SG44024A1 - Process for the preparation and purification of a hydroxylammonium solution - Google Patents
Process for the preparation and purification of a hydroxylammonium solutionInfo
- Publication number
- SG44024A1 SG44024A1 SG1996009409A SG1996009409A SG44024A1 SG 44024 A1 SG44024 A1 SG 44024A1 SG 1996009409 A SG1996009409 A SG 1996009409A SG 1996009409 A SG1996009409 A SG 1996009409A SG 44024 A1 SG44024 A1 SG 44024A1
- Authority
- SG
- Singapore
- Prior art keywords
- purification
- preparation
- hydroxylammonium
- solution
- hydroxylammonium solution
- 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
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
- C01B21/14—Hydroxylamine; Salts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/147—Microfiltration
-
- 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
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
- C01B21/14—Hydroxylamine; Salts thereof
- C01B21/1472—Separation
-
- 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
- C01B21/1481—Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL9201176A NL9201176A (nl) | 1992-07-02 | 1992-07-02 | Werkwijze voor het bereiden en zuiveren van een hydroxylammoniumzoutoplossing. |
Publications (1)
Publication Number | Publication Date |
---|---|
SG44024A1 true SG44024A1 (en) | 1997-11-14 |
Family
ID=19860999
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG1996009409A SG44024A1 (en) | 1992-07-02 | 1993-06-28 | Process for the preparation and purification of a hydroxylammonium solution |
Country Status (10)
Country | Link |
---|---|
US (1) | US5362398A (es) |
EP (1) | EP0577213B1 (es) |
JP (1) | JP3481271B2 (es) |
KR (1) | KR100257629B1 (es) |
CN (1) | CN1033573C (es) |
BR (1) | BR9302734A (es) |
DE (1) | DE69316274T2 (es) |
NL (1) | NL9201176A (es) |
SG (1) | SG44024A1 (es) |
TW (1) | TW267994B (es) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1085559C (zh) * | 1998-12-16 | 2002-05-29 | 中国科学院兰州化学物理研究所 | 合成磷酸羟胺用催化剂 |
DE19935034A1 (de) * | 1999-07-26 | 2001-02-01 | Basf Ag | Verfahren zur Filtration eines wässrigen bei der Herstellung von Hydroxylamin anfallenden Reaktionsgemisches |
NL1013899C2 (nl) * | 1999-12-21 | 2001-06-25 | Dsm Nv | Werkwijze voor het bereiden en zuiveren van een hydroxylammoniumzoutoplossing. |
EP1249429A1 (en) * | 2001-04-09 | 2002-10-16 | Dsm N.V. | Process for size classifying ammonium sulphate crystals which are present in a suspension |
DE10136476A1 (de) * | 2001-07-27 | 2003-02-06 | Basf Ag | Verfahren zur Filtration eines wäßrigen, bei der Herstellung von Hydroxylamin anfallenden Reaktionsgemischs |
CN103182221B (zh) * | 2011-12-29 | 2017-03-01 | Cap Iii 有限公司 | 从无机工艺液体中分离固体催化剂颗粒的方法 |
CN103357217A (zh) * | 2012-03-31 | 2013-10-23 | 帝斯曼知识产权资产管理有限公司 | 清洗连续生产羟铵中使用的过滤器的方法 |
EP3337875A1 (en) | 2015-08-21 | 2018-06-27 | Exxonmobil Research And Engineering Company | Slurry hydroconversion catalysts |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3514254A (en) * | 1965-05-03 | 1970-05-26 | Stamicarbon | Process for preparing a solution containing hydroxylammonium salt |
CH440221A (de) * | 1966-04-22 | 1967-07-31 | Inventa Ag | Verfahren und Vorrichtung zur Entnahme der flüssigen Phase aus einer Suspension mittels kontinuierlicher Filtration |
US3940442A (en) * | 1969-12-06 | 1976-02-24 | Stamicarbon B.V. | Recycle process for the preparation and processing of a hydroxylammonium salt solution |
NL7412381A (nl) * | 1974-09-19 | 1976-03-23 | Stamicarbon | Afscheiding van katalysatoren uit een suspensie van deze deeltjes in een waterige hydroxyl- ammoniumzoutoplossing. |
AT339240B (de) * | 1974-10-16 | 1977-10-10 | Kuehtreiber F | Verfahren zur durchfuhrung eines keimvorganges bzw. zur forderung eines pflanzlichen wachstums sowie vorrichtung zur durchfuhrung dieses verfahrens |
NL7502968A (nl) * | 1975-03-13 | 1976-09-15 | Stamicarbon | Werkwijze voor het bereiden van edelmetaal- katalysatoren. |
NL7507912A (nl) * | 1975-07-03 | 1977-01-05 | Stamicarbon | Werkwijze voor de bereiding van een hydroxylamine- zout. |
DE2736906C2 (de) * | 1977-08-16 | 1979-10-31 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von Hydroxylammoniumsalzen |
NL7902291A (nl) * | 1979-03-23 | 1980-09-25 | Stamicarbon | Werkwijze voor de bereiding van een hydroxylaminezout en daarbij te gebruiken katalysator. |
DE3040631A1 (de) * | 1980-10-29 | 1982-05-27 | Merck Patent Gmbh, 6100 Darmstadt | Verfahren zur abtrennung von metallkatalysatoren und verwendung von membrantrennvorrichtungen |
US4851125A (en) * | 1988-04-11 | 1989-07-25 | Olin Corporation | Process for concentrating aqueous solutions of hydroxylammonium salts |
-
1992
- 1992-07-02 NL NL9201176A patent/NL9201176A/nl not_active Application Discontinuation
-
1993
- 1993-06-26 TW TW082105104A patent/TW267994B/zh not_active IP Right Cessation
- 1993-06-28 DE DE69316274T patent/DE69316274T2/de not_active Expired - Lifetime
- 1993-06-28 SG SG1996009409A patent/SG44024A1/en unknown
- 1993-06-28 EP EP93201874A patent/EP0577213B1/en not_active Expired - Lifetime
- 1993-07-01 US US08/084,171 patent/US5362398A/en not_active Expired - Lifetime
- 1993-07-01 BR BR9302734A patent/BR9302734A/pt not_active IP Right Cessation
- 1993-07-01 CN CN93107923A patent/CN1033573C/zh not_active Expired - Lifetime
- 1993-07-01 JP JP16348493A patent/JP3481271B2/ja not_active Expired - Lifetime
- 1993-07-02 KR KR1019930012350A patent/KR100257629B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPH06115929A (ja) | 1994-04-26 |
NL9201176A (nl) | 1994-02-01 |
DE69316274D1 (de) | 1998-02-19 |
US5362398A (en) | 1994-11-08 |
DE69316274T2 (de) | 1998-08-27 |
CN1033573C (zh) | 1996-12-18 |
CN1084136A (zh) | 1994-03-23 |
EP0577213A1 (en) | 1994-01-05 |
EP0577213B1 (en) | 1998-01-14 |
BR9302734A (pt) | 1994-03-01 |
KR100257629B1 (ko) | 2000-06-01 |
TW267994B (es) | 1996-01-11 |
KR940002166A (ko) | 1994-02-16 |
JP3481271B2 (ja) | 2003-12-22 |
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