DE1568916B2 - Verfahren zur reinigung von mit geringen mengen methylvinylketon verunreinigten acrylnitril - Google Patents
Verfahren zur reinigung von mit geringen mengen methylvinylketon verunreinigten acrylnitrilInfo
- Publication number
- DE1568916B2 DE1568916B2 DE19661568916 DE1568916A DE1568916B2 DE 1568916 B2 DE1568916 B2 DE 1568916B2 DE 19661568916 DE19661568916 DE 19661568916 DE 1568916 A DE1568916 A DE 1568916A DE 1568916 B2 DE1568916 B2 DE 1568916B2
- Authority
- DE
- Germany
- Prior art keywords
- acrylonitrile
- amount
- methyl vinyl
- vinyl ketone
- column
- 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.)
- Granted
Links
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 title claims description 45
- FUSUHKVFWTUUBE-UHFFFAOYSA-N buten-2-one Chemical compound CC(=O)C=C FUSUHKVFWTUUBE-UHFFFAOYSA-N 0.000 title claims description 35
- 238000000034 method Methods 0.000 title claims description 18
- 238000004140 cleaning Methods 0.000 title claims description 9
- 238000004821 distillation Methods 0.000 claims description 20
- 239000003054 catalyst Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 9
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims description 8
- 230000002378 acidificating effect Effects 0.000 claims description 8
- 239000011541 reaction mixture Substances 0.000 claims description 7
- 150000007522 mineralic acids Chemical class 0.000 claims description 4
- 150000007524 organic acids Chemical class 0.000 claims description 4
- 230000003197 catalytic effect Effects 0.000 claims description 3
- 230000003472 neutralizing effect Effects 0.000 claims 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 10
- 239000000047 product Substances 0.000 description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 5
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- 125000001931 aliphatic group Chemical group 0.000 description 4
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 2
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- -1 methyl vinyl ketone contaminated acrylonitrile Chemical class 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 2
- 239000004358 Butane-1, 3-diol Substances 0.000 description 1
- VMQMZMRVKUZKQL-UHFFFAOYSA-N Cu+ Chemical class [Cu+] VMQMZMRVKUZKQL-UHFFFAOYSA-N 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 235000019437 butane-1,3-diol Nutrition 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/32—Separation; Purification; Stabilisation; Use of additives
- C07C253/34—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEK0059648 | 1966-07-02 | ||
| DEK0059648 | 1966-07-02 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE1568916A1 DE1568916A1 (de) | 1970-07-16 |
| DE1568916B2 true DE1568916B2 (de) | 1973-01-11 |
| DE1568916C DE1568916C (enrdf_load_stackoverflow) | 1973-08-02 |
Family
ID=7229249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19661568916 Granted DE1568916B2 (de) | 1966-07-02 | 1966-07-02 | Verfahren zur reinigung von mit geringen mengen methylvinylketon verunreinigten acrylnitril |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE1568916B2 (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102763503A (zh) * | 2012-07-13 | 2012-11-07 | 江伟 | 微耕机行走传动装置 |
-
1966
- 1966-07-02 DE DE19661568916 patent/DE1568916B2/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE1568916A1 (de) | 1970-07-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) |