国家/地区 中国（14） 世界知识产权组织（5） 美国（3） 巴西（2） 欧洲专利局（EPO）（2） 日本（2）
IPC部 B（22） C（12）
IPC大类 B01（22） C02（6） C01（3）
C08（2）
IPC小类 B01D（22）
IPC B01D071/68（22）
发明人 LIU S（2） LIU T（2） ZHANG H（2）
ZHAO L（2）
公开年 2021（22）
申请年 2021（10）  2020（8）  2019（4） 
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

Preparation of polymer-supported graphene membrane used in gas filter, involves providing graphene membrane on sacrificial support, providing solution of polymer in organic solvent, and covering graphene membrane with polymer solution.

AGRAWAL K V, BABU D J, VILLALOBOS L F

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

Preparing graphene-containing mixed film, comprises e.g. using strong oxidant to oxidize layered graphite powder to form layered graphene oxide with carbonyl, carboxyl and epoxy groups, and mixing Dimethylformamide and graphene oxide.

LIN C, LIU T, CHUANG Y, WEI H, HSU N

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