xx not_active IP Right Cessation
- 1971-03-24 FR FR7110369A patent/FR2085079A5/fr not_active Expired
- 1971-03-24 BE BE764756A patent/BE764756A/xx unknown
- 1971-03-25 PL PL1971147128A patent/PL83136B1/pl unknown
- 1971-03-25 ES ES389554A patent/ES389554A1/es not_active Expired
- 1971-03-26 DE DE2114806A patent/DE2114806C3/de not_active Expired
- 1971-03-26 SE SE7103994A patent/SE374728B/xx unknown
- 1971-03-26 CS CS2221A patent/CS152496B2/cs unknown
- 1971-03-26 JP JP46017855A patent/JPS5130038B1/ja active Pending
- 1971-03-26 US US00128495A patent/US3720755A/en not_active Expired - Lifetime
- 1971-04-19 GB GB2472471*A patent/GB1303392A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2114806C3 (de) | 1981-02-19 |
| CS152496B2 (da) | 1973-12-19 |
| GB1303392A (da) | 1973-01-17 |
| NL7004350A (da) | 1971-09-28 |
| PL83136B1 (da) | 1975-12-31 |
| US3720755A (en) | 1973-03-13 |
| CH571459A5 (da) | 1976-01-15 |
| JPS5130038B1 (da) | 1976-08-28 |
| DE2114806B2 (de) | 1980-06-19 |
| FR2085079A5 (da) | 1971-12-17 |
| ZA711835B (en) | 1971-12-29 |
| ES389554A1 (es) | 1973-06-16 |
| BE764756A (fr) | 1971-09-24 |
| DE2114806A1 (de) | 1971-10-14 |