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
Application number
FR9410520A
Other languages
English (en)
Other versions
FR2709481A1 (fr
Inventor
Wolfgang Ohlendorf
Michael Batz
Hans-Heinrich Moretto
Peter Schmidt
Gerhard Jonas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Publication of FR2709481A1 publication Critical patent/FR2709481A1/fr
Application granted granted Critical
Publication of FR2709481B1 publication Critical patent/FR2709481B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
FR9410520A 1993-09-02 1994-09-01 Procédé pour l'élimination d'impuretés de l'hydrate d'hydrazine. Expired - Fee Related FR2709481B1 (fr)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2799631A (en) * 1952-10-07 1957-07-16 Fairmount Chem Process of recovering hydrazine
DE1049833B (de) * 1957-08-01 1959-02-05 Farbenfabriken Bayer Aktiengesellschaft, Leverkusen-Bayerwerk Verfahren zur Entfernung von Aceton aus acetonhaltigen wäßrigen Hydrazinlösungen
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
ATE48239T1 (de) * 1985-12-20 1989-12-15 Centre Nat Etd Spatiales Verfahren zur herstellung von wasserfreiem hydrazin aus hydrazin-hydrat.
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.

Also Published As

Publication number Publication date
FR2709481A1 (fr) 1995-03-10
CN1103104A (zh) 1995-05-31
DE4329599C1 (de) 1995-03-16
CN1036576C (zh) 1997-12-03
JPH0769610A (ja) 1995-03-14
JP3529113B2 (ja) 2004-05-24
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