PL71843B2 - - Google Patents
Download PDFInfo
- Publication number
- PL71843B2 PL71843B2 PL15147171A PL15147171A PL71843B2 PL 71843 B2 PL71843 B2 PL 71843B2 PL 15147171 A PL15147171 A PL 15147171A PL 15147171 A PL15147171 A PL 15147171A PL 71843 B2 PL71843 B2 PL 71843B2
- Authority
- PL
- Poland
- Prior art keywords
- caprolactam
- hydrogenation
- catalyst
- impurities
- temperature
- Prior art date
Links
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 claims description 41
- 238000000034 method Methods 0.000 claims description 26
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 239000003054 catalyst Substances 0.000 claims description 15
- 239000012535 impurity Substances 0.000 claims description 9
- 238000005984 hydrogenation reaction Methods 0.000 claims description 8
- 239000000243 solution Substances 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 229910003310 Ni-Al Inorganic materials 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 5
- 238000004821 distillation Methods 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 3
- 238000009903 catalytic hydrogenation reaction Methods 0.000 claims description 3
- 238000010494 dissociation reaction Methods 0.000 claims description 3
- 230000005593 dissociations Effects 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims description 2
- 244000201986 Cassia tora Species 0.000 claims 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims 1
- 210000004884 grey matter Anatomy 0.000 claims 1
- 229910052748 manganese Inorganic materials 0.000 claims 1
- 239000011572 manganese Substances 0.000 claims 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 claims 1
- NCAIGTHBQTXTLR-UHFFFAOYSA-N phentermine hydrochloride Chemical compound [Cl-].CC(C)([NH3+])CC1=CC=CC=C1 NCAIGTHBQTXTLR-UHFFFAOYSA-N 0.000 claims 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 5
- 238000000746 purification Methods 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- VEZUQRBDRNJBJY-UHFFFAOYSA-N cyclohexanone oxime Chemical compound ON=C1CCCCC1 VEZUQRBDRNJBJY-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000006237 Beckmann rearrangement reaction Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 239000007868 Raney catalyst Substances 0.000 description 2
- 229910000564 Raney nickel Inorganic materials 0.000 description 2
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 2
- 229960000583 acetic acid Drugs 0.000 description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 2
- 239000004327 boric acid Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- TYDSIOSLHQWFOU-UHFFFAOYSA-N 2-cyclohexylidenecyclohexan-1-one Chemical compound O=C1CCCCC1=C1CCCCC1 TYDSIOSLHQWFOU-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- -1 aliphatic amines Chemical class 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011221 initial treatment Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 235000015250 liver sausages Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- RCIBIGQXGCBBCT-UHFFFAOYSA-N phenyl isocyanide Chemical compound [C-]#[N+]C1=CC=CC=C1 RCIBIGQXGCBBCT-UHFFFAOYSA-N 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
Landscapes
- Other In-Based Heterocyclic Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL15147171A PL71843B2 (enrdf_load_stackoverflow) | 1971-11-10 | 1971-11-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL15147171A PL71843B2 (enrdf_load_stackoverflow) | 1971-11-10 | 1971-11-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL71843B2 true PL71843B2 (enrdf_load_stackoverflow) | 1974-06-29 |
Family
ID=19956186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL15147171A PL71843B2 (enrdf_load_stackoverflow) | 1971-11-10 | 1971-11-10 |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL71843B2 (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0641778A1 (en) * | 1993-08-20 | 1995-03-08 | Sumitomo Chemical Company, Limited | Process for purification of epsilon-caprolactam |
-
1971
- 1971-11-10 PL PL15147171A patent/PL71843B2/pl unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0641778A1 (en) * | 1993-08-20 | 1995-03-08 | Sumitomo Chemical Company, Limited | Process for purification of epsilon-caprolactam |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0912508B1 (de) | Verfahren zur herstellung von caprolactam aus 6-aminocapronitril | |
| KR100463477B1 (ko) | 락탐의 정제방법 | |
| DE69801154T2 (de) | Verfahren zur herstellung von caprolactam in abwesenheit von katalysatoren durch kontakt von 6-aminocapronsäurederivaten mit überhitztem dampf | |
| EP0284968A1 (de) | Verfahren zur Entfernung von Caprolactam und dessen Oligomeren aus solches enthaltendem Polyamidgranulat | |
| DE69909619T2 (de) | Verfahren zur herstellung eines aminonitrils und eines diamins | |
| US5440032A (en) | Method for purifying organic solution containing lactams | |
| SU1138019A3 (ru) | Способ получени @ -трифторметиланилина | |
| DE69618387T2 (de) | Verfahren zur Herstellung von Caprolactam aus Aminocapronitril | |
| JP2559903B2 (ja) | カプロラクタム水溶液のイオン交換樹脂精製方法 | |
| DE1493898B (de) | Verfahren zur Herstellung von omega, omega'-Diaminoalkanen | |
| PL71843B2 (enrdf_load_stackoverflow) | ||
| DE69605918T2 (de) | Salpetersäure-hydrolyse von polyamiden | |
| CA2057636A1 (en) | Process for the liquid-phase preparation of nitriles from aliphatic dicarboxylic acids | |
| EP1280768B1 (de) | Verfahren zur herstellung von caprolactam aus 6-aminocapronitril | |
| DE69108311T2 (de) | Verfahren zum Behandeln von Amiden. | |
| DE1695253C3 (de) | Verfahren zur gleichzeitigen Herstellung von Caprolactam und w-Dodecalactam | |
| KR100446372B1 (ko) | 6-아미노카프로아미드와 6-아미노카프로아미드 올리고머에서 ε-카프로락탐의 분리방법 | |
| US3755305A (en) | Process for the purification of caprolactam | |
| EP1565435B1 (de) | Verfahren zur reinigung von caprolactam | |
| DE1470365C3 (de) | Verfahren zur Reinigung von durch Beckmann'sche Umlagerung aus einem durch Photonltrosierung von Cycloalkan erhaltenen rohen Cycloalkanonoxim hergestelltem rohen Lactam | |
| JP2916953B2 (ja) | 高純度トリオキサンの精製方法 | |
| EP0189035A2 (de) | Verfahren zur Herstellung von Schiff'schen Basen | |
| EP0019341A1 (en) | Method for the preparation of an alkali metal benzoate together with benzyl alcohol | |
| US3879436A (en) | Treatment of adiponitrile | |
| DE10253095A1 (de) | Verfahren zur Reinigung von Caprolactam |