国家/地区 中国（7）
IPC部 B（8） C（8）
IPC大类 B01（8） C02（8）
IPC小类 B01D（8）
IPC C02F001/44（8）
发明人 DU X（2） KE Y（2） LIU X（2）
QIU X（2） TAN H（2） WANG J（2）
ZHANG X（2） ZHANG Y（2）
公开年 2023（8）
申请年 2023（8）
专利权人 GUANGDONG ES.（2）

Metal-doped graphene nanofiltration membrane used in various applications such as water purification, wastewater treatment, comprises graphene nanoparticle layer deposited with metal, porous support layer embedded with metal-doped graphene nanoparticle, membrane support layer, and transverse layer.

PUNETHA V D, KALPETIYA S

Composite film used for selectively separating cation in water environment, comprises supporting layer and functional layer located on surface of supporting layer, where functional layer comprises seed layer, and metal-organic framework layer located on surface of seed layer.

LU C, HU C, CHEN Z, QU J

Composite nanofiltration membrane useful in treatment of high-salt wastewater containing dyes, comprises graphene oxide/phenolic resin nanofiltration membrane on surface of base film.

ZHANG X, ZHANG Y, QIU X, DU X, TAN H, WANG J, KE Y

Water treatment device based on visible light catalytic forward osmosis separation membrane, has e.g. raw water storage chamber with liquid inlet on side wall of first layer, light-transmitting quartz glass on upper end, and visible light lamp fixed by partition at center above glass.

LU Y, GUO J, SUN C, XIAO M

Graphene oxide composite membrane used for separating antibiotic waste water comprises dopamine-modified hollow fiber support e.g. polysulfone, polyethersulfone, polypropylene, polyacrylonitrile and polyvinyl chloride and crosslinked graphene separation layer embedded with manganese dioxide nanobelt.

WANG T, DUAN S, QU G, XU F, WANG C

Graphene oxide composite nano-filtration membrane used in treating dye-containing high-salt wastewater, or decolorization treatment of the dye-containing high-salt wastewater, comprises base film surface embedded with high molecular nano material of graphene oxide nanofiltration film.

ZHANG X, ZHANG Y, QIU X, DU X, TAN H, WANG J, KE Y

Preparation of aminophenol graphene oxide film for ensuring sustainable regeneration ultra-fast water channel by sunlight irradiation, involves obtaining graphene oxide solution, dispersing in aqueous solution, preparing aminophenol-formaldehyde resin precursor solution, stirring and irradiating.

HE Z, LI Y, LIU X, MA Y, YUE D, SHI G

Preparing carbon-based nanofiltration membrane for removing uranyl ions in aqueous solution, involves mixing inorganic strong acid solution and graphene oxide, performing thermal digestion, obtaining digested graphene oxide, and dispersing decomposed graphene oxide in water.

WANG L, YAO H, CAO L, NI S, SUN H, ZHU J, LIANG S, LIAO Y, LIU X, ZHOU F