JPS6154022B2 - - Google Patents
Info
- Publication number
- JPS6154022B2 JPS6154022B2 JP54051979A JP5197979A JPS6154022B2 JP S6154022 B2 JPS6154022 B2 JP S6154022B2 JP 54051979 A JP54051979 A JP 54051979A JP 5197979 A JP5197979 A JP 5197979A JP S6154022 B2 JPS6154022 B2 JP S6154022B2
- Authority
- JP
- Japan
- Prior art keywords
- acetonitrile
- column
- oxazole
- water
- weight
- 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
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 144
- ZCQWOFVYLHDMMC-UHFFFAOYSA-N Oxazole Chemical compound C1=COC=N1 ZCQWOFVYLHDMMC-UHFFFAOYSA-N 0.000 claims description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 20
- 238000004821 distillation Methods 0.000 claims description 16
- 239000002994 raw material Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 7
- 238000000895 extractive distillation Methods 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 10
- 239000012535 impurity Substances 0.000 description 8
- 238000009835 boiling Methods 0.000 description 7
- 238000011084 recovery Methods 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 5
- 229910021529 ammonia Inorganic materials 0.000 description 5
- 239000006227 byproduct Substances 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 description 2
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 2
- 229910017053 inorganic salt Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007700 distillative separation Methods 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5197979A JPS55143950A (en) | 1979-04-26 | 1979-04-26 | Purification of acetonitrile |
| US06/131,611 US4308108A (en) | 1979-03-28 | 1980-03-19 | Process for purification of crude acetonitrile |
| DE3050669A DE3050669C2 (pt) | 1979-03-28 | 1980-03-25 | |
| DE3050670A DE3050670C2 (pt) | 1979-03-28 | 1980-03-25 | |
| DE3050668A DE3050668C2 (pt) | 1979-03-28 | 1980-03-25 | |
| DE19803011391 DE3011391A1 (de) | 1979-03-28 | 1980-03-25 | Verfahren zur reinigung von rohem acetonitril |
| IT20915/80A IT1130079B (it) | 1979-03-28 | 1980-03-26 | Procedimento per depurare acetonitrile grezzo |
| US06/289,628 US4430162A (en) | 1979-03-28 | 1981-08-03 | Process for purification of crude acetonitrile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5197979A JPS55143950A (en) | 1979-04-26 | 1979-04-26 | Purification of acetonitrile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55143950A JPS55143950A (en) | 1980-11-10 |
| JPS6154022B2 true JPS6154022B2 (pt) | 1986-11-20 |
Family
ID=12901973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5197979A Granted JPS55143950A (en) | 1979-03-28 | 1979-04-26 | Purification of acetonitrile |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55143950A (pt) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2417862A (en) * | 1943-12-01 | 1947-03-25 | Us Vanadium Corp | Dehydration of acetonitrile by decantation and distillation |
| US3203975A (en) * | 1962-09-05 | 1965-08-31 | Universal Oil Prod Co | Purification of acetronitrile and propionitrile |
| US3281450A (en) * | 1963-09-27 | 1966-10-25 | Goodrich Co B F | Purification of acetonitrile |
-
1979
- 1979-04-26 JP JP5197979A patent/JPS55143950A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2417862A (en) * | 1943-12-01 | 1947-03-25 | Us Vanadium Corp | Dehydration of acetonitrile by decantation and distillation |
| US3203975A (en) * | 1962-09-05 | 1965-08-31 | Universal Oil Prod Co | Purification of acetronitrile and propionitrile |
| US3281450A (en) * | 1963-09-27 | 1966-10-25 | Goodrich Co B F | Purification of acetonitrile |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55143950A (en) | 1980-11-10 |
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