http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-108726757-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C02F2101-12 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C02F2101-101 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C02F2101-16 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C02F1-66 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C02F2301-08 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01D3-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01D5-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C02F9-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01C1-022 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C02F1-048 |
| classificationIPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C02F101-12 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C02F101-16 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C02F1-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01D3-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01D5-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01C1-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C02F9-10 |
| filingDate | 2017-04-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2021-10-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2021-10-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-108726757-B |
| titleOfInvention | Treatment method of catalyst production wastewater |
| abstract | The invention relates to the field of sewage treatment, and discloses a method for treating catalyst production wastewater, wherein the wastewater contains NH 4 + 、SO 4 2‑ 、Cl ‑ And Na + Introducing wastewater to be treated into each effect evaporator of a first multi-effect evaporation device for first evaporation to obtain first ammonia-containing steam and a first concentrated solution containing sodium chloride crystals, wherein the wastewater to be treated contains the catalyst production wastewater; 2) carrying out first solid-liquid separation on the first concentrated solution containing the sodium chloride crystals, and introducing a liquid phase obtained by the first solid-liquid separation into each effect evaporator of a second multi-effect evaporation device for second evaporation to obtain second concentrated solution containing second ammonia vapor and sodium sulfate crystals; 3) and carrying out second solid-liquid separation on the second concentrated solution containing the sodium sulfate crystals. The method can respectively recover the ammonium, the sodium sulfate and the sodium chloride in the wastewater, and furthest recycle resources in the wastewater. |
| priorityDate | 2017-04-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 50.