国家/地区 中国（29） 印度（4） 世界知识产权组织（2）
IPC部 C（36）
IPC大类 C02（36）
IPC小类 C02F（36） B01D（26） C01B（4）
IPC C02F001/44（36）
发明人 LIANG S（3） LIU G（3） WANG L（3）
ZHANG X（3） ZHANG Y（3） CHEN Z（2）
DU X（2） HU L（2） KE Y（2）
LIU X（2） QIU X（2） TAN H（2）
WANG J（2） WANG Y（2）
公开年 2023（36）
申请年 2022（19）  2023（10）  2021（7） 
专利权人 GUANGDONG ES.（2） UNIV SHANGHA.（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

Fabric-type seawater desalination water intake bag for fresh water treatment, has food-grade waterproof cloth and hydrophobic porous membrane which are sewn to form water-collecting inner bag of container for collecting fresh water, and sutures are glued with food-grade waterproofing agent.

ZHANG B, MA H

Graphene water purifier, comprises graphene filter layer installed on top end of box body, small molecular group water system connected with filter layer of graphene layer and intelligent cooling system connected with small molecular group water system pipeline.

LIU G

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