国家/地区 中国（42） 世界知识产权组织（9） 欧洲专利局（EPO）（6） 美国（6） 韩国（4） 加拿大（3） 日本（3） 巴西（2） 印度（2）
IPC部 B（51）
IPC大类 B01（51） C02（31） C07（8）
C01（7） C08（4） B60（2）
C10（2）
IPC小类 B01D（51）
IPC B01D069/12（51）
发明人 LAN Y（3） LI Y（3） PENG P（3）
WANG X（3） ZHANG J（3） CHEN Y（2）
DENG L（2） FEI F（2） GUO Y（2）
JIANG Z（2） LI J（2） LI S（2）
LIU J（2） LIU K（2） LIU M（2）
公开年 2021（34） 2022（15） 2023（2）
申请年 2021（51）
专利权人 UNIV SANMING（3） BEIJING INST.（2） G2O WATER TE.（2） UNIV TIANJIN（2）
UNIV TIANJIN.（2）

Preparing high-throughput anti-pollution polyvinylidene fluoride hybrid ultrafiltration membrane used in wastewater, involves adding polyvinylidene fluoride, first catalyst and potassium hydroxide ethanol solution in reaction vessel, stirring uniformly to form mixed solution, stirring, reacting.

CHANG N, YAN B, WANG H

Adding graphene derivatives in active layer and substrate layer in filtration membrane, involves adding predetermined quantity of graphene derivatives to predetermined quantity of organic solvent, and mixing graphene derivatives with organic solvent in predetermined ratio to form graphene dispersion.

KAUSHIK A

Method for preparing nanomaterial film loaded with microorganisms used in sewage deodorizing device used for deodorization of sewage, comprises e.g. mixing graphene and polyacrylonitrile, electrospinning, weaving, subjecting graphene-polyacrylonitrile-plant fiber film to hydrothermal carbonization.

CAI H, ZHU R, XIANG Y, YAO F, LI C, CAI C

Preparing ultra-hydrophilic-underwater ultra-oleophobic graphene hydrogel/stainless steel mesh composite oil-water separation membrane, comprises immersing stainless steel mesh in detergent water, absolute ethanol and deionized water, placing in oven for in-situ polymerization and freeze-drying.

DAI Z, NI H, LI R, TIAN N

Gas separation membrane useful for separating hydrogen comprises first layer including one dimensional carbon body set on porous support and second layer including metal-organic framework set on first layer.

KIM D W, CHOI E J

Composite used for separating component, comprises macroporous scaffold comprising pores and polymer matrix positioned within pores, comprising functional polymer particles and structural polymer.

KORNFIELD J A, FABER K T, DIALLO M, BATEMAN O, ARAI N

Ceramic nanofiltration membrane comprises graphene oxide and polyethyleneimine are alternately coated on surface of ceramic nanofiltration membrane, where graphene oxide and polyethyleneimine allow carboxyl group and amine group to form covalent bond.

KOOK H, CHA M, KIM S, LEE M, PARK C, PARK C H, LEEMINJOO, KIM S Y

Mop cleaning bucket for rinsing and de-drying clean water by circulating and filtering sewage, has water column for drawing water from water purification area to clean mop cloth to form sewage that flows to water outlet through inclined surface.

WU C

Two-sided nano filtration membrane with positive and negative electrical heterogeneity structure useful as magnesium-lithium separation membrane for seawater desalination, comprises base film and upper and lower nano filtration surfaces deposited and assembled at one side of base film.

YE Q, WANG R, ZHU X

Preparing composite film used in membrane water treatment e.g. microfiltration, involves providing graphene oxide doped electrolyte solution, immersing electropolymerized base film and applying positive potential to base film to initiate electropolymerization reaction.

ZHANG J, LIANG S