CS152496B2 - - Google Patents
Info
- Publication number
- CS152496B2 CS152496B2 CS2221A CS222171A CS152496B2 CS 152496 B2 CS152496 B2 CS 152496B2 CS 2221 A CS2221 A CS 2221A CS 222171 A CS222171 A CS 222171A CS 152496 B2 CS152496 B2 CS 152496B2
- Authority
- CS
- Czechoslovakia
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 (pt) | 1970-03-26 | 1970-03-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS152496B2 true CS152496B2 (pt) | 1973-12-19 |
Family
ID=19809687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS2221A CS152496B2 (pt) | 1970-03-26 | 1971-03-26 |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3720755A (pt) |
| JP (1) | JPS5130038B1 (pt) |
| BE (1) | BE764756A (pt) |
| CH (1) | CH571459A5 (pt) |
| CS (1) | CS152496B2 (pt) |
| DE (1) | DE2114806C3 (pt) |
| ES (1) | ES389554A1 (pt) |
| FR (1) | FR2085079A5 (pt) |
| GB (1) | GB1303392A (pt) |
| NL (1) | NL7004350A (pt) |
| PL (1) | PL83136B1 (pt) |
| SE (1) | SE374728B (pt) |
| ZA (1) | ZA711835B (pt) |
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 |
| ATE272612T1 (de) | 2000-06-05 | 2004-08-15 | Dsm Ip Assets Bv | Verfahren zur herstellung von cyclohexanonoxim |
| EP1318141A1 (en) * | 2001-12-04 | 2003-06-11 | Dsm Nv | Process for treating an aqueous medium containing phosphate, cyclohexanone and cyclohexanone oxime |
| JP4138659B2 (ja) * | 2001-12-04 | 2008-08-27 | ディーエスエム アイピー アセッツ ビー．ブイ． | シクロヘキサノンオキシムおよびシクロヘキサノンを含む水性媒体を処理する方法 |
| 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 |
| EP1977995B1 (en) * | 2007-04-05 | 2011-08-10 | China Petrochemical Development Corporation | Method for manufacturing hydroxylamine |
| 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 ES ES389554A patent/ES389554A1/es not_active Expired
- 1971-03-25 PL PL1971147128A patent/PL83136B1/pl unknown
- 1971-03-26 CS CS2221A patent/CS152496B2/cs unknown
- 1971-03-26 DE DE2114806A patent/DE2114806C3/de not_active Expired
- 1971-03-26 SE SE7103994A patent/SE374728B/xx unknown
- 1971-03-26 US US00128495A patent/US3720755A/en not_active Expired - Lifetime
- 1971-03-26 JP JP46017855A patent/JPS5130038B1/ja active Pending
- 1971-04-19 GB GB2472471*A patent/GB1303392A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ZA711835B (en) | 1971-12-29 |
| BE764756A (fr) | 1971-09-24 |
| DE2114806C3 (de) | 1981-02-19 |
| JPS5130038B1 (pt) | 1976-08-28 |
| GB1303392A (pt) | 1973-01-17 |
| US3720755A (en) | 1973-03-13 |
| FR2085079A5 (pt) | 1971-12-17 |
| ES389554A1 (es) | 1973-06-16 |
| PL83136B1 (pt) | 1975-12-31 |
| NL7004350A (pt) | 1971-09-28 |
| DE2114806B2 (de) | 1980-06-19 |
| DE2114806A1 (de) | 1971-10-14 |
| SE374728B (pt) | 1975-03-17 |
| CH571459A5 (pt) | 1976-01-15 |