JPS6154023B2 - - Google Patents
Info
- Publication number
- JPS6154023B2 JPS6154023B2 JP54061288A JP6128879A JPS6154023B2 JP S6154023 B2 JPS6154023 B2 JP S6154023B2 JP 54061288 A JP54061288 A JP 54061288A JP 6128879 A JP6128879 A JP 6128879A JP S6154023 B2 JPS6154023 B2 JP S6154023B2
- Authority
- JP
- Japan
- Prior art keywords
- acetonitrile
- alkali
- water
- crude acetonitrile
- extractor
- 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 abstract description 168
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000003513 alkali Substances 0.000 claims abstract description 26
- 238000000746 purification Methods 0.000 claims abstract description 11
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Substances [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims abstract description 7
- 230000018044 dehydration Effects 0.000 claims abstract description 6
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 30
- 239000008346 aqueous phase Substances 0.000 claims description 17
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 abstract description 14
- 238000000926 separation method Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 abstract description 4
- 239000011259 mixed solution Substances 0.000 abstract 1
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 22
- 239000012071 phase Substances 0.000 description 13
- 239000000243 solution Substances 0.000 description 12
- 239000012535 impurity Substances 0.000 description 8
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 238000000605 extraction Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 5
- -1 for example Natural products 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011550 stock solution Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- NJYFRQQXXXRJHK-UHFFFAOYSA-N (4-aminophenyl) thiocyanate Chemical compound NC1=CC=C(SC#N)C=C1 NJYFRQQXXXRJHK-UHFFFAOYSA-N 0.000 description 1
- MWFMGBPGAXYFAR-UHFFFAOYSA-N 2-hydroxy-2-methylpropanenitrile Chemical compound CC(C)(O)C#N MWFMGBPGAXYFAR-UHFFFAOYSA-N 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000895 extractive distillation Methods 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 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
- 238000002156 mixing Methods 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- FVSKHRXBFJPNKK-UHFFFAOYSA-N propionitrile Chemical compound CCC#N FVSKHRXBFJPNKK-UHFFFAOYSA-N 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
- 238000011084 recovery Methods 0.000 description 1
- 238000001577 simple distillation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6128879A JPS55153757A (en) | 1979-05-18 | 1979-05-18 | Purification of crude acetonitrile by dehydration |
| US06/131,611 US4308108A (en) | 1979-03-28 | 1980-03-19 | Process for purification of crude acetonitrile |
| DE3050669A DE3050669C2 (ru) | 1979-03-28 | 1980-03-25 | |
| DE3050670A DE3050670C2 (ru) | 1979-03-28 | 1980-03-25 | |
| DE3050668A DE3050668C2 (ru) | 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 |
|---|---|---|---|
| JP6128879A JPS55153757A (en) | 1979-05-18 | 1979-05-18 | Purification of crude acetonitrile by dehydration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55153757A JPS55153757A (en) | 1980-11-29 |
| JPS6154023B2 true JPS6154023B2 (ru) | 1986-11-20 |
Family
ID=13166852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6128879A Granted JPS55153757A (en) | 1979-03-28 | 1979-05-18 | Purification of crude acetonitrile by dehydration |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55153757A (ru) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1882682B1 (en) * | 2005-05-10 | 2015-07-08 | Asahi Kasei Chemicals Corporation | High-purity acetonitrile and process for producing the same |
| WO2013146609A1 (ja) | 2012-03-26 | 2013-10-03 | 旭化成ケミカルズ株式会社 | アセトニトリルの精製方法 |
| IN2015DN01264A (ru) * | 2012-08-31 | 2015-07-03 | Asahi Kasei Chemicals Corp |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4881816A (ru) * | 1972-02-12 | 1973-11-01 | ||
| JPS5025527A (ru) * | 1973-07-09 | 1975-03-18 | ||
| JPS5132518A (ja) * | 1974-09-06 | 1976-03-19 | Mitsubishi Chem Ind | Asetonitorirunoseiseiho |
-
1979
- 1979-05-18 JP JP6128879A patent/JPS55153757A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4881816A (ru) * | 1972-02-12 | 1973-11-01 | ||
| JPS5025527A (ru) * | 1973-07-09 | 1975-03-18 | ||
| JPS5132518A (ja) * | 1974-09-06 | 1976-03-19 | Mitsubishi Chem Ind | Asetonitorirunoseiseiho |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55153757A (en) | 1980-11-29 |
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