国家/地区 中国（10）
IPC部 B（10）
IPC大类 B01（10） C02（4）
IPC小类 B01D（10）
IPC B01D061/14（10）
发明人 NI L（2） ZHANG S（2）
公开年 2020（6） 2019（3）
申请年 2019（10）
专利权人

Composite filtering structure for filter element, has first filter film connected with second filter film that is provided with first and second graphene micro-sheets, where first filter film includes first surface and second surface.

XIAO Y

Amino acid-metal complex bonded graphene oxide composite ultrafiltration membrane is prepared by chemically bonding amino acids and metal ions on surface of graphene oxide, and dispersing formed complex in polymer solution.

WANG B, SHU T, ZHOU F, GAO D

Preparing high-permeability polyvinylidene fluoride or perfluorosulfonic acid-graphene oxide ultrafiltration membrane involves coating casting film liquid mainly composed of perfluorosulfonic acid-graphene oxide nanocomposite.

YUAN H, LIU X, WANG C, ZHANG S, ZHANG L, LU J

Graphene composite photocatalytic ultrafiltration membrane used for removing difficult-to-degrade organic substances in water, comprises polysulfone ultrafiltration membrane prepared by blending with graphene oxide.

XU Y

Modified ultrafiltration membrane for resisting organic contaminants or bacteria, comprises polyvinylidene fluoride as matrix and cadmium sulfide/graphite phase-carbon nitride/reduced graphene oxide nano photocatalyst.

WANG Y, NI L

Device for treating wastewater based on graphene oxide quantum dot modified polysulfone ultrafiltration membrane, has water collection tank whose top end is fixed with water collection tank liquid inlet and silicone water pipe.

CHEN L, YANG R, JIN S, XU S, SHEN Y, ZHANG S, HUANG S, FANG Q, LUO Y, HE K, ZHANG Z

Preparing sulfonated graphene oxide-zinc oxide-PSF complex ultrafiltration membrane comprises e.g. adding sulfonated graphene oxide/ethanol solution to zinc acetate/ethanol solution, stirring, adding hexane, sealing and refrigerating.

LIU Y, LIU J, WU J, QIU H, NI L

Multilayer crosslinked graphene oxide useful for preparing reverse osmosis membrane, comprises graphene oxide layer crosslinked by using crosslinking agent to form nano-multilayer crosslinked graphene oxide.

GAO X, WANG X, SONG N, WEI Y, SU B, GAO C

Preparation of silver graphene oxide polyvinylidene fluoride hollow fiber ultrafiltration membrane comprises subjecting hollow fiber ultra-filtration membrane into casting solution spinning.

RUI Y, LIU W, YANG S

Method for preparing modified polyvinylidene fluoride ultrafiltration membrane, involves freeze-drying graphene oxide solution and baking powder in high furnace and dispersing mixture in organic solvent, followed by precipitating solution.

SHANG C, HUANG Y, SONG W