国家/地区 中国（59） 美国（7） 世界知识产权组织（7） 欧洲专利局（EPO）（4） 巴西（3） 韩国（3） 印度（2） 日本（2）
IPC部 B（68）
IPC大类 B01（68）
IPC小类 B01D（68）
IPC B01D067/00（68）
发明人 ZHANG X（5） LI S（4） JIANG Z（3）
LI X（3） LIU X（3） LIU Y（3）
WANG X（3） WANG Y（3） XU J（3）
ZHANG H（3） ZHANG J（3） ZHANG R（3）
ZHANG Y（3） ZHOU Z（3） CHEN G（2）
公开年 2021（68）
申请年 2021（38）  2020（25）  2019（5） 
专利权人 UNIV TIANJIN（3） BEIJING INST.（2） CHINA PETROL.（2） HALLIBURTON .（2）
HANGZHOU NAN.（2） SHANGHAI ADV.（2） SHANGHAI INS.（2）

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

Large area graphene-based seawater desalination film comprises support layer and composite interlayer structural unit, where composite interlayer structural unit is sequentially provided with porous graphene layer, graphene oxide layer and porous graphene layer from bottom to top.

QING F, HOU Y, LI X

Preparing sericin doped graphene oxide membrane for forward osmosis by isolating graphene oxide flakes by centrifuging, collecting supernatant, pouring sericin solution on nylon support, pouring medium graphene oxide flake dispersion under vacuum pressure, heating, immersing in water and drying.

DEKA P, VERMA V K, SUBBIAH S, RAIDONGIA K, KEJRIWAL R

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

Membrane for pressure-assisted separation of oil and water used in drainage device and fuel tank, comprises at least partially crosslinked active layer arranged on portion(s) of porous substrate layer, and comprising superhydrophilic agent.

LIU K, FEI F, PUGH T

Ion-selective conduction composite membrane for extraction of organic compounds from water to be treated comprises inner layer disposed between two outer layers.

MOTTET B, LABORIE B, KECHADI M, BRUNO M, BENOIT L, MOHAMMED K

Preparing composite film for photocatalysis-photothermal film distillation comprises dissolving cerium nitrate and urea in distilled water, introducing polyvinylidene fluoride, and electrospunning spinning solution by electrospinning technology.

SHI J, HU W, HUANG Y, JU J, WANG C, LIU M, KANG W

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

Large-scale preparation of graphene oxide-tannic acid two-dimensional film used for e.g. nanofiltration of pollutants in water, involves preparing graphene oxide-tannic acid mixed solution, scraping graphene oxide-tannic acid mixed solution on base film, and immersing in metal ion solution.

ZHOU Z, WANG L, YE J, DAI J, ZHANG R