http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-113737184-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01B7-01 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C23F1-46 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01G3-10 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C23F1-46 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01B7-01 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01G3-10 |
| filingDate | 2021-11-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-03-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2022-03-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-113737184-B |
| titleOfInvention | Copper-containing etching waste liquid recovery device and copper-containing etching waste liquid recovery method |
| abstract | The application particularly discloses a copper-containing etching waste liquid recovery device and a copper-containing etching waste liquid recovery method, wherein the copper-containing etching waste liquid recovery device comprises an evaporation crystallization mechanism, a powder recovery mechanism and a spraying recovery mechanism; the evaporative crystallization mechanism comprises a shell, a support column is arranged in the shell, a heating plate is rotatably connected to the support column, a crystallization spray header is arranged above the heating plate, a vacuum pump is further arranged in the shell, and the powder recovery mechanism comprises a scraper; the spraying recovery mechanism comprises a spraying recovery bin, and a recovery spray head is arranged in the spraying recovery bin. The method for recovering the copper-containing etching waste liquid comprises the following steps of S1 stock solution detection; s2 adjusting the concentration of copper ions in the waste liquid to be equal to that of sulfate ions by using sulfuric acid and copper hydroxide; s3 waste liquid is treated by a copper-containing etching waste liquid recovery device. The treatment method has the advantage of simplifying the treatment steps of the copper-containing waste liquid. |
| priorityDate | 2021-11-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 33.