国家/地区 中国（16） 美国（5） 世界知识产权组织（3）
IPC部 B（24） C（11）
IPC大类 B01（24） C02（8） C01（4）
C08（3）
IPC小类 B01D（24）
IPC B01D061/02（24）
发明人 CHEN J（2） CUI S（2） LI S（2）
公开年 2021（24）
申请年 2020（12）  2021（10）  2019（2） 
专利权人 NINGBO FOTIL.（2）

Removing radionuclides in solution by using carbon-based nanofiltration membrane by using carbon-based nanofiltration membrane to filter initial radioactive solution comprising radionuclides containing radioactive cobalt, radioactive nickel, and radioactive zinc.

LIAO Y, LU J, YAO H, LIU G, CAO L, XIA X, ZHOU F

Composite nano-fiber filter screen, comprises a base layer compounded together, an intermediate layer and a surface layer, where the base layer is a polyethylene terephthalate (PET) base material, the middle layer is a graphene conductive layer, and the surface layer is a electret nano-fiber layer.

ZHENG J, YU H, GAO T

Graphene oxide nano-filtration membrane for use in industrial waste water purification, has supporting substrate layer and graphene oxide layer such that thickness of graphene oxide layer is predetermined range.

DU X, KE Y, ZHAO G, ZHU H

Preparation method of nanofiltration membrane with high permeability and high selectivity, involves placing pre-treated nanofiltration base film into aqueous phase solution, taking out and drying to obtain nanofiltration membrane-high permeability and high selectivity.

ZHAO C, TANG W, HE D, LI Y

Preparing layer-by-layer covalent cross-linked graphene oxide film useful in treating water, comprises e.g. assembling polyacrylonitrile film and graphene oxide layer-by-layer using symmetrical diamine substance as cross-linking agent.

ZHAO X, LI H, QI H, TIAN Y

Preparation of reduced graphene oxide/ZIF-8 composite nanomaterial used as intermediate layer modified nanofiltration membrane involves preparing Polydiacetylene-reduced graphene oxide/ZIF-8 film, interfacial polymerizing, and heating.

LV Y, LIN L, YANG Y, CHENG L, PAN Y, CUI S, LIU S, DONG X, XU R, MA C

Manufacture of graphene oxide framework composite film for e.g. nanofiltration, involves mixing organometallic framework nanoparticles with functional groups into graphene oxide suspension solution, dispersing ultrasonically, heating to react to form suspension and performing pressure filtration.

TANG Y, SONG Y, BAO S

Extracting lithium from aqueous lithium source, comprises removing dissolved calcium ions and/or dissolved magnesium ions by nanofiltration, removing water by reverse osmosis, and electrochemically extracting dissolved lithium ions.

ALYOUSEF Y M, ALRASHEED R, AL JILIL S, HIPPAUF F, ABENDROTH T, ALTHUES H, KASKEL S

Self-supporting two-dimensional film useful in membrane separation, comprises film-forming material stacked to film, where film-forming material comprises graphene oxide or MXene.

LONG Q, LIU Z, CHEN J, WANG Y

Polyamide composite film comprises supporting layer, modified layer, and polyamide layer comprising polyamine, poly-acyl chloride and hollow poly-dopamine micro-sphere, where modified layer grown on supporting layer.

PENG B, PENG J, HE Y