国家/地区 中国（5） 美国（3） 世界知识产权组织（2）
IPC部 C（9）
IPC大类 C01（9）
IPC小类 C01B（9）
IPC C02F001/44（9）
发明人
公开年 2021（9）
申请年 2020（6）  2021（3） 
专利权人

Large area graphene-based seawater desalination film comprises support layer and composite interlayer structural unit, where composite interlayer structural unit is sequentially provided with porous graphene layer, graphene oxide layer and porous graphene layer from bottom to top.

QING F, HOU Y, LI X

Preparing nickel black-graphene composite photothermal conversion film for seawater desalination and other water treatment directions, involves adding a certain amount of ammonium sulfate and nickel sulfate into the solvent.

YU J, LIU M, YUE D, SUN D

Preparation of graphene oxide-iron composite film for removing pollutants from wastewater, involves mixing ferrous ion salt with graphene oxide aqueous solution, and pouring obtained mixed solution to air extraction device.

CHEN W, LIN C

Modified graphene used in graphene composite filter membrane for seawater desalination, comprises graphene containing organic branched chain, and organic branched chain is connected to carbon skeleton using sulfur bond.

ZENG G, GONG D, SUN Y

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

Graphene composite film used for acoustic diaphragm or battery or water purifying diaphragm or nanoelectromechanical system, comprises reduced graphene oxide film and graphene film set on side surface of reduced graphene oxide film.

LIU K, ZHANG C, CHEN Y, WANG E

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

Preparing graphene porous membrane by thermally reducing graphene oxide slurry, thermally-reducing, dispersing HT-graphene oxide in solvent, adding hydrogen peroxide, purifying product, and dispersing FL-graphene oxide powder in solvent.

OU J, YU H, ZHOU H, CHENG Y, REN B, CHEN G, YAO H, YI Q, XIE H, CHEN K

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