GB1560688A - Process for preparaing concentrated solutions of hydrazinehydrate - Google Patents

Process for preparaing concentrated solutions of hydrazinehydrate Download PDF

Info

Publication number
GB1560688A
GB1560688A GB37413/76A GB3741376A GB1560688A GB 1560688 A GB1560688 A GB 1560688A GB 37413/76 A GB37413/76 A GB 37413/76A GB 3741376 A GB3741376 A GB 3741376A GB 1560688 A GB1560688 A GB 1560688A
Authority
GB
United Kingdom
Prior art keywords
column
process according
water
hydrazine hydrate
ketazine
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
Application number
GB37413/76A
Other languages
English (en)
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.)
Produits Chimiques Ugine Kuhlmann
Pechiney SA
Original Assignee
Produits Chimiques Ugine Kuhlmann
Ugine Kuhlmann SA
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 Produits Chimiques Ugine Kuhlmann, Ugine Kuhlmann SA filed Critical Produits Chimiques Ugine Kuhlmann
Publication of GB1560688A publication Critical patent/GB1560688A/en
Expired 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
GB37413/76A 1975-09-10 1976-09-09 Process for preparaing concentrated solutions of hydrazinehydrate Expired GB1560688A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7527699A FR2323635A1 (fr) 1975-09-10 1975-09-10 Procede de preparation de solutions concentrees d'hydrate d'hydrazine

Publications (1)

Publication Number Publication Date
GB1560688A true GB1560688A (en) 1980-02-06

Family

ID=9159810

Family Applications (1)

Application Number Title Priority Date Filing Date
GB37413/76A Expired GB1560688A (en) 1975-09-10 1976-09-09 Process for preparaing concentrated solutions of hydrazinehydrate

Country Status (14)

Country Link
US (1) US4725421A (https=)
JP (1) JPS5256100A (https=)
BE (1) BE845315A (https=)
CA (1) CA1091894A (https=)
CH (1) CH613915A5 (https=)
DE (1) DE2639010C2 (https=)
DK (1) DK150797C (https=)
ES (1) ES451454A1 (https=)
FR (1) FR2323635A1 (https=)
GB (1) GB1560688A (https=)
IE (1) IE43626B1 (https=)
IT (1) IT1078639B (https=)
LU (1) LU75744A1 (https=)
NL (1) NL176445C (https=)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2571711A1 (fr) * 1984-10-16 1986-04-18 Atochem Procede de fabrication d'hydrate d'hydrazine
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
FR2647444B1 (https=) * 1989-05-24 1991-07-26 Atochem
FR2655336B1 (fr) * 1989-12-04 1993-05-21 Atochem Procede de vaporisation d'une solution d'hydrate d'hydrazine.
JP3755543B2 (ja) * 1995-08-14 2006-03-15 三菱瓦斯化学株式会社 水加ヒドラジンの製造方法
DE69934544T2 (de) * 1998-05-12 2007-04-26 Mitsubishi Gas Chemical Co., Inc. Verfahren zur Herstellung von 1,2,4-Triazolen ausgehend von Ketazinen
FR2778660B1 (fr) * 1998-05-14 2000-06-23 Atochem Elf Sa Procede de preparation d'hydrate d'hydrazine
FR2787437B1 (fr) 1998-12-22 2001-02-09 Atochem Elf Sa Procede de fabrication d'hydrazine par hydrolyse d'une azine
FR2832142A1 (fr) * 2001-11-09 2003-05-16 Jean Pierre Schirmann Procede ameliore de fabrication d'hydrate d'hydrazine
US11225413B2 (en) 2016-10-03 2022-01-18 Council Of Scientific & Industrial Research Process for production of hydrazine hydrate
FR3096049B1 (fr) 2019-05-16 2021-12-17 Arkema France Procede ameliore de preparation d'hydrate d'hydrazine avec recyclage pyrazoline
FR3096048B1 (fr) 2019-05-16 2021-04-30 Arkema France Procede ameliore de preparation d'hydrate d'hydrazine avec recyclage oxime
FR3130815B1 (fr) 2021-12-21 2025-02-28 Arkema France Procede de preparation d'hydrate d'hydrazine en presence d’un agent anti-mousse
CN114684798B (zh) * 2022-05-23 2022-12-02 北京化工大学 一种酮连氮法生产水合肼系统及工艺
FR3137087A1 (fr) 2022-06-24 2023-12-29 Arkema France Procede de preparation d'hydrate d'hydrazine utilisant une colonne d’absorption
CN115924864B (zh) * 2022-12-23 2024-09-06 中国天辰工程有限公司 一种丁酮连氮水解制备水合肼的方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA626885A (en) * 1961-09-05 Rahlfs Erich Process for removing acetone from aqueous hydrazine solutions containing acetone
NL136390B (https=) * 1961-02-08
JPS4937715B1 (https=) * 1966-02-10 1974-10-11
GB1211547A (en) * 1967-10-12 1970-11-11 Fisons Ind Chemicals Ltd Hydrazine
FR2120517A5 (https=) * 1971-01-07 1972-08-18 Ugine Kuhlmann
JPS5137638A (ja) * 1974-09-26 1976-03-30 Copal Co Ltd Puroguramudenkishatsuta

Also Published As

Publication number Publication date
DE2639010C2 (de) 1984-04-26
IE43626L (en) 1977-03-10
US4725421A (en) 1988-02-16
LU75744A1 (https=) 1978-04-27
ES451454A1 (es) 1977-10-01
DK150797B (da) 1987-06-22
DK150797C (da) 1988-02-01
NL176445C (nl) 1985-04-16
IT1078639B (it) 1985-05-08
FR2323635B1 (https=) 1978-06-23
BE845315A (fr) 1977-02-21
NL176445B (nl) 1984-11-16
JPS5256100A (en) 1977-05-09
FR2323635A1 (fr) 1977-04-08
IE43626B1 (en) 1981-04-22
JPS5437120B2 (https=) 1979-11-13
CH613915A5 (https=) 1979-10-31
CA1091894A (fr) 1980-12-23
DE2639010A1 (de) 1977-03-31
NL7609994A (nl) 1977-03-14
DK402376A (da) 1977-03-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940909