DE3447527C2 - - Google Patents
Info
- Publication number
- DE3447527C2 DE3447527C2 DE19843447527 DE3447527A DE3447527C2 DE 3447527 C2 DE3447527 C2 DE 3447527C2 DE 19843447527 DE19843447527 DE 19843447527 DE 3447527 A DE3447527 A DE 3447527A DE 3447527 C2 DE3447527 C2 DE 3447527C2
- Authority
- DE
- Germany
- Prior art keywords
- column
- monochloroacetaldehyde
- hydrogen chloride
- water
- acetic acid
- 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
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 36
- QSKPIOLLBIHNAC-UHFFFAOYSA-N 2-chloro-acetaldehyde Chemical compound ClCC=O QSKPIOLLBIHNAC-UHFFFAOYSA-N 0.000 claims description 27
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 20
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims description 20
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 14
- 239000007864 aqueous solution Substances 0.000 claims description 9
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 8
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 7
- 239000000460 chlorine Substances 0.000 claims description 7
- 229910052801 chlorine Inorganic materials 0.000 claims description 7
- 238000004821 distillation Methods 0.000 claims description 6
- 239000000243 solution Substances 0.000 claims description 5
- 238000000746 purification Methods 0.000 claims 1
- 239000011541 reaction mixture Substances 0.000 description 12
- 239000006227 byproduct Substances 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 7
- 238000009835 boiling Methods 0.000 description 5
- 238000006386 neutralization reaction Methods 0.000 description 5
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- AUYHZFAGBOOPMD-UHFFFAOYSA-N [3-hydroxy-4-[2-methylpropyl-(4-nitrophenyl)sulfonylamino]-1-phenylbutan-2-yl]azanium;chloride Chemical compound Cl.C=1C=C([N+]([O-])=O)C=CC=1S(=O)(=O)N(CC(C)C)CC(O)C(N)CC1=CC=CC=C1 AUYHZFAGBOOPMD-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000006887 Ullmann reaction Methods 0.000 description 1
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- MLUCVPSAIODCQM-NSCUHMNNSA-N crotonaldehyde Chemical compound C\C=C\C=O MLUCVPSAIODCQM-NSCUHMNNSA-N 0.000 description 1
- MLUCVPSAIODCQM-UHFFFAOYSA-N crotonaldehyde Natural products CC=CC=O MLUCVPSAIODCQM-UHFFFAOYSA-N 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843447527 DE3447527A1 (de) | 1984-12-27 | 1984-12-27 | Verfahren zur kontinuierlichen reinigung von waessrigen monochloracetaldehydloesungen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843447527 DE3447527A1 (de) | 1984-12-27 | 1984-12-27 | Verfahren zur kontinuierlichen reinigung von waessrigen monochloracetaldehydloesungen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3447527A1 DE3447527A1 (de) | 1986-07-10 |
| DE3447527C2 true DE3447527C2 (en, 2012) | 1987-06-11 |
Family
ID=6253969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19843447527 Granted DE3447527A1 (de) | 1984-12-27 | 1984-12-27 | Verfahren zur kontinuierlichen reinigung von waessrigen monochloracetaldehydloesungen |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3447527A1 (en, 2012) |
-
1984
- 1984-12-27 DE DE19843447527 patent/DE3447527A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3447527A1 (de) | 1986-07-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8381 | Inventor (new situation) |
Free format text: KUENSTLE, GERHARD, DIPL.-CHEM. DR. DEINHAMMER, WOLFGANG, DIPL.-CHEM. DR. JUNG, HERBERT, 8263 BURGHAUSEN, DE |
|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |