国家/地区 中国（39）
IPC部 B（39）
IPC大类 B01（39） C02（35） D01（3）
C07（2） C08（2）
IPC小类 B01D（39）
IPC B01D069/02（39）
发明人 JIANG Z（4） LI Y（4） LIU X（3）
WANG L（3） CHEN G（2） FU Y（2）
LI J（2） LI X（2） PAN F（2）
XIE H（2） XU C（2） XU J（2）
YU H（2） ZHANG R（2） ZHANG Y（2）
公开年 2021（28） 2022（10）
申请年 2021（39）
专利权人 SHANGHAI INS.（3） UNIV TIANJIN（3） HANGZHOU NAN.（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

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

Porous separation membrane with adsorption performance used in e.g. water pollution monitoring, comprises polymer layer and optional support layer, where surface and interior of polymer layer are three-dimensional fiber structures and adsorbent is dispersed in polymer layer.

YU H, ZHANG Y, PAN G, ZHU X, LIU 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 efficient seawater desalination membrane involves taking microporous membrane as surface membrane and polyamide-based membrane as intermediate layer.

LIU G, LI S, WANG L

Two-dimensional nano-island/graphene heterojunction self-assembled hydrophobic nanofiltration membrane used in water treatment e.g. seawater desalination treatment, prepared by growing two-dimensional nano-island material on the surface of graphene through catalytic reaction of oxygen groups.

ZHANG Q, LIU X, ZHANG L, XU Q, CUI X

Preparation of graphene oxide modified composite nano-filtration membrane used for treating heavy metal waste water, involves mixing graphene oxide dispersion liquid and nano-particle dispersion liquid, ultrasonically reacting, immersing membrane in dopamine solution, cleaning and drying.

WANG S, GUO X, LIU J, WANG J, ZHAO Y, JI Z, YUAN J, FEI L, ZHOU J, LI F

Preparing potassium ion exchange membrane comprises adding graphene and dispersant to the solvent, mixing liquid base polymer containing amide structure in the side chain with valinomycin, and casting the mixed dispersion into a membrane.

YAN P, ZHANG D, LU Y, MIN C, CHEN X

Polyethylene glycol terephthalate/graphene two-dimensional layered composite film with T-type channel structure useful in e.g. ion transmission and sieving on polarizable oil/water interface, where film has two-dimensional layered Emi channel and single-dimensional micrometer channel.

CHENG H, SHENG C, YANG H, WANG X, CHEN Y