FR2709481B1 - Procédé pour l'élimination d'impuretés de l'hydrate d'hydrazine. - Google Patents
Procédé pour l'élimination d'impuretés de l'hydrate d'hydrazine.Info
- Publication number
- FR2709481B1 FR2709481B1 FR9410520A FR9410520A FR2709481B1 FR 2709481 B1 FR2709481 B1 FR 2709481B1 FR 9410520 A FR9410520 A FR 9410520A FR 9410520 A FR9410520 A FR 9410520A FR 2709481 B1 FR2709481 B1 FR 2709481B1
- Authority
- FR
- France
- Prior art keywords
- impurities
- removal
- hydrazine hydrate
- hydrazine
- hydrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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
- C01B21/16—Hydrazine; Salts thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S203/00—Distillation: processes, separatory
- Y10S203/11—Batch distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4329599A DE4329599C1 (de) | 1993-09-02 | 1993-09-02 | Verfahren zur Entfernung von Verunreinigungen aus Hydrazinhydrat |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2709481A1 FR2709481A1 (fr) | 1995-03-10 |
FR2709481B1 true FR2709481B1 (fr) | 1997-06-13 |
Family
ID=6496639
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9410520A Expired - Fee Related FR2709481B1 (fr) | 1993-09-02 | 1994-09-01 | Procédé pour l'élimination d'impuretés de l'hydrate d'hydrazine. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5484511A (fr) |
JP (1) | JP3529113B2 (fr) |
CN (1) | CN1036576C (fr) |
DE (1) | DE4329599C1 (fr) |
FR (1) | FR2709481B1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2778660B1 (fr) * | 1998-05-14 | 2000-06-23 | Atochem Elf Sa | Procede de preparation d'hydrate d'hydrazine |
JP2009035467A (ja) * | 2007-08-06 | 2009-02-19 | Mitsubishi Gas Chem Co Inc | 金属微粉末製造に用いる水加ヒドラジンの製造方法 |
KR101601271B1 (ko) | 2009-07-20 | 2016-03-08 | 주식회사 엘지화학 | 발광소자 봉지용 조성물, 발광 다이오드 및 액정표시장치 |
KR101585270B1 (ko) | 2010-03-16 | 2016-01-13 | (주)엘지하우시스 | 점착 필름 및 터치패널 |
CN105347319B (zh) * | 2015-11-17 | 2017-09-26 | 宜宾海丰和锐有限公司 | 一种去除酮连氮法水合肼有机杂质的方法 |
CN109455683A (zh) * | 2018-11-23 | 2019-03-12 | 宜宾海丰和锐有限公司 | 一种纯化水合肼制备电子级水合肼的方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2799631A (en) * | 1952-10-07 | 1957-07-16 | Fairmount Chem | Process of recovering hydrazine |
NL230104A (fr) * | 1957-08-01 | |||
GB1060065A (en) * | 1963-08-20 | 1967-02-22 | Whiffen & Sons Ltd | Improvements in or relating to hydrazine hydrate |
US3458283A (en) * | 1966-05-26 | 1969-07-29 | Abcor Inc | Hydrazine purification |
US3652218A (en) * | 1969-12-02 | 1972-03-28 | Olin Corp | Low impurity hydrazine |
US3740436A (en) * | 1969-12-02 | 1973-06-19 | Olin Corp | Low impurity hydrazine |
FR2559472B1 (fr) * | 1984-02-14 | 1986-06-13 | Atochem | Procede de purification de solutions aqueuses d'hydrate d'hydrazine |
EP0226686B1 (fr) * | 1985-12-20 | 1989-11-29 | Centre National D'etudes Spatiales | Procédé de préparation d'hydrazine anhydre à partir d'hydrate d'hydrazine |
US4804442A (en) * | 1986-07-31 | 1989-02-14 | Olin Corporation | Ultrapure hydrazine production |
US5035775A (en) * | 1986-07-31 | 1991-07-30 | Olin Corporation | Ultrapure hydrazine production |
JPS63295408A (ja) * | 1987-05-28 | 1988-12-01 | Mitsubishi Gas Chem Co Inc | 水加ヒドラジン水溶液の精製方法 |
FR2655336B1 (fr) * | 1989-12-04 | 1993-05-21 | Atochem | Procede de vaporisation d'une solution d'hydrate d'hydrazine. |
-
1993
- 1993-09-02 DE DE4329599A patent/DE4329599C1/de not_active Expired - Lifetime
-
1994
- 1994-08-26 US US08/296,570 patent/US5484511A/en not_active Expired - Lifetime
- 1994-08-29 JP JP22609094A patent/JP3529113B2/ja not_active Expired - Fee Related
- 1994-09-01 FR FR9410520A patent/FR2709481B1/fr not_active Expired - Fee Related
- 1994-09-02 CN CN94115836A patent/CN1036576C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP3529113B2 (ja) | 2004-05-24 |
CN1036576C (zh) | 1997-12-03 |
CN1103104A (zh) | 1995-05-31 |
DE4329599C1 (de) | 1995-03-16 |
FR2709481A1 (fr) | 1995-03-10 |
JPH0769610A (ja) | 1995-03-14 |
US5484511A (en) | 1996-01-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |
Effective date: 20130531 |