国家/地区 中国（8） 世界知识产权组织（3） 日本（2） 美国（2）
IPC部 B（10） C（6）
IPC大类 B01（10） C02（3） C01（2）
IPC小类 B01D（10）
IPC B01D071/68（10）
发明人
公开年 2021（10）
申请年 2021（10）
专利权人

Nano-silver composite treatment agent useful for improving anti-pollution ability of membrane bioreactor membrane, comprises nano-silver material prepared form e.g. silver nitrate, L-ascorbic acid and polyvinylpyrrolidone, and hydrophilic polymer prepared form e.g. polysulfone and graphene oxide.

ZHU H, WANG K, XIA W, DONG P, LIU A, SUN X

Synthesis of graphene oxide used for manufacturing membrane, involves mixing sulfuric acid and phosphoric acid, adding graphite powder, potassium permanganate and hydrogen peroxide, cooling mixture, diluting mixture with hydrochloric acid solution, and centrifuging.

ALKHOUZAAM A A, QIBLAWEY H

Preparing MXene-reduced porous graphene oxide (r-HGO) composite membrane with high flux and high removal rate involves adding graphite to mixed solution of sodium nitrate and concentrated sulfuric acid, and stirring.

LIU X, SUN K, GUO S, LIU T

High salinity and high hardness ground water materialization removal by using e.g. pre-precipitation adjusting tank, flocculation sedimentation tank, no valve filter tank, reverse osmosis system, and electrodialysis system process.

LV L, XU J, XU H, YUE K, WU L

Composite membrane used for separating gas from gas mixture, comprises selective layer comprising polymeric matrix comprising amine polymer, graphene oxide nanofiller, and mobile carrier chosen from ionic liquid and amino acid salt, coated on support.

DENG L, JANAKIRAM S, ANSALONI L, DENG Y L, ANSARONI L

Composite nano-fiber filter screen, comprises a base layer compounded together, an intermediate layer and a surface layer, where the base layer is a polyethylene terephthalate (PET) base material, the middle layer is a graphene conductive layer, and the surface layer is a electret nano-fiber layer.

ZHENG J, YU H, GAO T

Gas separation membrane element used in gas manufacture, comprises central tube for accumulating permeated gas, and gas separation membrane spirally surrounded by tube and comprising porous support film having arithmetic-mean surface roughness and separation functional layer containing graphene.

TOKUYAMA T, IIZUKA R, YAMADA H

Preparation of reduced graphene oxide/ZIF-8 composite nanomaterial used as intermediate layer modified nanofiltration membrane involves preparing Polydiacetylene-reduced graphene oxide/ZIF-8 film, interfacial polymerizing, and heating.

LV Y, LIN L, YANG Y, CHENG L, PAN Y, CUI S, LIU S, DONG X, XU R, MA C

Preparing organic-inorganic hybrid separation membrane by mixing inorganic particles, film-forming polymer, solvent and water into uniform film casting solution, adjusting pH value of casting solution, and adding silane crosslinking agent, and immersing in water and converting into membrane.

FEI Z, YU J, FAN P, CHEN F, ZHONG M

Preparation of coaxial cable-type composite film for separating mixed gas, involves depositing separation layer using zeolite molecular sieve dispersion to obtain zeolite molecular sieve supported hollow fiber composite membrane, and depositing coating layer using graphene oxide dispersion.

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