CA1157420A - Process and apparatus for carrying out the first stage of separation of constituents of a reaction mixture obtained during synthesis of asymmetric dimethylhydrazine by the raschig method - Google Patents
Process and apparatus for carrying out the first stage of separation of constituents of a reaction mixture obtained during synthesis of asymmetric dimethylhydrazine by the raschig methodInfo
- Publication number
- CA1157420A CA1157420A CA000378914A CA378914A CA1157420A CA 1157420 A CA1157420 A CA 1157420A CA 000378914 A CA000378914 A CA 000378914A CA 378914 A CA378914 A CA 378914A CA 1157420 A CA1157420 A CA 1157420A
- Authority
- CA
- Canada
- Prior art keywords
- column
- reaction mixture
- separation
- constituents
- stage
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 12
- RHUYHJGZWVXEHW-UHFFFAOYSA-N 1,1-Dimethyhydrazine Chemical compound CN(C)N RHUYHJGZWVXEHW-UHFFFAOYSA-N 0.000 title claims abstract description 10
- 238000000926 separation method Methods 0.000 title claims abstract description 8
- 239000000470 constituent Substances 0.000 title claims abstract description 7
- 239000011541 reaction mixture Substances 0.000 title claims abstract description 7
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 6
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 238000004821 distillation Methods 0.000 claims description 9
- 239000007792 gaseous phase Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 229910001868 water Inorganic materials 0.000 claims description 7
- 238000010992 reflux Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 abstract description 6
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 10
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- DIIIISSCIXVANO-UHFFFAOYSA-N 1,2-Dimethylhydrazine Chemical compound CNNC DIIIISSCIXVANO-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000011552 falling film Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- OAKJQQAXSVQMHS-UHFFFAOYSA-N hydrazine Substances NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- NDNVSJIXYFNRDR-UHFFFAOYSA-N n-methyl-n-(methylideneamino)methanamine Chemical compound CN(C)N=C NDNVSJIXYFNRDR-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- RBWSWDPRDBEWCR-RKJRWTFHSA-N sodium;(2r)-2-[(2r)-3,4-dihydroxy-5-oxo-2h-furan-2-yl]-2-hydroxyethanolate Chemical compound [Na+].[O-]C[C@@H](O)[C@H]1OC(=O)C(O)=C1O RBWSWDPRDBEWCR-RKJRWTFHSA-N 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C241/00—Preparation of compounds containing chains of nitrogen atoms singly-bound to each other, e.g. hydrazines, triazanes
- C07C241/02—Preparation of hydrazines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8012441 | 1980-06-04 | ||
| FR8012441A FR2483913A1 (fr) | 1980-06-04 | 1980-06-04 | Procede et appareillage pour realiser la premiere etape de separation de constituants d'un melange reactionnel obtenu lors de la synthese de la dimethylhydrazine asymetrique par le procede raschig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1157420A true CA1157420A (en) | 1983-11-22 |
Family
ID=9242712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000378914A Expired CA1157420A (en) | 1980-06-04 | 1981-06-03 | Process and apparatus for carrying out the first stage of separation of constituents of a reaction mixture obtained during synthesis of asymmetric dimethylhydrazine by the raschig method |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4387005A (enExample) |
| JP (1) | JPS5724346A (enExample) |
| CA (1) | CA1157420A (enExample) |
| CH (1) | CH646942A5 (enExample) |
| DE (1) | DE3121843A1 (enExample) |
| FR (1) | FR2483913A1 (enExample) |
| GB (1) | GB2077123B (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10353660B2 (en) | 2016-09-15 | 2019-07-16 | Panasonic Intellectual Property Management Co., Ltd. | Image display system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3098017A (en) * | 1959-10-12 | 1963-07-16 | Allied Chem | Process of separating unsymmetrical dimethylhydrazine from aqueous solutions containing same |
| FR2406626A1 (fr) * | 1977-10-24 | 1979-05-18 | Europ Propulsion | Procede perfectionne de preparation de la dimethylhydrazine assymetrique |
-
1980
- 1980-06-04 FR FR8012441A patent/FR2483913A1/fr active Granted
-
1981
- 1981-05-27 CH CH348081A patent/CH646942A5/fr not_active IP Right Cessation
- 1981-06-02 DE DE19813121843 patent/DE3121843A1/de not_active Withdrawn
- 1981-06-02 US US06/269,574 patent/US4387005A/en not_active Expired - Lifetime
- 1981-06-03 JP JP8451981A patent/JPS5724346A/ja active Pending
- 1981-06-03 CA CA000378914A patent/CA1157420A/en not_active Expired
- 1981-06-04 GB GB8117102A patent/GB2077123B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH646942A5 (fr) | 1984-12-28 |
| GB2077123B (en) | 1984-02-15 |
| DE3121843A1 (de) | 1982-02-11 |
| FR2483913A1 (fr) | 1981-12-11 |
| US4387005A (en) | 1983-06-07 |
| GB2077123A (en) | 1981-12-16 |
| FR2483913B1 (enExample) | 1984-02-03 |
| JPS5724346A (en) | 1982-02-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |