ATE48239T1 - Verfahren zur herstellung von wasserfreiem hydrazin aus hydrazin-hydrat. - Google Patents
Verfahren zur herstellung von wasserfreiem hydrazin aus hydrazin-hydrat.Info
- Publication number
- ATE48239T1 ATE48239T1 AT85402578T AT85402578T ATE48239T1 AT E48239 T1 ATE48239 T1 AT E48239T1 AT 85402578 T AT85402578 T AT 85402578T AT 85402578 T AT85402578 T AT 85402578T AT E48239 T1 ATE48239 T1 AT E48239T1
- Authority
- AT
- Austria
- Prior art keywords
- tube
- sleeve
- hydrazine
- phase
- light
- Prior art date
Links
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 title abstract 8
- 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 abstract 3
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- 239000012071 phase Substances 0.000 abstract 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- 239000007791 liquid phase Substances 0.000 abstract 3
- 230000015572 biosynthetic process Effects 0.000 abstract 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 abstract 1
- 239000003729 cation exchange resin Substances 0.000 abstract 1
- 238000002425 crystallisation Methods 0.000 abstract 1
- 230000008025 crystallization Effects 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 150000002500 ions Chemical class 0.000 abstract 1
- 239000012263 liquid product Substances 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 238000011403 purification operation Methods 0.000 abstract 1
- 235000011121 sodium hydroxide Nutrition 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 238000007711 solidification Methods 0.000 abstract 1
- 230000008023 solidification Effects 0.000 abstract 1
- 238000005221 zone crystallization Methods 0.000 abstract 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP85402578A EP0226686B1 (de) | 1985-12-20 | 1985-12-20 | Verfahren zur Herstellung von wasserfreiem Hydrazin aus Hydrazin-Hydrat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE48239T1 true ATE48239T1 (de) | 1989-12-15 |
Family
ID=8194567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT85402578T ATE48239T1 (de) | 1985-12-20 | 1985-12-20 | Verfahren zur herstellung von wasserfreiem hydrazin aus hydrazin-hydrat. |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0226686B1 (de) |
| AT (1) | ATE48239T1 (de) |
| DE (1) | DE3574454D1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4329599C1 (de) * | 1993-09-02 | 1995-03-16 | Bayer Ag | Verfahren zur Entfernung von Verunreinigungen aus Hydrazinhydrat |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2690378A (en) * | 1948-10-15 | 1954-09-28 | Olin Ind Inc | Manufacture of hydrazine |
| DE1015804B (de) * | 1954-12-10 | 1957-09-19 | Hans Christoph Wolf Dipl Phys | Verfahren zum Reinigen von rohen oder schon vorgereinigten, unzersetzt schmelzbaren organischen Verbindungen, die mit den in ihnen noch enthaltenen Verunreinigungen keine Mischkristalle bilden |
| US3652218A (en) * | 1969-12-02 | 1972-03-28 | Olin Corp | Low impurity hydrazine |
-
1985
- 1985-12-20 AT AT85402578T patent/ATE48239T1/de not_active IP Right Cessation
- 1985-12-20 EP EP85402578A patent/EP0226686B1/de not_active Expired
- 1985-12-20 DE DE8585402578T patent/DE3574454D1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0226686B1 (de) | 1989-11-29 |
| DE3574454D1 (de) | 1990-01-04 |
| EP0226686A1 (de) | 1987-07-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |