http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-113083037-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02A20-131 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D67-0079 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C02F1-44 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D69-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D71-021 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D71-60 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D71-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D71-60 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D67-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D69-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C02F1-44 |
| filingDate | 2021-03-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-07-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2022-07-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-113083037-B |
| titleOfInvention | Preparation method of graphene oxide water treatment film with in situ generation of surface nanobubbles |
| abstract | The invention discloses a method for preparing a graphene oxide water treatment film capable of in-situ generation of surface nano-bubbles. An oxidative polymerization method is used to in-situ grow a polymer nano-array on the surface of graphene oxide to prepare a composite; the composite is dispersed in a solvent to obtain a composite. Dispersion liquid; vacuum filtration on the surface of the microfiltration membrane to form a film, after heat treatment, the hydrophobic polymer nanoarrays change from swelling to shrinkage, and the strong cohesion makes the nanosheets fold, thereby obtaining graphene oxide water treatment that can generate surface nanobubbles in situ membrane. The invention adopts vacuum filtration and heat treatment method to make the membrane, and the process is simple; the membrane is immersed in water, the hydrophobic zone can enrich the gas in the water on the membrane surface to form surface nano-bubbles, and the hydrophilic zone and the geometric pleated structure can keep the surface nano-bubbles stable In the presence of nanobubbles on the surface, the formation of surface nanobubbles changes the physical and chemical properties of the membrane pore wall, so that the solid-liquid interface is partially converted into a low-friction gas-liquid interface, which significantly reduces the fluid flow resistance and effectively improves the membrane permeability. |
| priorityDate | 2021-03-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 40.