JPS6315265B2 - - Google Patents
Info
- Publication number
- JPS6315265B2 JPS6315265B2 JP15421079A JP15421079A JPS6315265B2 JP S6315265 B2 JPS6315265 B2 JP S6315265B2 JP 15421079 A JP15421079 A JP 15421079A JP 15421079 A JP15421079 A JP 15421079A JP S6315265 B2 JPS6315265 B2 JP S6315265B2
- Authority
- JP
- Japan
- Prior art keywords
- cooling water
- tower
- reaction gas
- unsaturated nitrile
- quenching
- 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
- 239000000498 cooling water Substances 0.000 claims description 43
- 238000010791 quenching Methods 0.000 claims description 41
- 150000002825 nitriles Chemical class 0.000 claims description 38
- 230000000171 quenching effect Effects 0.000 claims description 37
- 239000012495 reaction gas Substances 0.000 claims description 37
- 238000010521 absorption reaction Methods 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 22
- 238000004821 distillation Methods 0.000 claims description 9
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 8
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 8
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 20
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 13
- 238000001816 cooling Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000000895 extractive distillation Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000002826 nitrites Chemical class 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000003809 water extraction Methods 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15421079A JPS5677249A (en) | 1979-11-30 | 1979-11-30 | Recovery of olefinic unsaturated nitrile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15421079A JPS5677249A (en) | 1979-11-30 | 1979-11-30 | Recovery of olefinic unsaturated nitrile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5677249A JPS5677249A (en) | 1981-06-25 |
| JPS6315265B2 true JPS6315265B2 (fr) | 1988-04-04 |
Family
ID=15579244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15421079A Granted JPS5677249A (en) | 1979-11-30 | 1979-11-30 | Recovery of olefinic unsaturated nitrile |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5677249A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6002040A (en) * | 1998-05-14 | 1999-12-14 | The Standard Oil Company | Reduced pressure drop in acrylonitrile absorber via direct contact spray heat exchange |
| JP6253958B2 (ja) * | 2013-11-19 | 2017-12-27 | 旭化成株式会社 | 不飽和ニトリルの製造方法 |
-
1979
- 1979-11-30 JP JP15421079A patent/JPS5677249A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5677249A (en) | 1981-06-25 |
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