国家/地区 中国（21） 韩国（3） 美国（3） 澳大利亚（2） 巴西（2） 欧洲专利局（EPO）（2） 印度（2） 日本（2） 世界知识产权组织（2）
IPC部 B（22）
IPC大类 B01（22） C02（8）
IPC小类 B01D（22）
IPC B01D067/00（22）
发明人 LIU B（3） ZHANG H（3） ZHANG J（3）
LI J（2） LI W（2） LIU S（2）
MA L（2） REN G（2） SUN L（2）
WANG J（2） WANG S（2） XUN H（2）
YU D（2）
公开年 2021（22）
申请年 2021（15）  2020（7） 
专利权人 HUADIAN WATE.（2） REN G（2） WANHUA CHEM .（2）

Preparation of shaped hollow fiber ultrafiltration membrane used for treating coal chemical wastewater includes mixing organic solvent, polyvinylidene chloride resin, polymer pore forming agent, monolayer graphene oxide solution and additive to obtain casting solution.

WANG Y, RUI Y, LIU W, YANG S

Preparing membrane aerated biofilm rector hollow fiber composite membrane useful in membrane aerated biofilm rector sewage treatment, comprises placing substrate in solvent for pretreatment, mixing coating base material, catalyst, dispersant and reinforcing agent, and curing.

LI L, LI J

Composite separation membrane useful in membrane distillation, comprises graphene layer compounded on poly(vinylidene fluoride-hexafluoropropylene) nanofiber membrane containing carbon nanotubes.

MA J, MIAO L, ZHU Z, JIA G

Preparing multilayer polytetrafluoroethylene hollow fiber film comprises preparing polytetrafluoroethylene material, pressing into blank, extruding, stretching and sintering the hollow pipe, dipping the film in coating dipping liquid, and sintering at low temperature.

CHEN W

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

Preparing plasma separation membrane used in separation of blood cells, involves adding O-carboxymethyl chitosan solution to hydroxybenzotriazole, ethylene dichloride, N-tert-butoxycarbonyl-ethylenediamine solution, stirring, filtering.

JIN W, CHU Z, XIE Y

Lasting high anti-pollution performance hollow fiber ultra-filtration membrane used for water purifying and biological separation comprises graphene having specified quantity amount of antibacterial rate of Staphylococcus aureus.

LI J, CUI Z, LIU G, HU M

Method for preparing graphene oxide functional modified film, involves compounding casting film liquid on periphery of core liquid through casting film channel, and providing rinsing tank with rinsing solution.

ZHANG J, XU H, HUANG Y, LAN Q, ZHANG H

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

Preparing graphene oxide-polyvinylidene fluoride composite hollow fiber film used for sewage treatment and purification of tap water, involves pre-processing polyvinylidene fluoride film wire by using polyethylene imine to obtain film wire.

CHEN Y, ZHANG J, LI S, WEI J, MO H, XUE Y, MENG J, LIU M