| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_a727a24c068cfb127609073fb59d7bd8 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C02F1-26
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C02F2101-345
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C02F1-285
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C02F1-58 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C37-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C37-009
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C37-82
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C37-74
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C02F9-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J20-267
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J20-28019 |
| classificationIPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C02F101-34 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C37-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C39-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J20-28
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J20-26
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C37-82
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C37-74
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C02F9-04 |
| filingDate |
2020-10-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2aada2cdd8acde0aa35237bc2100ae46 |
| publicationDate |
2021-01-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CN-112250547-A |
| titleOfInvention |
A kind of phenol recovery method of producing diafenthiuron containing potassium phenate wastewater |
| abstract |
The invention provides a phenol recovery method for producing diafenthiuron containing potassium phenate wastewater, which comprises the following steps: step S1: primary layering; step S2: primary water layer neutralization treatment; step S3: secondary layering: to step Add an organic solvent to the primary recovery solution in S2, and stand for stratification to form a secondary water layer, a secondary emulsification layer and a phenol-containing oil layer; Step S4: Recover phenol from the secondary water layer: to the secondary water layer in Step S3 Add the cross-linked polystyrene balls modified with ester groups, and then collect the cross-linked polystyrene balls modified with ester groups and elute with methanol to recover phenol; step S5: distillation; step S6: rectification: collect the distillate and put it into the rectification Rectification in the distillation column, collecting the rectified phenol. The invention provides a method for recovering phenol from wastewater containing potassium phenate, which is environmentally safe, has high recovery purity of phenol and saves production cost. |
| priorityDate |
2020-10-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |