http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112358411-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D2257-2045 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D2257-70 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C231-24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C231-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J3-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C231-12 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D53-1456 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J3-002 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D53-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C233-43 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C231-24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C231-12 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C231-02 |
| filingDate | 2020-11-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2021-08-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2021-08-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-112358411-B |
| titleOfInvention | Process and device for continuously producing m-aminoacetanilide hydrochloride |
| abstract | The invention discloses a process and a system for continuously producing m-aminoacetanilide hydrochloride at high temperature and under pressure. The process comprises the following steps: mother liquor water, acetic acid, m-phenylenediamine and hydrogen chloride gas are continuously conveyed to a closed hypergravity reactor, materials in the hypergravity reactor are continuously discharged, part of the materials are returned to the hypergravity reactor for circulation after passing through a closed first heat exchanger, part of the materials enter a crystallization kettle and are treated by a separation device, m-aminoacetanilide hydrochloride finished products and mother liquor water are obtained, and the mother liquor water is collected and recycled. The system comprises a second heat exchanger, a closed hypergravity reactor, a closed first heat exchanger, a crystallization kettle, a separation device and a mother liquor water collection device which are connected in sequence; the second heat exchanger is used for preheating acetic acid and m-phenylenediamine; and a closed loop is formed between the hypergravity reactor and the first heat exchanger. |
| priorityDate | 2020-11-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 41.