DE1545616B2 - - Google Patents
Info
- Publication number
- DE1545616B2 DE1545616B2 DE19511545616 DE1545616A DE1545616B2 DE 1545616 B2 DE1545616 B2 DE 1545616B2 DE 19511545616 DE19511545616 DE 19511545616 DE 1545616 A DE1545616 A DE 1545616A DE 1545616 B2 DE1545616 B2 DE 1545616B2
- Authority
- DE
- Germany
- Prior art keywords
- lactams
- lactam
- water
- laurolactam
- treatment
- 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
- 150000003951 lactams Chemical class 0.000 claims description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 claims description 20
- 239000000243 solution Substances 0.000 claims description 13
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 9
- 238000004821 distillation Methods 0.000 claims description 7
- 238000000746 purification Methods 0.000 claims description 7
- 239000003513 alkali Substances 0.000 claims description 6
- 229910001854 alkali hydroxide Inorganic materials 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 239000000047 product Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- 239000008346 aqueous phase Substances 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000003960 organic solvent Substances 0.000 claims description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- 239000000460 chlorine Substances 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- -1 cyclododecane oxime Chemical class 0.000 claims description 3
- SCRFXJBEIINMIC-UHFFFAOYSA-N n-cyclododecylidenehydroxylamine Chemical compound ON=C1CCCCCCCCCCC1 SCRFXJBEIINMIC-UHFFFAOYSA-N 0.000 claims description 3
- 239000012266 salt solution Substances 0.000 claims description 3
- 239000006227 byproduct Substances 0.000 claims description 2
- 230000002829 reductive effect Effects 0.000 claims description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical group O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims 3
- 239000004952 Polyamide Substances 0.000 claims 3
- 230000002378 acidificating effect Effects 0.000 claims 3
- 239000000654 additive Substances 0.000 claims 3
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims 3
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims 3
- 229920002647 polyamide Polymers 0.000 claims 3
- 230000008707 rearrangement Effects 0.000 claims 3
- 150000003839 salts Chemical class 0.000 claims 3
- 239000003054 catalyst Substances 0.000 claims 2
- DDTBPAQBQHZRDW-UHFFFAOYSA-N cyclododecane Chemical compound C1CCCCCCCCCCC1 DDTBPAQBQHZRDW-UHFFFAOYSA-N 0.000 claims 2
- 230000001590 oxidative effect Effects 0.000 claims 2
- 238000003860 storage Methods 0.000 claims 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims 1
- 238000007792 addition Methods 0.000 claims 1
- 239000012670 alkaline solution Substances 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 239000002585 base Substances 0.000 claims 1
- 150000001735 carboxylic acids Chemical class 0.000 claims 1
- 230000015556 catabolic process Effects 0.000 claims 1
- 238000003776 cleavage reaction Methods 0.000 claims 1
- 125000004122 cyclic group Chemical group 0.000 claims 1
- 238000006731 degradation reaction Methods 0.000 claims 1
- 238000009826 distribution Methods 0.000 claims 1
- 230000037406 food intake Effects 0.000 claims 1
- 150000004820 halides Chemical class 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 238000005984 hydrogenation reaction Methods 0.000 claims 1
- 150000002500 ions Chemical class 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 229910001507 metal halide Inorganic materials 0.000 claims 1
- 150000005309 metal halides Chemical class 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 150000002923 oximes Chemical class 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 230000007017 scission Effects 0.000 claims 1
- 239000011780 sodium chloride Substances 0.000 claims 1
- 238000001228 spectrum Methods 0.000 claims 1
- 238000004383 yellowing Methods 0.000 claims 1
- 235000005074 zinc chloride Nutrition 0.000 claims 1
- 239000011592 zinc chloride Substances 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 36
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 15
- 229920000642 polymer Polymers 0.000 description 8
- 239000012071 phase Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
- 241000668842 Lepidosaphes gloverii Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- WNLRTRBMVRJNCN-UHFFFAOYSA-L adipate(2-) Chemical compound [O-]C(=O)CCCCC([O-])=O WNLRTRBMVRJNCN-UHFFFAOYSA-L 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- XLJKHNWPARRRJB-UHFFFAOYSA-N cobalt(2+) Chemical compound [Co+2] XLJKHNWPARRRJB-UHFFFAOYSA-N 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- VMPHSYLJUKZBJJ-UHFFFAOYSA-N lauric acid triglyceride Natural products CCCCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCCCC)COC(=O)CCCCCCCCCCC VMPHSYLJUKZBJJ-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000009183 running Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 150000003738 xylenes Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/16—Separation or purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Polyamides (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19511545616 DE1545616A1 (de) | 1951-01-28 | 1951-01-28 | Verfahren zur Reinigung von Laurinlactam |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19511545616 DE1545616A1 (de) | 1951-01-28 | 1951-01-28 | Verfahren zur Reinigung von Laurinlactam |
| DEB0083530 | 1965-09-01 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE1545616A1 DE1545616A1 (de) | 1969-09-04 |
| DE1545616B2 true DE1545616B2 (enrdf_load_stackoverflow) | 1974-04-18 |
| DE1545616C3 DE1545616C3 (enrdf_load_stackoverflow) | 1974-11-21 |
Family
ID=25752867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19511545616 Granted DE1545616A1 (de) | 1951-01-28 | 1951-01-28 | Verfahren zur Reinigung von Laurinlactam |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE1545616A1 (enrdf_load_stackoverflow) |
-
1951
- 1951-01-28 DE DE19511545616 patent/DE1545616A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE1545616A1 (de) | 1969-09-04 |
| DE1545616C3 (enrdf_load_stackoverflow) | 1974-11-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69915062T2 (de) | Verfahren zur reduzierung von carboxybenzaldehydisomeren in terephthal- oder isophthalsäure | |
| DE2423408A1 (de) | Verfahren zur herstellung von terephthalsaeure durch katalytische fluessigphasenoxydation von p-xylol | |
| DE2127851A1 (de) | Verfahren zur Herstellung von Hydrochinon | |
| DE69111410T3 (de) | Verfahren zur Reinigung von Carbonsäuren. | |
| DE60010753T2 (de) | Verfahren zur reinigung von lactamen | |
| DE2747758A1 (de) | Verfahren zur herstellung von phthaloyldichloriden von hoher reinheit | |
| DE2203945A1 (de) | Verfahren zur reinigung von caprolactam | |
| DE1545616C3 (enrdf_load_stackoverflow) | ||
| DE19546080A1 (de) | Verfahren zur Darstellung einer besonders reinen Monochloressigsäure | |
| DE3019872C2 (enrdf_load_stackoverflow) | ||
| DE1695253C3 (de) | Verfahren zur gleichzeitigen Herstellung von Caprolactam und w-Dodecalactam | |
| DE2148717B2 (de) | Verfahren zur reinigung von rohlactamen mit 6 bis 12 kohlenstoffatomen im ring | |
| DE2443341C3 (de) | Verfahren zur Reinigung von Rohcaprolactam | |
| DE2708388C2 (de) | Verfahren zur Herstellung von 4,4'- Dihydroxydiphenylsulfon | |
| DE2244172C3 (de) | Verfahren zur Herstellung von besonders reinen Tetrachlorbisphenolen | |
| DE2224505C3 (de) | Verfahren zur Reinigung von Caprolactam | |
| DE1695247A1 (de) | Verfahren zur Reinigung von Lactamen | |
| DE2460912C3 (de) | Verfahren zur Herstellung von 2-Chlorbutadien-(M) | |
| DE1470365C3 (de) | Verfahren zur Reinigung von durch Beckmann'sche Umlagerung aus einem durch Photonltrosierung von Cycloalkan erhaltenen rohen Cycloalkanonoxim hergestelltem rohen Lactam | |
| DE2646808C3 (de) | Verfahren zur Reinigung von im Zuge der Anthrachinonherstellung erhaltenem Phthalsäureanhydrid | |
| DE69118595T2 (de) | Verfahren zur Reinigung von 2-Chloropropionsäure | |
| DE2938163C2 (enrdf_load_stackoverflow) | ||
| DE2052167C3 (de) | Verfahren zur Herstellung des gereinigten Ammoniumsalzes der 11-Cyanundecansäure bzw. der reinen freien 11-Cyanundecansäure | |
| DE1911635C3 (de) | Verfahren zur Gewinnung von sehr reinem Trimellitsäureanhydrid | |
| EP0115299A1 (de) | Verfahren zur gleichzeitigen Gewinnung von 4-Hydroxydiphenyl und 4,4'-Dihydroxydiphenyl |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) |