IE43720B1 - Process for the preparation of concentrated solutions of hydrazine hydrate - Google Patents
Process for the preparation of concentrated solutions of hydrazine hydrateInfo
- Publication number
- IE43720B1 IE43720B1 IE2025/76A IE202576A IE43720B1 IE 43720 B1 IE43720 B1 IE 43720B1 IE 2025/76 A IE2025/76 A IE 2025/76A IE 202576 A IE202576 A IE 202576A IE 43720 B1 IE43720 B1 IE 43720B1
- Authority
- IE
- Ireland
- Prior art keywords
- hydrazine hydrate
- column
- azine
- acetone
- aqueous solution
- Prior art date
Links
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 title claims abstract description 18
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 4
- 238000000034 method Methods 0.000 title claims description 17
- 239000007864 aqueous solution Substances 0.000 claims abstract description 19
- PFLUPZGCTVGDLV-UHFFFAOYSA-N acetone azine Chemical compound CC(C)=NN=C(C)C PFLUPZGCTVGDLV-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000004821 distillation Methods 0.000 claims abstract description 10
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000243 solution Substances 0.000 claims description 10
- 230000007062 hydrolysis Effects 0.000 claims description 7
- 238000010992 reflux Methods 0.000 claims description 4
- 238000010924 continuous production Methods 0.000 claims description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 abstract description 6
- 238000011437 continuous method Methods 0.000 abstract 1
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 14
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 230000003301 hydrolyzing effect Effects 0.000 description 2
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 238000005903 acid hydrolysis reaction Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000012527 feed solution Substances 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 150000002429 hydrazines Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- JIQXKYSNGXUDJU-UHFFFAOYSA-N propan-2-ylidenehydrazine Chemical compound CC(C)=NN JIQXKYSNGXUDJU-UHFFFAOYSA-N 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7527698A FR2323634A1 (fr) | 1975-09-10 | 1975-09-10 | Solutions concentrees d'hydrate d'hydrazine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE43720L IE43720L (en) | 1977-03-10 |
| IE43720B1 true IE43720B1 (en) | 1981-05-06 |
Family
ID=9159809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE2025/76A IE43720B1 (en) | 1975-09-10 | 1976-09-10 | Process for the preparation of concentrated solutions of hydrazine hydrate |
Country Status (14)
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2571711A1 (fr) * | 1984-10-16 | 1986-04-18 | Atochem | Procede de fabrication d'hydrate d'hydrazine |
| FR2655336B1 (fr) * | 1989-12-04 | 1993-05-21 | Atochem | Procede de vaporisation d'une solution d'hydrate d'hydrazine. |
| 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 |
| WO2018065997A1 (en) | 2016-10-03 | 2018-04-12 | Council Of Scientific & Industrial Research | An improved 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 |
| CN112093783A (zh) * | 2020-09-30 | 2020-12-18 | 重庆腾泽化学有限公司 | 一种水合肼的纯化工艺 |
| FR3130815B1 (fr) | 2021-12-21 | 2025-02-28 | Arkema France | Procede de preparation d'hydrate d'hydrazine en presence d’un agent anti-mousse |
| FR3137087A1 (fr) | 2022-06-24 | 2023-12-29 | Arkema France | Procede de preparation d'hydrate d'hydrazine utilisant une colonne d’absorption |
Family Cites Families (5)
| 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 | |
| NL274425A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1961-02-08 | |||
| JPS4937715B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1966-02-10 | 1974-10-11 | ||
| GB1211547A (en) * | 1967-10-12 | 1970-11-11 | Fisons Ind Chemicals Ltd | Hydrazine |
| FR2120517A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1971-01-07 | 1972-08-18 | Ugine Kuhlmann |
-
1975
- 1975-09-10 FR FR7527698A patent/FR2323634A1/fr active Granted
-
1976
- 1976-08-19 BE BE1007563A patent/BE845314A/xx not_active IP Right Cessation
- 1976-08-30 DE DE2639011A patent/DE2639011C2/de not_active Expired
- 1976-09-06 CH CH1130776A patent/CH613914A5/xx not_active IP Right Cessation
- 1976-09-07 DK DK402276A patent/DK150796C/da active
- 1976-09-08 JP JP51106864A patent/JPS5256099A/ja active Granted
- 1976-09-08 LU LU75743A patent/LU75743A1/xx unknown
- 1976-09-09 IT IT69191/76A patent/IT1070291B/it active
- 1976-09-09 NL NLAANVRAGE7609995,A patent/NL176847C/xx active
- 1976-09-09 CA CA260,994A patent/CA1080436A/fr not_active Expired
- 1976-09-09 GB GB37411/76A patent/GB1560687A/en not_active Expired
- 1976-09-10 IE IE2025/76A patent/IE43720B1/en not_active IP Right Cessation
- 1976-09-10 ES ES451453A patent/ES451453A1/es not_active Expired
-
1985
- 1985-07-26 US US06/759,282 patent/US4724133A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4724133A (en) | 1988-02-09 |
| NL176847C (nl) | 1985-06-17 |
| JPS5423916B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1979-08-17 |
| BE845314A (fr) | 1977-02-21 |
| DK150796C (da) | 1988-02-01 |
| FR2323634A1 (fr) | 1977-04-08 |
| NL7609995A (nl) | 1977-03-14 |
| DE2639011C2 (de) | 1984-06-07 |
| CH613914A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1979-10-31 |
| CA1080436A (fr) | 1980-07-01 |
| LU75743A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-04-27 |
| GB1560687A (en) | 1980-02-06 |
| IE43720L (en) | 1977-03-10 |
| DE2639011A1 (de) | 1977-03-31 |
| IT1070291B (it) | 1985-03-29 |
| JPS5256099A (en) | 1977-05-09 |
| DK150796B (da) | 1987-06-22 |
| FR2323634B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1979-03-30 |
| DK402276A (da) | 1977-03-11 |
| ES451453A1 (es) | 1977-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4292292A (en) | Chlorine dioxide generation process | |
| JPH04231304A (ja) | 二酸化塩素の製造方法 | |
| JPS6256082B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| IE43720B1 (en) | Process for the preparation of concentrated solutions of hydrazine hydrate | |
| JPS60237030A (ja) | １，２，３‐トリクロル‐２‐メチループロンの製法 | |
| GB1489856A (en) | Process for the preparation of propylene oxide | |
| IE43626B1 (en) | Process of preparing concentrated solutions of hydrazine hydrate | |
| US2309457A (en) | Manufacture of chlorine dioxide | |
| US1379731A (en) | Manufacture of hydrobromic acid | |
| US4145401A (en) | High efficiency chlorine dioxide production at low acidity with methanol addition | |
| US4267346A (en) | Process for the preparation of 1,2,4-triazole | |
| US4036899A (en) | Synthesis of prenyl chloride | |
| US4387082A (en) | Removal of nitrous oxide from exit gases containing this compound during the production of hydroxylammonium salts | |
| GB1528129A (en) | Process for the production of isophorone | |
| US3002813A (en) | Method of preparing monopersulfates | |
| US2955020A (en) | Method of preparing monopersulfates | |
| US2798883A (en) | Preparation of acrylonitrile | |
| US3077383A (en) | Process for the production of hydrazine hydrate | |
| JPS5941924B2 (ja) | 塩化チオニルの精製法 | |
| US2396639A (en) | Preparation of ethyl chloride | |
| US3660030A (en) | Method of preparing nitrosyl chloride | |
| US3843711A (en) | Chemical process and compositions | |
| US3979432A (en) | Preparation of nitriles | |
| US3965168A (en) | 3-Carbamoyl-3-hydroxyglutaric acid and salts | |
| US3960941A (en) | 3-Hydroxy-3,4-dicarbamoylbutyric acid and salts |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Patent lapsed |