http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-113651848-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_67163a3d91fb3a8c962606caab075c35 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07F7-2208 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F7-22 |
| filingDate | 2021-08-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a07212afd3941f90cdb983ce6bb06434 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_20ac3027323ef383a48d62b24e11e07f http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3040ba6b277b8a92f18ef13357872586 |
| publicationDate | 2021-11-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-113651848-A |
| titleOfInvention | A kind of method for reclaiming and processing organotin ester flocs |
| abstract | The invention relates to a method for recycling and processing organotin ester flocs, which is characterized by: (1) adding organotin ester floes into a reaction kettle, adding hydrochloric acid with a concentration of 13-18%, and controlling the organotin ester flocs The mass ratio with hydrochloric acid is 1:1-1.2, and the reaction is carried out at 55~65°C for 0.5h~1h; (2) dehydration under reduced pressure is carried out, the temperature is controlled at 80°C~120°C, and the pressure is ‑0.1~‑0.05Mpa, and distilled out The gas phase is condensed and recovered, and then the temperature is raised to 150 ° C ~ 200 ° C to continue distillation, until the recovered condensate is a colorless and transparent liquid, and the colorless and transparent liquid is recovered; (3) After the distillation is completed, residues are left on the bottom of the reactor. The dilute HCl aqueous solution recovered in the initial stage of condensation is added to the waste residue, heated and stirred, and after the waste residue is dissolved, it is released from the bottom kettle and sent to the sewage station for treatment. The advantages of the invention are as follows: the recovery efficiency of dibutyltin oxide is improved, DBTC is recovered in the form of solution, the problem of many impurities caused by agglomeration is avoided, the quality of recovered organotin is greatly improved, and its reactivity and use are improved. efficiency. |
| priorityDate | 2021-08-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 24.