国家/地区 中国（7） 美国（3） 世界知识产权组织（3）
IPC部 B（12）
IPC大类 B01（12） C02（11） C01（3）
C08（2）
IPC小类 B01D（12）
IPC B01D061/02（12）
发明人
公开年 2021（7） 2020（4）
申请年 2020（12）
专利权人

Graphene oxide titanium dioxide-dopamine polyetherimide nanofiltration membrane comprises organic ultrafiltration membrane support and functional layer prepared by ultrasonically mixing graphene oxide solution and titanium dioxide-dopamine aqueous solution, filtering to form membrane, and filtering.

LAN W, FANG F, HONG Y, CHEN 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

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

Nanoporous membrane used in filter, comprises two-dimensional material permeated by pores which are blocked by polymer derived from monomer and comprising population of pores having average pore diameter.

KIDAMBI P R, CHENG P

Flexible anti-fouling composite filter membrane comprises mixture of graphene oxide modified basalt fiber, plant nano cellulose, lignin adhesive and polyaspartic acid, which forms a layer of flexible anti-fouling composite fiber film.

LI S, LI L, GAO F

Multi-layered membrane useful for separating many ions or molecules in a fluid stream and in device for osmotic power generation, comprises a top layer, a bottom layer, and a spacer layer.

GARAJ S, SPINA M

Producing polyamide complex membrane using a sulfur-doped nano-carbon material comprises preparing carbon composition by homogeneously mixing a nano-carbon material with sulfur, heating carbon composition, homogenizing, and drying.

SONG P, KIM N, SUK M H, JUNG H W, KIM J, LEE J S

Membrane for treating feed water, comprises interfacially formed polyamide layer on microporous support film, and graphene oxide quantum dots attached to surface of polyamide layer having preset permeate flux and salt rejection performance.

SUN P B, LI J C, KOHLER L

Graphene oxide complex nanofiltration membrane modified by borate intercalation prepared by modifying graphene oxide using borate as intercalation molecule and connecting with hydrolyzed polypropylene cyanide membrane with polyethyleneimine.

YAN X, CHENG S, BAO R, WANG G, LI J

Self-supporting reduced graphene oxide nanofiltration membrane preparation uniformly coating polymer solution on flat plate, and then drying to obtain polymer substrate.

ZHU X, ZHENG J