http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-214485706-U
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_6c14e8946f2c83f457277ebe55473b65 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D3-42 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D3-32 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D3-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D305-12 |
| filingDate | 2021-01-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2021-10-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_222968994a780f72dfc9ad0494b9c8f5 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c2cb1c1fcf38aca0c93772cae503f403 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c58a55124d8d9de1b288b2058b9bcb7a http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_22993120d7a100dd21df2e9edc147432 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_58d18e01ebeda0ccaebb42623287de4f |
| publicationDate | 2021-10-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-214485706-U |
| titleOfInvention | Diketene rectifying tower |
| abstract | The utility model discloses a diketene rectification tower, which comprises a rectification tower main body and a newly added tower section, wherein the newly added tower section is arranged between two filler tower sections of the rectification tower main body, the top end and the bottom end in the newly added tower section are respectively provided with a set of collection redistributor, a filler section is arranged between the two sets of collection redistributors, and one side of the bottom of the newly added tower section is provided with a feed inlet; the utility model provides a diketene rectifying tower is through changing feed position (shifting up feed position) to increase theoretical plate number (tower festival number), can effectively reduce acetic anhydride content in the top of the tower product, and then improve product purity, under the prerequisite that keeps the conversion rate unchangeable basically, improve product concentration. |
| priorityDate | 2021-01-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 28.