国家/地区 中国（9） 美国（4） 欧洲专利局（EPO）（2） 韩国（2） 台湾（2） 世界知识产权组织（2）
IPC部 B（10）
IPC大类 B01（10） C02（8） C08（3）
IPC小类 B01D（10）
IPC B01D071/08（10）
发明人 WU C（2）
公开年 2016（3） 2021（3）
申请年 2021（3）  2013（2）  2016（2） 
专利权人

Mop cleaning bucket for rinsing and de-drying clean water by circulating and filtering sewage, has water column for drawing water from water purification area to clean mop cloth to form sewage that flows to water outlet through inclined surface.

WU C

Preparation of biamino chitosan-graphene oxide hybrid material for constructing plasma separation membrane , involves adding sodium hydroxide, and dispersing mono-tert-butoxycarbonyl-protected diamino chitosan derivative in methanol.

JIN W, CHU Z, XIE Y

Seawater desalination nanofiltration membrane comprises polyvinylidene fluoride, graphene chitosan composite nanoparticles, piperazine, and trimesoyl chloride.

WU S, LONG J, LI P, REN W

Three-dimensional printing technology for production of sewage treatment filter membranes involves establishing multi-porous gradient cylindrical model on three-dimensional Max software, and e.g. exporting stereolithography format.

FAN Z, WANG Z, HAN Z, ZHANG X, LIANG J

Preparation of metal ion/gum Arabic gel modified composite membrane collecting underwater oil involves preparing base film, dispersing gum Arabic into graphene oxide solution, and immersing into salt solution of metal ions.

ZHANG R, DAI J, XIE E, CHANG Z, TIAN S, GE W, YAN Y, ZHOU Z

Polyacrylonitrile/chitosan composite nanofiltration membrane used in spirally wound type membrane module for water treatment system, has polyacrylonitrile support and chitosan coating layer modified with graphene oxide.

BANO S, MAHMOOD A, KIM S, LEE K H, SAIRA B, ASIF M, SEONG J K, KEW H L

Chitosan-modified graphene oxide nanocomposite forward osmosis membrane comprises ultrafiltration support base membrane coated with film forming liquid containing chitosan-modified graphene oxide, chitosan and hydrophilic additive.

DU C, LI J, WU C, SUN K

Graphene filtering sheet comprises reduced graphene oxide which is dispersed in macromolecule to become a macromolecule composite sheet.

HUNG W, LIU W, CHIU Y, YANG Y, HU C, LEE K, LAI J, HUNG W S, LIU W J, CHIU Y J, YANG Y C, HU C C, LEE K R, LAI J Y, HONG W, QIU Y, HU Q, LI K

Filtering or solid-liquid separation membrane, has graphene compounds provided in matrix layer and dispersed in polymer in matrix layer, where polymer is formed by interfacial polymerization, and compounds increase rejection of matrix layer.

KRISHNA K M, BHATTACHARYYA A, DEVI R M, PHADKE M, KLISHINA K M, BATACHAYA A, DEVIE R M, PHADKE M A

Cyclodextrin modified graphene filter membrane for treating water pollution, is prepared by utilizing graphene oxide solution, cyclodextrin solution and ammonia water, adding hydrazine hydrate followed by mixing and drying.

LI H, ZHAN J