http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-114539152-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d0168bfdc0675a5cfb9cb1e71662a289 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02W30-62 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07B2200-13 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D2009-0086 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D9-0045 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D223-10 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D9-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D223-10 |
| filingDate | 2020-11-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f5d17c622d2b388a29b374f0855e9b6b |
| publicationDate | 2022-05-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-114539152-A |
| titleOfInvention | Crystallization device and crystallization method of ε-caprolactam crude product |
| abstract | A crystallization device and a crystallization method of an ε-caprolactam crude product. The method includes the processes of crystallization, water extraction, hydrogenation, evaporation and dehydration, does not require solid-liquid separation, can produce high-quality ε-caprolactam products, and is especially suitable for the purification of crude ε-caprolactam obtained by gas-phase rearrangement. The caprolactam purification device provided by the invention comprises a crystallizer, a countercurrent scrubber, a phase separator, a hydrogenation reactor and a distillation device which are connected in sequence; the structure is simple, the continuous operation is possible, and it is suitable for the purification process of crude caprolactam. |
| priorityDate | 2020-11-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 35.