国家/地区 中国（21） 印度（2） 世界知识产权组织（2）
IPC部 B（26） C（26）
IPC大类 B01（26） C02（26）
IPC小类 B01D（26）
IPC C02F001/44（26）
发明人 LIANG S（3） WANG L（3） ZHANG X（3）
ZHANG Y（3） CHEN Z（2） DU X（2）
HU L（2） KE Y（2） LIU G（2）
LIU X（2） QIU X（2） TAN H（2）
WANG J（2） WANG Y（2）
公开年 2023（26）
申请年 2022（13）  2023（8）  2021（5） 
专利权人 GUANGDONG ES.（2） VONTRON TECH.（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

Separation membrane useful as e.g. ultrapure water membrane, food and/or beverage processing membrane, comprises porous substrate layer and active layer comprising hydrophilic and superhydrophilic agents.

BRETHERTONLIU K, PUGH T, FEI F

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

Preparing light-driven self-cleaning composite filter membrane useful for removing pollutant in water, comprises adjusting pH of alcohol solution of titanium dioxide nanosheets to alkali, adding silane to hydrolyze, adding graphene oxide and applying on substrate.

ZHANG X, CHEN P, ZHANG Z, FU H, HE D

Preparing reverse osmosis membrane useful for desalination of boron sea water, comprises e.g. contacting base film with polyamine monomer solution, obtaining polyamide layer, heating, immersing in diethanolamine solution, immersing reverse in carboxy activator solution, coating and post-treating.

LIANG S, HU L, XIAO J, LIU G, YANG X

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

Lead ion selective adsorption polyacrylonitrile ultrafiltration membrane useful in field of lead ion wastewater treatment, comprises support layer and polyacrylonitrile separation layer (including nanoparticles surface-modified by phosphoramidate compound).

YU H, ZHANG Y, PAN G, LIU Y, ZHAO 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