DE1618144C - - Google Patents
Info
- Publication number
- DE1618144C DE1618144C DE19671618144 DE1618144A DE1618144C DE 1618144 C DE1618144 C DE 1618144C DE 19671618144 DE19671618144 DE 19671618144 DE 1618144 A DE1618144 A DE 1618144A DE 1618144 C DE1618144 C DE 1618144C
- Authority
- DE
- Germany
- Prior art keywords
- acrylonitrile
- oxazole
- water
- volume ratio
- feed
- 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
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 11
- ZCQWOFVYLHDMMC-UHFFFAOYSA-N Oxazole Chemical compound C1=COC=N1 ZCQWOFVYLHDMMC-UHFFFAOYSA-N 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 claims description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 229910021529 ammonia Inorganic materials 0.000 claims description 3
- 238000000895 extractive distillation Methods 0.000 claims description 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 3
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 1
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- 229920002239 polyacrylonitrile Polymers 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB19021/66A GB1131134A (en) | 1966-04-29 | 1966-04-29 | Improvements in or relating to the purification of acrylonitrile |
| GB3296266 | 1966-07-22 | ||
| GB3296266 | 1966-07-22 | ||
| DEB0092275 | 1967-04-27 | ||
| US84839869A | 1969-07-25 | 1969-07-25 | |
| GB1902166 | 2019-02-15 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE1618144A1 DE1618144A1 (de) | 1972-01-27 |
| DE1618144B2 DE1618144B2 (de) | 1973-01-04 |
| DE1618144C true DE1618144C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-07-26 |
Family
ID=27257694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1618144A Granted DE1618144B2 (de) | 1966-04-29 | 1967-04-27 | Verfahren zur Reinigung von Acrylnitril |
Country Status (6)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1493519A (fr) * | 1966-05-27 | 1967-09-01 | Electro Chimie Soc D | Perfectionnements à la purification de nitriles |
| US4177210A (en) * | 1978-07-05 | 1979-12-04 | The Dow Chemical Company | Hydration of acrylonitrile to acrylamide |
| US4208329A (en) | 1978-07-31 | 1980-06-17 | E. I. Du Pont De Nemours & Co. | Oxazole removed from acrylonitrile as oxazole sulfate |
| US4211722A (en) * | 1979-03-07 | 1980-07-08 | E. I. Du Pont De Nemours & Co. | Formaldehyde stabilization of acrylonitrile against color |
| US4474709A (en) * | 1982-06-28 | 1984-10-02 | E. I. Du Pont De Nemours And Company | Removal of oxazole from acetonitrile |
| US7211674B2 (en) * | 2003-01-07 | 2007-05-01 | Ineos Usa Llc | Process for the recovery of oxazole |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT494584A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1952-10-09 | 1900-01-01 | Distillers Co Yeast Ltd | |
| US3073753A (en) * | 1957-10-10 | 1963-01-15 | Distillers Co Yeast Ltd | Recovery of acrylonitrile |
| AT225689B (de) * | 1961-04-08 | 1963-02-11 | Chemie Linz Ag | Verfahren zur Gewinnung von acetonitrilfreiem Acrylnitril |
| CA676881A (en) * | 1961-05-31 | 1963-12-24 | Shell Oil Company | Production of lower aliphatic nitriles |
| US3287394A (en) * | 1964-05-04 | 1966-11-22 | Eastman Kodak Co | Catalytic synthesis of unsaturated nitriles |
| USB375303I5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1964-06-15 |
-
1966
- 1966-04-29 GB GB19021/66A patent/GB1131134A/en not_active Expired
-
1967
- 1967-04-14 SU SU1152772A patent/SU374820A3/ru active
- 1967-04-25 NL NL6705826A patent/NL6705826A/xx unknown
- 1967-04-27 DE DE1618144A patent/DE1618144B2/de active Granted
- 1967-04-28 BE BE697748D patent/BE697748A/xx unknown
-
1969
- 1969-07-25 US US848398A patent/US3524875A/en not_active Expired - Lifetime
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